-
City
Green Infrastructure Water Capture Capacity
City of Los Angeles —
Green infrastructure is designed to capture and infiltrate or filter stormwater runoff through natural systems. This dataset is used in combination with precipitation... -
State
Municipal Stormwater Permit Outfall Data
State of Washington —
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... -
State
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
State of California —
This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from the Stormwater... -
City
Spreading Grounds Centralized Monthly Capture
City of Los Angeles —
Centralized stormwater capture facilities are engineered features located in specific locations that perform well at capturing large flows when available. In general,... -
County
Water Quality Protection Charges
Montgomery County of Maryland —
The Water Quality Protection Charge (WQPC) is a line item on your property tax bill. WQPC funds many of the County's clean water initiatives including: • Restoration... -
MS4 Sewer Shed
District of Columbia —
The dataset contains locations and attributes of the drainage areas of MS4 outfalls. -
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... -
Green Infrastructure Practices in the District
District of Columbia —
You can use this page to explore Green Infrastructure (GI) practices throughout the District of Columbia. Use the filters to search for GI installed through specific... -
MS4 Storm Sewer Outfalls
District of Columbia —
The dataset contains locations and attributes of the MS4 outfalls created as part of the Federal MS4 Permit. GPS outfall locations were captured by DC Water, then DC... -
Impervious Surface 2017
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2017. Some examples of Impervious Surfaces include: Airport... -
Impervious Surface 2010
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2010. Some examples of Impervious Surfaces include: Airport... -
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... -
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...