Description: The dataset represents the Phase 2 Term 1 National Pollutant Discharge Elimination System (NPDES) boundary within Sonoma County. The dataset will assist in assessing fess per parcels residing within the NPDES boundary. Note: As of April 2013, the Standard Urban Storm Water Mitigation Plan (SUSUMP) ONLY applies in the Phase 2 Term 1 boundary.For further information regarding SUSUMP, refer to PRMD website resource: http://www.sonoma-county.org/prmd/sw/sw-npdes.htm.