Layers:

Layer: E. Coli-Related NPDES Facilities (0)


Name: E. Coli-Related NPDES Facilities

Display Field: SiteName

Type: Feature Layer

Geometry Type: esriGeometryPoint

Has Views: true

Source Schema Changes Allowed: true

Description: This layer contains the locations, facility names and permit numbers for NPDES permits that may be sources of E. coli, including; industrial storm water, sanitary wastewater facilities, concentrated animal feeding operations, biosolids land-applications, combined sewer overflows (CSOs) and municipal storm water. Different types of permits have different colors and shapes to represent them on the mapper. Storm water can become contaminated by illicit connections, improper garbage disposal, contact with industrial materials/waste, and pet or wildlife waste. Non-industrial sanitary facilities are wastewater treatment plants (WWTPs) and stabilization lagoons (WWSLs), which treat sewage and have discharges to surface waters. These dischargers have permit conditions that they must follow, including monitoring and discharge limits, to ensure the E. coli water quality standard is not exceeded because of the discharge. Active or passive disinfection and other treatment is required, depending on the type of facility. Source: </span><a href="https://www.michigan.gov/egle/maps-data/mienviroportal" style target="_blank">MiEnviro Portal</a> NPDES permitted concentrated animal feeding operations (CAFOs) are facilities that contain livestock in a relatively confined area, at a number that is above a defined threshold. CAFOs have permit conditions designed to eliminate discharges and reduce contamination of surface water. Please be aware that some CAFOs have multiple facilities that are covered under their permit, but may not be represented on this map. CAFO land application areas are also not represented in this layer. EGLE strives for accuracy, but the facility location information is supplied by the permit applicant and may contain errors. To learn more, see the Statewide E. coli TMDL, Section 7 (NPDES Discharges) available on </span><a href="https://www.michigan.gov/egle/about/organization/water-resources/tmdls/statewide-e-coli-tmdl" style target="_blank">EGLE's E. Coli TMDL Webpage</a>.</div><div><br /></div><div><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border:none;"> <tbody><tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Field Name</b></p> </td> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Description</b></p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">SiteName</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Name of permitted site</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">PermitNumber</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">NPDES permit number</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">TypeOfNPDESPermit</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Type of permit includes Wastewater Treatment Plants (WWTPs), Industrial Stormwater Discharges, Stormwater discharges, Biosolids Facilities, Biosolid Sites, Concentrated Animal Feeding Operations (CAFO), Combined Sewer Overflows (CSO)</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; text-align:justify; text-justify:inter-ideograph; line-height:normal;">OtherPermitDetails</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Other information pertaining to the NPDES facility, site, and/or permit</p> </td> </tr> </tbody></table><br /></div>

Copyright Text: Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE). MiEnviro Database, https://www.michigan.gov/egle/maps-data/mienviroportal

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Spatial Reference: 102100 (3857)


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Object ID Field: OBJECTID

Unique ID Field:

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Global ID Field: GlobalID

Type ID Field: TypeOfNPDESPermit

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ID: Biosolids Facility
Name: Biosolids Facility
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Name: Biosolids Facility
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ID: Biosolids Site
Name: Biosolids Site
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ID: CAFO
Name: CAFO
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Name: CAFO
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ID: CSO/RTB
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ID: Industrial Storm Water Only
Name: Industrial Storm Water Only
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Name: Industrial Storm Water Only
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ID: Storm Water Coverage
Name: Storm Water Coverage
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Name: Storm Water Coverage
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ID: WWTP/WWSL
Name: WWTP/WWSL
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Last Edit Date: 6/9/2026 6:25:52 PM

Schema Last Edit Date: 10/24/2025 1:17:37 PM

Data Last Edit Date: 6/9/2026 6:25:52 PM

Layer: Groundwater Sanitary Discharge Permits (1)


