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    • Upper Colorado River Basin Accumulated Wastewater Ratios

    Metadata Updated: January 21, 2026

    A wastewater reuse model was applied to the Upper Colorado River basin to assess the percent of accumulated wastewater (ACCWW%) from municipal and industrial wastewater treatment plants (WWTPs) in each initialized (that is, has an assigned hydrosequence number for flow-routing) National Hydrography Dataset Version 2.1 (NHDPlus V2.1) stream segment. Model inputs included (1) NHDPlus V2.1 stream geometry and hydrologic information (Table 1); (2) WWTP information, provided by the U.S. Environmental Protection Agency (Table 2), including average daily effluent discharges and outfall locations. Outfall locations were linked to the corresponding NHDPlus V2.1 stream segment receiving the effluent prior to calculating ACCWW%. ACCWW% values were calculated for years 2007 to 2020 using mean-monthly and mean-annual NHDPlus V2.1 gage-adjusted Enhanced Runoff Method streamflow estimates.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date January 11, 2026
    Metadata Updated Date January 21, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 11, 2026
    Metadata Updated Date January 21, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_63d019a2d34e06fef14fd28f
    Data Last Modified 2023-10-05T00:00:00Z
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-data.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
    Datagov Dedupe Retained 20260121130127
    Harvest Object Id df10b29b-0673-48d4-b433-7d5ef173202b
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -112.3540, 35.0500, -112.3540, 43.6000, -105.2600, 43.6000, -105.2600, 35.0500, -112.3540, 35.0500}
    Source Datajson Identifier True
    Source Hash 290841ad1d2ad3ea06078507b0877960c92fb675aeb5d1242d6014540bd8d715
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -112.3540, 35.0500, -112.3540, 43.6000, -105.2600, 43.6000, -105.2600, 35.0500, -112.3540, 35.0500}

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