-
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
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... -
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... -
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... -
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... -
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... -
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... -
State
Soils Hydric Rating
State of Connecticut —
This rating indicates the percentage of map units that meets the criteria for hydric soils. Map units are composed of one or more map unit components or soil types,... -
Permeable Surface Rebate Eligibility Zone
District of Columbia —
District homeowners who remove impervious surfaces and replace them with permeable pavement or re-vegetate them to reduce and/or treat stormwater runoff from... -
Federal
Metals - 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... -
Combined Sewer Outfall Sewer Shed
District of Columbia —
DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Approximately two-thirds of the District is served by a separate sewer... -
City
Non-SPU Owned Non-Mainlines
City of Seattle —
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers... -
Federal
Region 1 Combined Sewer Outfalls
U.S. Environmental Protection Agency —
CSO attributes and location information are from a variety of datasets for each state: Connecticut: Beginning with GIS data compiled by the Connecticut Department of... -
Federal
Green Infrastructure for a Sustainable New Hampshire - NERRS/NSC(NERRS Science Collaborative)
National Oceanic and Atmospheric Administration, Department of Commerce —
Rivers and streams flow across the boundaries of 52 communities before reaching New Hampshireâs Great Bay. As they travel through each community, they collect... -
Federal
Planning the Future by Exploring the Past in Mississippi's Grand Bay - NERRS/NSC(NERRS Science Collaborative)
National Oceanic and Atmospheric Administration, Department of Commerce —
People have harvested oysters in Mississippiâs Grand Bay for more than 4,000 years. Today, that legacy is at a crossroads. Increased pollution from residential and... -
Federal
Modeling Stormwater Impacts in Coastal South Carolina - NERRS/NSC(NERRS Science Collaborative)
National Oceanic and Atmospheric Administration, Department of Commerce —
Coastal South Carolinaâs population is on the rise. As development to support this growth increases, communities must contend with the increase in stormwater runoff... -
City
SPU DWW Catch Basins, Inlets, Junction Boxes, Sandboxes and 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... -
Stream Restoration Project Dashboard
District of Columbia —
This web app allows users to explore all stream restoration projects within the District of Columbia. DOEE's Watershed Protection Division’s Restoration Branch plans,... -
Federal
Habitat - 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... -
Impervious Surface 2019
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2019. Some examples of Impervious Surfaces include: Airport...