Name: Groundwater Sanitary Discharge Permits

Display Field: SiteName

Type: Feature Layer

Geometry Type: esriGeometryPoint

Has Views: true

Source Schema Changes Allowed: true

Description: <div style="text-align:Left;"><div><div><p style="margin:0 0 0 0;"><span>Groundwater discharges are regulated by EGLE and treat sewage by separating solids from liquids through settling, skimming or sieving, and then generally apply the liquid to the ground. The liquid waste then percolates through the ground (similar to a septic system), allowing time and filtration from the soils to further treat the effluent. Groundwater discharges are not expected to be a source of E. coli to surface water if they are functioning properly. More detailed information, such as discharge monitoring reports and compliance history can be found on the MiWaters Site Explorer. Fields include permit number, permit category, type of facility, and facility name.</span></p><p></p><p style="margin:0 0 0 0;"><span><span>To learn more, see the Statewide E. coli TMDL, Section 7.4.D (Nonpoint Sources, Groundwater Discharges) available on the </span></span><a href="https://www.michigan.gov/EcoliTMDL" target="_blank">EGLE E. Coli webpage</a><span><span>.</span></span></p><p style="margin:0 0 0 0;"><span><span><br /></span></span></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border:none;"> <tbody><tr> <td style="width:233.75pt; border:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Field Name</b></p> </td> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Description</b></p> </td> </tr> <tr style="height:23.8pt;"> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt; height:23.8pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">SiteName</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt; height:23.8pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Name of permitted site</p> </td> </tr> <tr> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">PermitNumber</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Permit number for associated site</p> </td> </tr> <tr> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">PermitCategory</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Regulatory authorization associated with permit</p> </td> </tr> <tr> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Type</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Type of permit includes Sanitary Sewage, Slaughterhouses, Commercial Animal Care, and Egg Washing Wastewater</p> </td> </tr> <tr> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; text-align:justify; text-justify:inter-ideograph; line-height:normal;">OtherPermitDetails</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Other information pertaining to the NPDES facility, site, and/or permit</p> </td> </tr> </tbody></table><p><span></span></p></div></div></div>

Copyright Text: Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE). MiEnviro Database, https://www.michigan.gov/egle/maps-data/mienviroportal

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Layer: River E. coli Monitoring Sites (2)


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Description: <p>Historic surface water E. coli monitoring site locations and data summaries showing estimated compliance rates with the Michigan water quality standard. Data are compiled by the State of Michigan Department of Environment, Great Lakes and Energy (EGLE) from EGLE-Water Resources Division and publicly available sources (Water Quality Exchange [WQX]). At a minimum, this dataset is updated annually in December from EGLE's own data and WQX. Please note that it is not updated immediately as new results are available. Only monitoring events with a daily geometric mean of three or more samples are included in this dataset. Fields include the site ID, site description, number of sampling events, whether there was a 30-day water quality standard exceedance, sample collector (agency), and the number of water quality standard exceedances. Total Body Contact is represented as TBC, while Partial Body Contact is represented as PBC. Note that if a monitoring event exceeds both the TBC and the PBC, it will only be counted as a PBC exceedance numerically.</p><div>&nbsp;</div><div><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><figure><table style="border-collapse:collapse;" cellpadding="0" cellspacing="0" border="1"><tbody><tr><td style="border:1.0pt solid windowtext; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;"><strong>Field Name</strong></p></td><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:none; border-right-style:solid; border-top-style:solid; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;"><strong>Description</strong></p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">SiteID</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Site Identification Number</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">SiteDescription</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Description of site</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">DataCollector</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Organization that collected data including state agencies, local health departments and other organizations</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">NumberOfSamples</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Number of samples collected at a site</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">PBCExceedances</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Number of partial body contact (PBC) water quality standard exceedances</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">NumberOfSamplesMeetingDailyWQS</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Number of samples collected that meet daily E. Coli water quality standards</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">NumberOfTotalBodyContactExceeda</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Number of total body contact (TBC) water quality standard exceedances</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">NumberOf30DayExceedances</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">Number of samples that exceeded the geometric mean of E. coli samples collected over a 30-day period</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">YearMonitored</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">The year samples were collected</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">ReportUrl</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">URL for report containing site information (if available)</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">EPAHowsMyWaterwayLink</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">URL for corresponding How’s My Waterway Water Quality report&nbsp;</p></td></tr><tr><td style="border-bottom-style:solid; border-color:windowtext; border-left-style:solid; border-right-style:solid; border-top-style:none; border-width:1.0pt; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">EPADataDownload</p></td><td style="border-bottom:1.0pt solid windowtext; border-left-style:none; border-right:1.0pt solid windowtext; border-top-style:none; padding:0in 5.4pt; width:233.75pt;" width="312"><p style="line-height:normal; margin-bottom:0in;">URL to download data from a particular site</p></td></tr><tr><td>ExceedanceClass</td><td><p><span style="font-size:14px;">A qualitative classification assigned to help illustrate E. Coli Water Quality Attainment at individual sites.&nbsp;</span></p><p><span style="font-size:14px;">Meets all E. coli standards = less than 10% of samples exceed PBC AND Less than 10% exceed TBC AND <span>no </span>30-day standard exceedances.</span></p><p><span>Exceeds TBC Standard, meeting PBC Standard&nbsp;</span><span style="font-size:14px;"> = more than 10% of samples exceed TBC </span><span>OR there is a 30-day Standard Exceedance</span></p><p><span>Exceeds TBC Standard, occasionally exceeds PBC Standard&nbsp; </span><span style="font-size:14px;">= Between 10 and 70% of samples collected exceeded the PBC standard.</span></p><p><span>Exceeds TBC Standard, frequently exceeds PBC Standard</span><span style="font-size:14px;">= Greater than 70% of samples collected exceeded the PBC standard.</span></p></td></tr></tbody></table></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></figure></div><div>&nbsp;</div>

