Stale — older than 1 week USGS

Walnut Cr. Below Portal 3 At Rocky Flats Plant

Updated October 1, 1996 at 05:45:00 AM · Approved · Site 395349105114900

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Hourly measurements

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-395349105114900/ (may include cooperator information)