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Municipal Stormwater Permit Outfall Data

Verified Source
US Government

@usgov.state_of_washington_municipal_stormwater_permit_outfall_data

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State of Washington

Dataset Description

Special Condition S8.D of the 2007-2012 Phase I Municipal Stormwater Permit required permittees to collect and analyze data to evaluate pollutant loadings of stormwater discharged from different land uses: high density (HD) residential, low density (LD) residential, commercial, and industrial.

To meet the S8.D requirement, Phase I Permittees collected water quality and flow data, sediment data, and toxicity information from stormwater discharges during storm events.
Organization: State of Washington
Organization URL: https://catalog.data.gov/organization/washington
Last updated: 2025-11-21
Tags: ecology, ms4, outfall, stormwater, water


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