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City
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... -
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... -
State
SB 535 Disadvantaged Communities (Additional Tribal Areas 2023 & 2024)
State of California —
This map shows the 2022 disadvantaged communities designated by CalEPA for the purpose of SB 535. These areas represent:Highest scoring 25% of census tracts from... -
State
Shellfish Area Town Line
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
Storm Drain Marker Installations
District of Columbia —
Storm Drain Marker Installations is a data layer showing where storm drain markers were installed on storm sewer catchments. Markers indicate that the sewer catchments... -
Greenhouse Gas Inventory
District of Columbia —
DOEE regularly tracks the District’s greenhouse gas emissions in order to measure our progress towards reducing emissions 60% by 2030 and reaching net-zero emissions... -
State
Shellfish Area Marker
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
City
SPU DWW Swales
City of Seattle —
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales... -
City
DWSD CSO Event Data
City of Ferndale, Michigan —
Detroit Water & Sewerage waste water discharge event location data (2008-2014). Information on location and function of various structures involved with... -
City
SPU DWW Permeable Pavement
City of Seattle —
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales... -
State
Surface Water Quality Polygon
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
State
Air Quality Maintenance Area Ozone
State of Oregon —
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria... -
City
Louisville Metro KY - Industrial Construction Permits
Louisville Metro Government —
Louisville Metro Air Pollution Control District (APCD) industrial permits are applications for a permit to operate equipment that emits or controls the emission of... -
State
Draft Terrestrial Landscape Intactness for 2026-2027 IRP
State of California —
This category of planning priorities provides an estimate of terrestrial landscape condition based on the extent to which human impacts such as agriculture, urban... -
City
Louisville Metro KY - APCD Open Burn Permits
Louisville Metro Government —
Louisville Metro Air Pollution Control District (APCD) open burning permits are permits for outdoor fires in Louisville/Jefferson County (other than in an approved... -
City
Proposed Sandboxes and Junction Boxes
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
ODA Agricultural Water Quality Management Program Boundaries
State of Oregon —
Oregon’s Agricultural Water Quality Management Act (Act) was passed in 1993, with the input and support of the agricultural industry and the Oregon Board of... -
State
Surficial Aquifer Potential
State of Connecticut —
This map has been prepared for statewide ground water resource protection, water management, non-point source pollution prevention, and land use planning. The map was... -
City
SPU DWW Aba Rem Underdrains & Rain Gardens
City of Seattle —
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales... -
City
Aba Rem Sandboxes and Junction Boxes
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...