Copyright Text: Molly Rippke, Water Resources Division, Michigan Department of Environment, Great Lakes and Energy (EGLE). WQX derived data is attributed to the data collector as indicated in the "Collector" field. Please direct question or corrections to: Rippkem@michigan.gov. Original data may also be requested via email (please request by watershed, county or site ID).

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Description: <div style="text-align:Left;"><p><span>This dataset represents waters that are directly impacted by uncontrolled combined sewer systems (CSOs) in Michigan, and is based on information provided in the updating of the Integrated Report, using EGLEs annual CSO reports. </span>Original NHD Plus hydrography was altered to illustrate the reaches of rivers that may be impacted by CSOs. Updates will be conducted as further outfalls are removed or controlled, approximately every two years (2020, 2022, etc). All waters downstream of active uncontrolled outfalls are included, but flowlines passing through the Great Lakes are not included. For current information on the status of CSO facilities, outfalls and discharges, please visit www.mi.gov/sewagedischarge. Version: 2020.</p><p></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border:none;"> <tbody><tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Field Name</b></p> </td> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Description</b></p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">ReceivingWaters</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Surface waters that are receiving discharge from combined sewer overflows</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">OriginatingFacility<span style>                  </span></p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Permitted discharger for the upstream uncontrolled CSO discharge outfall</p> </td> </tr> </tbody></table><span></span><p></p></div>

Copyright Text: Molly Rippke in consultation from Charles Hill, P.E.. Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE). EGLEs annual CSO/SSO reports.

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Description: <div style="text-align:Left;"><p><span>Watershed councils and environmental organizations have a variety of missions and provide many services. Some are specific to one lake and focus only on very local issues, while some cover the entire watershed or state. EGLE provides this information as a service to the user, and the information has been gathered from a variety of public resources available on the internet. Only publicly available information has been provided (e.g. the organization contact e-mail address provided on a public website). Not all watershed organizations are represented here, but EGLE makes every effort to improve the accuracy of this information. If you would like an organization to be added or removed from this layer, or have updated contact information, please submit the information to rippkem@michigan.gov. </span></p><p><span>Notes: Subwatersheds at the 12-digit Hyrdologic Unit Code (HUC) level are the smallest polygons in this layer; therefore, very local agencies such as lake associations may appear to have interest in the entire subwatershed (which may not be the case). County-based organizations have boundaries that do not adhere to these subwatersheds. For subwatersheds that cross county boundaries, all applicable county-based organizations are listed. </span>This layer is updated on an 'as needed' basis.</p><p></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border:none;"> <tbody><tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Field Name</b></p> </td> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Description</b></p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">OrganizationName</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Name of watershed organization</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">OrganizationEmail</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Email address for organization</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">OrganizationWebsite</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Website for organization </p> </td> </tr> </tbody></table><br /><p></p></div>

Copyright Text: Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE). Compiled from publicly available information.

