Stale — older than 1 week USGS

Walnut Cr. Below Pond A 4 At Rocky Flats Plant

Updated September 19, 1996 at 05:45:00 AM · Approved · Site 395403105104700

Current conditions

Historical trends

Hourly measurements

Detailed readings by hour, organized by day

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-395403105104700/ (may include cooperator information)