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State
2019 California Water Quality Status Report 40 recent views
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
Pollutant Reports
City of Austin —
Point layer derived from the Maximo data warehouse that shows the location of reported pollutant spills -
Federal
Surface Drinking Water Importance (Feature Layer)
Department of Agriculture —
Note: This is a large dataset. To download, go to�ArcGIS Open Data Set�and click the download button, and under additional resources select the shapefile or... -
State
National Hydrography Data - NHD and 3DHP
State of California —
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes... -
State
Chesapeake Bay Pollution Loads - Nitrogen
State of Maryland —
Nitrogen pollution from contributing sources in Bay watershed, pounds per year. 1985, 2007, and 2009 - 2012 progress; 2017 and 2025 targets. Data source: EPA Phase... -
City
Watershed Water Quality Data
City of New York —
Data collected to fulfill the requirements of the SWTR (Surface Water Treatment Rule) and FAD (Filtration Avoidance Determination). Data is collected via grab... -
State
Surface Water - 2018 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 second edition of the report... -
State
California Native Fish Species by Watershed [ds1353]
State of California —
This dataset was created using the 123 PISCES extant species range layers listed below in the table. The PISCES datasets were converted to rasters using GIS and then... -
City
UTILITIESCOMMUNICATION.ManholeREFDOC
City of Austin —
The Manhole REFDOC table should be used in conjunction with the Manhole feature class https://data.austintexas.gov/dataset/Manhole/38q2-v8xr with a join on the... -
State
Chesapeake Bay Pollution Loads - Sediment
State of Maryland —
Sediment pollution from contributing sources in Bay watershed, tons per year. 1985, 2007, and 2009 - 2012 progress; 2017 and 2025 target loads. Target loads for... -
State
Iowa Watershed Boundaries: Subbasins (HUC 08)
State of Iowa —
The Watershed Boundary Dataset (WBD) defines the areal extent of surface water drainage to a point, accounting for all land and surface areas. Watershed Boundaries... -
State
California High Hazard Zones (Tier 2)
State of California —
On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the greatest potential to... -
State
Drainage Basin Polygon
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
State
Iowa Watershed Boundaries: Watersheds (HUC 10)
State of Iowa —
The Watershed Boundary Dataset (WBD) defines the areal extent of surface water drainage to a point, accounting for all land and surface areas. Watershed Boundaries... -
State
Chesapeake Bay Pollution Loads - Phosphorus
State of Maryland —
Phosphorus pollution from contributing sources in Bay watershed, pounds per year. 1985, 2007, and 2009 - 2012 progress; 2017 and 2025 targets. Data source: EPA Phase... -
City
Watershed Sink
City of Baton Rouge —
Polygon geometry with attributes displaying sink areas of watersheds in East Baton Rouge Parish. Sinks are the areas at or below the 100 year flood plain elevation... -
State
Subregional Basin Polygon
State of Connecticut —
See full Data Guide here.Subregional Drainage Basic Set: Connecticut Subregional Drainage Basins is 1:24,000-scale, polygon and line feature data that define...