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Description: <div style="text-align:Left;"><div><div><p><span>This layer contains some, but not all, county and local solutions to pollution issues related to E. coli. County and minor civil division boundaries are the spatial basis of this layer, which also contains links to the local health department web site, status of local septage and septic system regulations, and Michigan Agriculture Environmental Assurance Program (MAEAP) verifications numbers by township. All information is updates about once per year.</span></p><p><span>Legal Disclosure: This layer is for educational purposes only and is not regulatory guidance. There is no requirement that EGLE be informed of all local ordinances and this layer should not be consulted prior to conducting construction of septic systems, sale of homes, or land application of septage. Always check with your county and/or municipality to verify local ordinances and follow those ordinances.</span></p><p><span>Information includes:</span></p><p><span>Septage Land-Application Prohibited: </span><span>State regulations allow local municipalities and counties to prohibit the land-application of septage. Domestic septage is defined as the solids that settle in an on-site septic system tank, which must be pumped and hauled away. Septage can be land applied at a site permitted by EGLE in accordance with state law to ensure pathogen reduction and so the nutrients are utilized by crops as a fertilizer. Septage is regulated by Michigan’s 2004 Public Act 381, which amended Part 117, Septage Waste Servicers, of the NREPA. Legal Disclosure: EGLE may not know of all local ordinances, so you may wish to check with your county and/or municipality to verify local ordinances. Updated: June, 2020. </span></p><p><span>Counties with Time-of-Sale/Transfer Ordinances (TOST): </span><span>Time-of-sale septic system ordinances (also known as TOST) may be enacted at the local level. These ordinances are beneficial because they provide a means for local health departments to inspect on-site septic systems during property transfer, instead of just at the time of repair or installation. </span></p><p><span>Michigan Agriculture Environmental Assurance Program (MAEAP): </span><span>MAEAP is a voluntary program established by Michigan law and administered by Michigan Department of Agriculture and Rural Development and local conservation districts. MAEAP verified farms have met a series of benchmarks demonstrating that their management practices are environmentally sound. MAEAP verifications offer benefits to water quality and to the farmer. The number of verifications provided in the map are township-wide. The number of MAEAP verifications for livestock systems and cropping/farmstead systems are listed. </span></p><p></p><table border="1" cellpadding="0" cellspacing="0" style="border-collapse:collapse; border:none;"> <tbody><tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Field Name</b></p> </td> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;"><b>Description</b></p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">HealthDepartmentLink</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Link to local health department</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">TownshipCity</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Township/City of health department</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">County</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">County of health department</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">MAEAPLivestock</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Michigan Agriculture Environmental Assurance Program verified number of livestock</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">IsSeptageProhibited</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Indicator of whether the land application of septage is prohibited</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">SepticTimeOfSaleOrTransferOrdin</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Septic time of sale or transfer ordinance</p> </td> </tr> <tr style> <td style="width:233.75pt; border:solid windowtext 1.0pt; border-top:none; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">MAEAPHomesteadCropping</p> </td> <td style="width:233.75pt; border-top:none; border-left:none; border-bottom:solid windowtext 1.0pt; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;" valign="top" width="312"> <p style="margin-bottom:0in; line-height:normal;">Michigan Agriculture Environmental Assurance Program verified number of homestead and cropping systems</p> </td> </tr> </tbody></table><span></span><p></p></div></div></div>

Copyright Text: Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE). Compiled from publicly available information.

