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National Lakes Assessment Data

Metadata Updated: March 16, 2024

The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support healthy biological condition and recreation, estimate how widespread major stressors are that impact lake quality, and provide insight into whether lakes nationwide are getting cleaner.

Access & Use Information

Public: This dataset is intended for public access and use. License: See this page for license information.

Downloads & Resources

No file downloads have been provided. The publisher may provide downloads in the future or they may be available from their other links.

References

https://www.epa.gov/national-aquatic-resource-surveys/nla
https://edg.epa.gov/metadata/rest/document?id=%7B668F7BE3-50D1-465C-A73D-B21625689159%7D
https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B668F7BE3-50D1-465C-A73D-B21625689159%7D

Dates

Metadata Created Date November 29, 2020
Metadata Updated Date March 16, 2024
Data Update Frequency irregular

Metadata Source

Harvested from OW Non-Geo Records

Additional Metadata

Resource Type Dataset
Metadata Created Date November 29, 2020
Metadata Updated Date March 16, 2024
Publisher U.S. EPA Office of Water (OW) - Office of Wetlands Oceans and Watersheds (OWOW)
Maintainer
Identifier {668F7BE3-50D1-465C-A73D-B21625689159}
Data First Published 2014-01-01
Data Last Modified 2010-08-13
Public Access Level public
Data Update Frequency irregular
Bureau Code 020:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://edg.epa.gov/data/public/OW/metadata/OW.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 49f3505c-3412-44a0-a18c-2ea294bd560d
Harvest Source Id 8ed177f0-2564-4659-9197-8b64a5f0db3d
Harvest Source Title OW Non-Geo Records
License https://edg.epa.gov/EPA_Data_License.html
Old Spatial -180.0,18.0,-66.0,72.0
Program Code 020:072
Related Documents https://www.epa.gov/national-aquatic-resource-surveys/nla, https://edg.epa.gov/metadata/rest/document?id=%7B668F7BE3-50D1-465C-A73D-B21625689159%7D, https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B668F7BE3-50D1-465C-A73D-B21625689159%7D
Source Datajson Identifier True
Source Hash dfb64b1ad24ae6b562429ffee7dfbb1aa6a0889c0611c34b1cd1a71e367728b8
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -180.0, 18.0, -180.0, 72.0, -66.0, 72.0, -66.0, 18.0, -180.0, 18.0}

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