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The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Mine Density: Active Mines and Mineral Plants in the US

Metadata Updated: December 2, 2025

This dataset represents mine density within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies based on mine plants and operations monitored by the USGS National Minerals Information Center. Catchment boundaries in LakeCat are defined in one of two ways, on-network or off-network. The on-network catchment boundaries follow the catchments provided in the NHDPlusV2 and the metrics for these lakes mirror metrics from StreamCat, but will substitute the COMID of the NHDWaterbody for that of the NHDFlowline. The off-network catchment framework uses the NHDPlusV2 flow direction rasters to define non-overlapping lake-catchment boundaries and then links them through an off-network flow table. The National Minerals Information Center canvasses the nonfuel mining and mineral-processing industry in the United States for data on mineral production, consumption, recycling, stocks, and shipments. Mine plants and operations for commodities are expressed as points in a shapefile that was downloaded from the USGS directly. The (mines / catchment) were summarized and accumulated into watersheds to produce local catchment-level and watershed-level metrics as a point data type.

Access & Use Information

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

Downloads & Resources

References

https://www.epa.gov/node/276204
https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=79e843a5-dd98-41c1-9dd6-914706b75a48

Dates

Metadata Created Date November 14, 2023
Metadata Updated Date December 2, 2025
Data Update Frequency R/P3Y

Metadata Source

Harvested from LakeCat Harvest

Additional Metadata

Resource Type Dataset
Metadata Created Date November 14, 2023
Metadata Updated Date December 2, 2025
Publisher U.S. Environmental Protection Agency, Office of Water,
Maintainer
Identifier 79e843a5-dd98-41c1-9dd6-914706b75a48
Data First Published 2015-04-23
Language en-US
Data Last Modified 2023-11-13
Rights public (Data asset is or could be made publicly available to all without restrictions)
Category environment
Public Access Level public
Data Update Frequency R/P3Y
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/LakeCat.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
Data Quality True
Data Dictionary https://www.epa.gov/national-aquatic-resource-surveys/lakecat-metrics-and-definitions
Data Dictionary Type text/html
Harvest Object Id 00cac458-08e3-403f-b863-1e792866636e
Harvest Source Id 54618c4c-64b6-4a3b-9748-ad612299d8a0
Harvest Source Title LakeCat Harvest
Homepage URL https://www.epa.gov/national-aquatic-resource-surveys/lakecat-dataset
License https://edg.epa.gov/EPA_Data_License.html
Old Spatial -125.0,24.5,-66.5,49.5
Program Code 020:072
Related Documents https://www.epa.gov/node/276204, https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=79e843a5-dd98-41c1-9dd6-914706b75a48
Source Datajson Identifier True
Source Hash 4a75cd824f1c4b6e470a97f803cfbfdda6ad7e3494689d544601f5cecee0a8aa
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -125.0, 24.5, -125.0, 49.5, -66.5, 49.5, -66.5, 24.5, -125.0, 24.5}
Temporal 2015/2030

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