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Last Edit Date: 10/24/2025 1:17:37 PM

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Layer: Subwatershed Summary Statistics (6)


Name: Subwatershed Summary Statistics

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Description: <div style="text-align:Left;"><p style="margin:0 0 0 0;"></p><p style="margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:.25in; text-indent:.25in;"><span style="font-family:&quot;Aptos&quot;,sans-serif;">This layer is intended to provide estimates of nonpoint sources on the subwatershed (HUC-12) level. These include estimates of livestock agriculture (such as livestock numbers and manure land-application area), lost wetland, natural riparian buffers, and the amount of land that is covered by impervious surfaces. Each nonpoint source indicator (or stressor) is given a category based on how the subwatershed compares with all other subwatersheds in the entire state (e.g. a subwatershed that is marked as &quot;high&quot; for impervious surfaces would have a high amount of impervious surface relative to the state median value). Land cover (NOAA, 2023), population and housing unit data (US Census Bureau, 2020), agricultural census data (USDA, 2020), EGLE-WRD CAFO permitting program (2025), and lost wetland (Fizzell, 2015) are summarized for each 12-digit HUC level subwatershed in Michigan. </span></p><p style="margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:.25in; text-indent:.25in;"><span style="font-family:&quot;Aptos&quot;,sans-serif;"><br /></span></p><p style="margin-top:0in; margin-right:0in; margin-bottom:0in; margin-left:.25in; text-indent:.25in;"><span style="font-family:&quot;Aptos&quot;,sans-serif;">The number of hogs and cattle, and the percent of agricultural land that has manure land-applied or tiled, are estimates derived from county-based agricultural census and EGLE-WRD CAFO permitting data. The agricultural census county-level data were then distributed geographically across all agricultural land cover in that county, assuming even distribution or impact of a given stressor. EGLE-WRD CAFO permitting livestock data were evenly distributed across associated CAFO fields. Natural riparian buffer coverage is a percent of stream miles with a 30 meter natural vegetation buffer, and was created by buffering the stream hydrography layer and intersecting the buffer with forested and wetland 2023-era land cover.</span></p></div><div style="text-align:Left;"><br /><table border="0" cellpadding="0" style><tbody><tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>Field Name</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p><b>Description</b></p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HUC12</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p style="line-height:normal;">Hydrologic Unit Code (HUC) 12 is a subwatershed identifier that is the smallest unit in the US Geological Survey's (USGS) Watershed Boundary Dataset.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HUC12Name</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Name of the subwatershed</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>PopulationEstimation</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Estimated population in a subwatershed, approximation from 2020 decennial census block data.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>PopulationStatewideRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of subwatershed population, indiciating how the subwatershed compares with all other subwatersheds in Michigan. Original data sourced from the 2020 US Census blocks.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HousingUnitsEstimation</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Estimated number of housing units in a subwatershed, approximation from 2020 decennial census block data.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HousingUnitsStatewideRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the number of housing units in a subwatershed, indicating how the subwatershed compares with all other subwatersheds in Michigan. Original data sourced from the 2020 US Census blocks.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>LandCoverPercentDeveloped</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total subwatershed land cover that is developed summarized from the 2023 National Land Cover Dataset (NLCD)</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>LandCoverPercentAgricultural</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total subwatershed land cover that is agricultural summarized from the 2023 National Land Cover Dataset (NLCD)</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>LandCoverPercentWetland</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total subwatershed land cover that is wetland summarized from the 2023 National Land Cover Dataset (NLCD)</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>LandCoverPercentForest</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total subwatershed land cover that is forested, summarized from the 2023 National Land Cover Dataset (NLCD)</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>LandCoverPercentOther</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total subwatershed land cover that is in other categories (open water, barren land, shrub/scrub, etc.)<span style>  </span>summarized from the 2023 National Land Cover Dataset (NLCD)</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>ImperviousSurfaceRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the proportion of impervious land cover in a subwatershed, indicating how the subwatershed compares with all other subwatersheds in Michigan. Original data sourced from the 2023 C-CAP NOAA Impervious Land Cover dataset.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>ImperviousSurfaceAcres</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Measurement (in acres) of impervious land cover in a subwatershed. Original data sourced from the 2023 C-CAP NOAA Impervious Land Cover dataset.