• Organization: District of Columbia
• Updated: 2026-02-18T07:16:10.000Z

Best Management Practices (BMPs) are structural controls used to manage stormwater runoff. Examples include green roofs, rain gardens, and cisterns. BMPs reduce the effects of stormwater pollution...

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• Organization: District of Columbia
• Updated: 2019-05-03T19:12:49.000Z

The Stormwater Retention Credit (SRC) Trading Program helps to leverage private investment in GI. SRCs, which are generated by GI or by removing impervious surfaces, can be sold on the market to...

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• Organization: Department of the Interior
• Updated: 2024-10-18T00:00:00Z

The Highway-Runoff Database (HRDB) was developed by the U.S. Geological Survey (USGS), in cooperation with the Federal Highway Administration (FHWA) Office of Project Delivery and Environmental...

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• Organization: Department of the Interior
• Updated: 2020-08-25T00:00:00Z

The Highway-Runoff Database (HRDB) was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration (FHWA) to provide planning-level information for decision...

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• Organization: Department of the Interior
• Updated: 2020-08-25T00:00:00Z

The Highway-Runoff Database (HRDB) was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration (FHWA) to provide planning-level information for decision...

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• Organization: Loudoun County, Virginia
• Updated: 2023-09-12T13:29:38.000Z

The stormwater BMP data is comprised of points (dry ponds, wet ponds, underground detention, etc.). These points identify the general location of BMPs within Loudoun County, Virginia, and provide...

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• Organization: Vermont Center for Geographic Information
• Updated: 2026-02-18T10:26:33.295Z

This layer contains permits issued by the Stormwater Management Program for impervious surfaces (operational permits) or industrial activities (MSGP). Construction permits (9020, 9001, and INC)...

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• Organization: Vermont Center for Geographic Information
• Updated: 2026-02-18T15:44:54.415Z

This layer contains pending permits by the Stormwater Management Program for impervious surfaces (operational permits) or industrial activities (MSGP). Construction permits (9020, 9001, and INC)...

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• Organization: Department of the Interior
• Updated: 2021-01-06T00:00:00Z

This data release documents statistics for simulating structural stormwater runoff best management practices (BMPs) with the Stochastic Empirical Loading and Dilution Model (SELDM). The U.S....

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• Organization: State of Connecticut
• Updated: 2026-01-28

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, each of which is rated as...

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• Organization: State of Connecticut
• Updated: 2023-12-14

Subsurface sewage disposal systems (SSDS) consist of a house sewer, a septic tank followed by a leaching system, any necessary pumps and siphons, and a groundwater control system upon which the...

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• Organization: Department of the Interior
• Updated: 2022-08-27T00:00:00Z

In 2013, the U.S. Geological Survey (USGS) in partnership with the U.S. Federal Highway Administration (FHWA) published a new national stormwater quality model called the Stochastic Empirical...

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• Organization: State of California
• Updated: 2024-07-29T17:04:30.329377

The dataset contains storm water projects planned in the future throughout California that involve groundwater recharge and direct use. It was used to develop storm water targets for the years...

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• Organization: Department of the Interior
• Updated: 2023-09-13T00:00:00Z

This data release documents the data and models used to assess flows, concentrations, and loads of highway and urban runoff and of stormwater within receiving streams in southern New England....

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• Organization: Department of the Interior
• Updated: 2022-08-28T00:00:00Z

In 2013, the U.S. Geological Survey (USGS) in partnership with the U.S. Federal Highway Administration (FHWA) published a new national stormwater quality model called the Stochastic Empirical...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-09-05

We used field measurements of seldom-assessed hydraulic conductivity in urban locations. Although emphasis is placed on soils as permeable surfaces that regulate the rainfall-runoff process,...

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• Organization: State of California
• Updated: 2025-05-29T16:06:57.000Z

The feature dataset contains storm water projects planned in the future throughout California that involve groundwater recharge and direct use. It was used to develop storm water targets for the...

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• Organization: Department of the Interior
• Updated: 2021-01-06T00:00:00Z

The Best Management Practices Statistical Estimator (BMPSE) version 1.2.0 was developed by the U.S. Geological Survey (USGS), in cooperation with the Federal Highway Administration (FHWA) Office...

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• Organization: Department of the Interior
• Updated: 2023-04-04T00:00:00Z

This data release contains 15 datasets and associated metadata of watershed characteristics and data related to stream water quality and constituent load estimation for 15 study watersheds in...

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• Organization: Department of the Interior
• Updated: 2024-11-12T00:00:00Z

The U.S. Geological Survey (USGS), in cooperation with DuPage County Stormwater Management Department, maintains a watershed data management (WDM) database of hourly meteorological and hydrologic...

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