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Federal
Small Watershed Hydrology (WinTR-55)
Department of Agriculture —
WinTR-55 is a single-event rainfall-runoff small watershed hydrologic model. The model generates hydrographs from both urban and agricultural areas and at selected... -
State
Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries
State of California —
The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjacent ocean... -
City
NYC Stormwater Flood Maps
City of New York —
A collection of citywide Geographic Information System (GIS) layers that show areas of potential flooding scenarios under varying sea level rise conditions. Please... -
Impervious Surface 2021
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2021. Some examples of Impervious Surfaces include: Airport... -
City
DEP Green Infrastructure (Point Layer)
City of New York —
This dataset contains the locations and detailed information of green infrastructure practices in NYC neighborhoods built primarily through NYC Green Infrastructure... -
Federal
Pharmaceuticals in the Environment, Information for Assessing Risk (PEiAR)
National Oceanic and Atmospheric Administration, Department of Commerce —
The database provides information on prescribed amounts, levels detected in aquatic environments, chemical structure, molecular weight, octanol-water partition... -
Federal
DWTRs_Data_P_Sorption_Capacity_Manuscript_Data
U.S. Environmental Protection Agency —
DWTRs Data and P sorption capacity. This dataset is associated with the following publication: Ament, M.R., S.E. Hurley, M. Voorhees, E. Perkins, Y. Yuan, J.W.... -
City
Inlets
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former... -
State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
City
Municipal Separate Storm Sewer System (MS4) Data
City of New York —
New York City’s Municipal Separate Storm Sewer System (MS4) Stormwater Management Program is a multiagency effort led by the Department of Environmental Protection... -
City
NYCDEP Citywide Catch Basins
City of New York —
NYCDEP Citywide Catch Basins. Catch basins are an important part of New York City’s 7,500-mile sewer network. They are connected to underground pipes that channel... -
Federal
Biota - Pipers Creek Natural Drainage System monitoring for Seattle Public Utilities
National Oceanic and Atmospheric Administration, Department of Commerce —
Relatively little scientific research or monitoring has occurred in the Pacific Northwest or elsewhere on the biological effectiveness of restoration efforts in... -
City
DEP Green Infrastructure (Regulated Projects)
City of New York —
This dataset contains the locations and detailed information of green infrastructure practices in NYC neighborhoods built primarily through NYC Green Infrastructure... -
Impervious Surface 2023
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2023. Some examples of Impervious Surfaces include: Airport... -
Identify Your Watershed and Sewer System Area App
District of Columbia —
This app displays a series of general information for an address, location, or where the user clicks in DC. Some information returned are:Municipal Separate Storm... -
City
Proposed Trash Racks
City of Seattle —
This layer displays all the catch basins, catch basin grated tops, sandboxes, junction boxes, inlets and trash racks within the City of Seattle (and the former... -
County
Sediment Control Permits
Montgomery County of Maryland —
An Engineered Sediment Control Permit is required for certain construction activities. An Engineered Sediment Control application must be used for any project subject...