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>WetlandsLostRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the proportion of pre-settlement wetlands that have been lost, or developed. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan. Original data sourced from the 2005 National Wetlands Inventory.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>EGLEManureApplicationAreaAcre</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Measurement (in acres) of land area that has (or is eligible) for land applications of manure. Original data sourced from EGLE-WRD Combined Animal Feeding Operations permitting program as of February 25, 2025. </p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>EGLEManureApplicationAreaPer</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of NLCD 2023 agricultural land that has (or is permitted to have) land applications of manure according to EGLE-WRD CAFO permitting program. Original data sourced from EGLE-WRD Combined Animal Feeding Operations permitting program as of February 25, 2025. Note: This estimate only includes permitted CAFO operations.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>EGLEManureApplicationAreaRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the proportion of NLCD 2023 agricultural land that has (or is permitted to have) land applications of manure. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan. Original data sourced from the EGLE-WRD Combined Animal Feeding Operations permitting program as of February 25, 2025.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>AgCenManureApplicationAreaAcre</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Agricultural Census 2020 County level measurements (in acres) of land area that has had land applications of manure were summarized by subwatersheds assuming even distribution across NLCD 2023 Agricultural Land. </p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>AgricultureAcres</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Agricultural Area (in acres) of a subwatershed according to the 2023 NLCD.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>AgCenManureApplicationAreaPer</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of NLCD 2023 agricultural land that has (or is permitted to have) land applications of manure according the 2020 Agricultural Census.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>AgCeManureApplicationAreaRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the percentage of NLCD 2023 agricultural land that has (or is permitted to have) land applications of manure according the 2020 Agricultural Census. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan. </p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>TotalRiparianAreaSqMi</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Total Riparian Area within subwatersheds measured using a 30 meter buffer of rivers and streams (extracted from National Hydrography Dataset- High Resolution).</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>VegetatedRiparianAreaSqMi</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Total Riparian Area within subwatersheds indicating the area of wetland and forested land cover types (2023 NLCD) within 30 meters of rivers and streams (extracted from National Hydrography Dataset- High Resolution).</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>PercentOfVegetatedBuffer</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total riparian area that is vegetated (consisting of wetland and forest land cover types) within a subwatershed. </p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>VegetatedBufferRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the percentage of riparian areas that are vegetated for a subwatershed. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HogCount</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Agricultural Census 2020 County level hog counts were summarized by subwatersheds assuming even distribution across NLCD 2023 Agricultural Land.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>HogRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the number of Hogs in a subwatershed according the 2020 Agricultural Census. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>CattleCount</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Agricultural Census 2020 County level Cattle counts were summarized by subwatersheds assuming even distribution across NLCD 2023 Agricultural Land.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>CattleRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the number of Cattle in a subwatershed according the 2020 Agricultural Census. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>TileDrainAcresPercent</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Percentage of total agricultural land in a subwatershed that is tile-drained, assuming even distribution of tile drained acres from Agricultural Census 2020 County level data across agricultural land.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>TileDrainAcres</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Agricultural Census 2020 County level tile drain acres were summarized by subwatersheds assuming even distribution across NLCD 2023 Agricultural Land.</p> </td> </tr> <tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>TileDrainRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Categorical ranking of the amount of agricultural land that is tile drained. This ranking indicates how the subwatershed compares with all other subwatersheds in Michigan.</p> </td> </tr><tr style="height:15.0pt;"> <td style="width:188.35pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="251"> <p><b>SepticSystemsEstimateAndRank</b></p> </td> <td style="width:246.0pt; border:solid #A5A5A5 1.0pt; padding:.75pt .75pt .75pt .75pt; height:15.0pt;" width="328"> <p>Estimated number of septic systems and statewide ranking indicating how the subwatershed compares with all other subwatersheds in Michigan.</p> </td> </tr></tbody></table><br /></div>

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Last Edit Date: 10/24/2025 1:17:37 PM

Schema Last Edit Date: 10/24/2025 1:17:37 PM

Data Last Edit Date: 10/16/2025 6:35:34 PM