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All_Historic_Biosurveys (FeatureServer)

View In:   Map Viewer

Service Description: EGLE Water Resource Deivision's biological monitoring locations where habitat, fish, and/or macroinvertebrate surveys were conducted. This layer contains summary information from investigations conducted since 1990, and is updated quarterly.

Service ItemId: b7f2641a1bf649c986c235b355034054

Has Versioned Data: false

Max Record Count: 2000

Supported query Formats: JSON

Supports applyEdits with GlobalIds: False

Supports Shared Templates: False

All Layers and Tables

Layers:

Description:
This data is used in the Biological Monitoring Story Map  For content related questions reach out to the watershed biologist listed for that area in the story map. To submit feedback please reach out to EGLE-Maps@Michigan.gov.

Field Name

Description

STORET No

Identification number representing the location in the EPA's Storet Database (also known as the Water Quality Portal) 

VisitID

Identification key for unique sampling event. Consists of concatenated Storet identification number and date the investigation was conducted

Date

Date the investigation was conducted, formatted as text

Lat

Latitude value of sampling location in decimal degrees

Long

Longitude value of sampling location in decimal degrees

Targeted

Denotes whether this site investigation was done in response to a Targeted Monitoring Request

Status

Denotes whether this site investigation was done as a component of the water quality status assessment program

Trend

Denotes whether this site investigation was done as a component of the water quality trend program. 

HTOTSCORE

The calculated habitat quality score 

HABITATRATING

Represents the corresponding, qualitative, habitat rating

ITOTSCORE

 The calculated macroinvertebrate community score 

MACROINVERTEBRATE COMMUNITY RATING

Represents the corresponding, qualitative, macroinvertebrate rating

FTOTSCORE

The calculated fish community score 

FISH_COMMUNITY_RATING

Represents the corresponding, qualitative, fish community rating

DateSampled

Date the investigation was conducted, formatted as a date field.



Copyright Text: Water Resources Division (Great Lakes Watershed Assessment, Management, and Restoration Section), Michigan Department of Environment, Great Lakes, and Energy (EGLE). (2025)

Spatial Reference: 4326 (4326)

Initial Extent:
Full Extent:
Units: esriDecimalDegrees

Child Resources:   Info

Supported Operations:   Query   ConvertFormat   Get Estimates   Create Replica