• Organization: U.S. Environmental Protection Agency
• Updated: 2017-02-23

National Lakes Assessment 2012 Datafiles for Report “National Lakes Assessment 2012: A Collaborative Survey of lakes in the United States”: The National Lakes Assessment (NLA) is a statistical...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-07-05

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...

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• Organization: City of Austin
• Updated: 2025-09-30

Polygon layer delineating the area covered by major lakes within Travis County Texas.

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• xml
• csv

• Organization: U.S. Environmental Protection Agency
• Updated: 2024-08-26

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...

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• Organization: King County, Washington
• Updated: 2021-02-16

We are committed to monitoring the water quality of the County's lakes to ensure their continued health, as well as the health of the public who utilize the lake's many resources. We invite you to...

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• Organization: King County, Washington
• Updated: 2021-02-16

Welcome to the Lakes Data and Descriptions application! Use this application to search, view, and download water quality data resulting from volunteer monitoring efforts at more than 50 lakes in...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2015-02-01

This dataset includes five ESRI ArcMap shapefiles to provide metadata for those shapefiles. Additional, within the attribute table of each shapefile is a data field titled "SHP_Source" that...

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• xml
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2019-09-20

The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water, aquatic life, sediments, and air...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2010-08-13

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...

• Organization: State of Iowa
• Updated: 2023-08-30

The Iowa Lakes Information System provides the Iowa Department of Natural Resources with lake monitoring data, including biological, chemical, and limnological analyses on Iowa’s most important...

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-01-01T00:00:00.000+00:00

Following the inception of the Great Lakes Restoration Initiative (GLRI) to address the significant environmental issues plaguing the Great Lakes region, the National Centers for Coastal Ocean...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-06-06T00:00:00.000+00:00

Bathymetry of Lakes Michigan, Erie, Saint Clair, Ontario and Huron has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it...

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• html

• Organization: Department of the Interior
• Updated: 2024-11-05T00:00:00Z

This dataset contains monitoring data for lakes and pond at Crater Lake NP, Lassen Volcanic NP, and Redwood NSP. Ponds and lakes are integral components of the Klamath Network landscape. Healthy...

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• xml
• csv
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• +15 more

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-04-30T00:00:00.000+00:00

This dataset contains baseline hardened shoreline classification vector feature datasets for the United States Great Lakes shoreline.

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• Organization: Department of the Interior
• Updated: 2025-05-13T00:00:00Z

The Great Lakes Inventory and Monitoring Network coordinates landbird monitoring in nine national park units. A standardized protocol published in 2010 and implemented across the Great Lakes...

• csv
• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2018-02-01

This data is an Excel file that has links to downloaded photographs posted to social media sites. There is a sheet with metadata in the file. This dataset is associated with the following...

• Organization: U.S. Environmental Protection Agency
• Updated: 2013-07-11

National Lakes Assessment 2007 Datafiles for Report “National Lakes Assessment: A Collaborative Survey of the Nation’s Lakes”: The National Lakes Assessment (NLA) is a statistical survey of the...

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• Organization: Department of the Interior
• Updated: 2021-07-21T00:00:00Z

This dataset provides shapefile outlines of the 881 lakes that had temperature modeled as part of this study. The format is a shapefile for all lakes combined (.shp, .shx, .dbf, and .prj files). A...

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• xml

• Organization: U.S. Environmental Protection Agency
• Updated: 2024-02-06

The Great Lakes Initiative Toxicity Data Clearinghouse is a central location for information on criteria, toxicity data, exposure parameters and other supporting documents used in developing water...

• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Since 1971 the Great Lakes Science Center (GLSC), formerly known as the National Fishery Center-Great Lakes (National Biological Service), the Great Lakes Fishery Laboratory (U.S. Fish and...

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• xml