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Water: Data

Geospatial Data Downloads


Description

Geospatial data for EPA’s Office of Water Programs, including 303(d) Impaired Waters, 305(b) Assessed Waters and Total Maximum Daily Loads (TMDLs) are available for download by state or watershed, as well as at a national extent. Generally, state-level geospatial data represents the most recent data submitted to EPA by states. EPA provides WATERS geospatial data in a variety of formats including Geographical Information Systems (GIS) compatible shapefiles and geodatabases, as well as both vector and raster keyhole markup language (KML) and KMZ files for viewing WATERS data in Google Earth.

State and Watershed Geospatial Data

You may download the spatial files representing the most up-to-date publicly available Water program data by State or Watershed from the EPA's Environmental Dataset Gateway (EDG) Clip N Ship Site.

National Geospatial Datasets

National geospatial datasets provided on this page are produced and periodically updated by EPA using state-submitted data. These datasets are created based on information in the Reach Address Database (RAD) on the date of extract. To be included in this dataset states and other jurisdictions must have submitted information to the program database and indexed to the RAD. Due to the nature and complexity of providing a national snapshot of program data, EPA has provided a fact sheet to accompany and clarify the contents of each dataset.

ATTAINS Program Data

303(d) Listed Impaired Waters NHDPlus Indexed Dataset with Program Attributes
Download

Extracted on February 7, 2014

Changelog (Excel)(20 K)

Shapefiles (157 MB)

ESRI 10.x File Geodatabase (104 MB)

Attributes Only (Excel, 5 MB)

Metadata Spatial and attribute metadata is located at the EPA Environmental Dataset Gateway.
Additional Information

For this dataset as of February 7, 2014, Reach Address Database events have been indexed to NHDPlus v2.1 Exit EPA Disclaimer hydrology (previous versions utilized NHDPlus v1.0 hydrology).

Fact Sheet (pdf)(2 pp, 473K)

303(d) Listed Impaired Waters by Causes of Impairment and Probable Sources Field Descriptions(Word)(1 pp, 20K)

Pollution Category summary document (pdf)(21 pp, 604K)

Geospatial and Attribute Linkage Information Use the provided ESRI_KEY for joining tables.  Note that there is a many-to-many relationship between attributes and geospatial records.


305(b) Waters As Assessed NHDPlus Indexed Dataset with Program Attributes
Download

Extracted on February 7, 2014

Changelog (Excel)(22 K)

Shapefiles (345 MB)

ESRI 10.x File Geodatabase (240 MB)

Attributes Only (Excel, 34 MB)

Metadata Spatial and attribute metadata is located at the EPA Environmental Dataset Gateway.
Additional Information

For this dataset as of February 7, 2014, Reach Address Database events have been indexed to NHDPlus v2.1 Exit EPA Disclaimer hydrology (previous versions utilized NHDPlus v1.0 hydrology).

Fact Sheet Coming Soon

305(b) Assessed Waters by Assessed Uses Field Descriptions(Word)(1 pp, 20K)

Geospatial and Attribute Linkage Information Use the provided ESRI_KEY for joining tables.  Note that there is a many-to-many relationship between attributes and geospatial records.


2002 Impaired Waters Baseline NHDPlus Indexed Dataset
Download

Extracted on February 7, 2014
Shapefiles (128 MB)

ESRI 10.1 File Geodatabase (84 MB)
Metadata Spatial metadata is located at the EPA Environmental Dataset Gateway.
Additional Information

For this dataset as of February 7, 2014, Reach Address Database events have been indexed to NHDPlus v2.1 Exit EPA Disclaimer hydrology (previous versions utilized NHDPlus v1.0 hydrology).

Fact Sheet (2 pp, 132K, About PDF)

Pollution Category summary document (21 pp, 604K, About PDF)

Geospatial and Attribute Linkage Information Selected attributes are included with the above downloads.


Watershed Boundaries for the 2002 Impaired Waters Baseline
Download

Extracted on March 18, 2010
Shapefiles (154 MB)

ESRI 9.3.1 File Geodatabase (83 MB)
Metadata Metadata is located within the downloads.
Additional Information                             Fact Sheet (2 pp, 244K, About PDF)


Impaired Waters with TMDLs NHDPlus Indexed Dataset with Program Attributes
Download

Extracted on February 7, 2014

Changelog (Excel)(20K)

Shapefiles (94 MB)

ESRI 10.x File Geodatabase (65 MB)

Attributes Only (Excel, 5 MB)

Metadata Spatial and attribute metadata is located at the EPA Environmental Dataset Gateway.
Additional Information

For this dataset as of February 7, 2014, Reach Address Database events have been indexed to NHDPlus v2.1 Exit EPA Disclaimer hydrology (previous versions utilized NHDPlus v1.0 hydrology).

Fact Sheet (pdf)(2 pp, 333K)

Impaired Waters with TMDLs by Causes of Impairment and Probable Sources and TMDL Pollutant Field Descriptions(Word)(2 pp, 21K)

Pollution Category summary document (pdf)(21 pp, 604K)

Geospatial and Attribute Linkage Information Use the provided ESRI_KEY for joining tables.  Note that there is a many-to-many relationship between attributes and geospatial records.

BEACH Program Data
 
2009 Beaches NHDPlus Indexed Dataset
Download

Extracted on May 11, 2010
Shapefiles (2.7 MB)

ESRI 9.3.1 File Geodatabase (2.3 MB)
Metadata Metadata is located within the downloads.
Additional Information Fact Sheet (2 pp, 216K, About PDF)
Geospatial and Attribute Linkage Information Selected attributes are included with the above downloads.


2009 Beaches KML Files for Viewing in, e.g. Google Earth
Download

Extracted on May 11, 2010
Keyhole Markup Language (KML)(2.3 MB)
Metadata Metadata is located within the downloads.
Additional Information Fact Sheet (2 pp, 216K, About PDF)

Water Quality Standards Program Data
 
303(c) Water Quality Standards NHDPlus Indexed Dataset
This is the final release of WQS as of December 2007. See WQS Factsheet - Release 9 for more information.
Download

Extracted on March 18, 2010
Shapefiles (817 MB)

ESRI 9.3.1 File Geodatabase (510 MB)
Metadata Metadata is located within the downloads.
Additional Information Refer to the WQSDB Date Table for information regarding dates of indexing.
Geospatial and Attribute Linkage Information Relational key: RAD source_featureid = WQS wqs_entity_id


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