• Organization: U.S. Environmental Protection Agency
• Updated: 2024-05-14

The Office of Water Linked Data (OWLD) dataset stores EPA Water program information indexed to several National Hydrography Dataset frameworks. Indexing may be accomplished by catchment, reach or...

• api

• Organization: U.S. Environmental Protection Agency
• Updated: 2020-06-08T00:00:00.000+00:00

This dataset contains twelve-digit hydrologic subwatershed units aggregated from the NHDPlus v21+AK Beta State Catchment Fabric. These units express the Catchment Crosswalk logic used to assign...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer depicting potential water...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Watershed Assessment, Tracking & Environmental Results (WATERS) is an integrated information system for the nation's surface waters connecting Office of Water databases to a larger network of...

• Organization: Department of the Interior
• Updated: 2023-02-07T00:00:00Z

The purpose of this data release is to provide data in support of the Bureau of Land Management's (BLM) Reasonably Foreseeable Development (RFD) Scenario by estimating water-use associated with...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2016-06-24T00:00:00.000+00:00

The Beaches Environmental Assessment and Coastal Health (BEACH) Program focuses on the following five areas to meet the goals of improving public health and environmental protection for beach...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2015-02-04T00:00:00.000+00:00

The Beaches Environmental Assessment and Coastal Health (BEACH) Program focuses on the following five areas to meet the goals of improving public health and environmental protection for beach...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

These data were created as part of the National Oceanic and Atmospheric Administration Office for Coastal Management's efforts to create an online mapping viewer depicting potential sea level rise...

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• Organization: Department of the Interior
• Updated: 2020-09-30T00:00:00Z

The NM OSE permitted water rights data along with associated geospatial vector files delineating water right point source location. This dataset is derived from the NM OSE geospatial vector file...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2013-11-05

NCOD is a repository of drinking water quality data to be made available to EPA decision makers and the public.

• Organization: U.S. Environmental Protection Agency
• Updated: 2009-05-01

National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public health by limiting...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-01-01

The Drinking Water Treatability Database (TDB) presents referenced information on the control of contaminants in drinking water. It allows drinking water utilities, first responders to spills or...

• Organization: U.S. Environmental Protection Agency
• Updated: 2009-07-30

The Drinking Water State Revolving Fund (DWSRF) National Information Management System collects information that provide a record of progress and accountability for the program. Reports on DWSRF...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-05-02

The third Unregulated Contaminant Monitoring Rule (UCMR 3), conducted under EPA oversight, was published in the Federal Register on May 2, 2012. UCMR 3 requires monitoring for 30 contaminants: 28...

• Organization: U.S. Environmental Protection Agency
• Updated: 2010-03-01

The Safe Drinking Water Act (SDWA) requires EPA to review each National Primary Drinking Water Regulation (NPDWR) at least once every six years and revise them, if appropriate. The purpose of the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2009-10-08

CCL 3 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or anticipated to occur in public water...

• Organization: U.S. Environmental Protection Agency
• Updated: 2012-05-02

EPA uses the Unregulated Contaminant Monitoring (UCM) program to collect data for contaminants suspected to be present in drinking water, but that do not have health-based standards set under the...

• Organization: U.S. Environmental Protection Agency
• Updated: 2014-10-01

SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 160,000 public water systems and violations of drinking water...

• Organization: U.S. Environmental Protection Agency
• Updated: 1998-03-02

CCL 1 is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, that are known or anticipated to occur in public water...

• Organization: U.S. Environmental Protection Agency
• Updated: 2007-01-04

The Unregulated Contaminant Monitoring Rule supporting the second cycle (UCMR 2) of monitoring, conducted under EPA oversight, was published in the Federal Register on January 4, 2007. The UCMR 2...