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Water-Year Summary for Site USGS 07072000
Water-stage recorder. Datum of gage is 292.23 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to August 05, 2024, the datum of gage in the "Monitor Location Registry" was 291.98 ft NGVD of 1929. It is believed that this elevation is typographical error as further research shows that in 1939 the datum of gage was listed as 291.89 ft NGVD of 1929.
Prior to 1939 the datum of gage was 292.02 ft NGVD of 1929.
Prior to Nov 21, 1938, nonrecording gage at present site at datum 0.04 ft higher. Nov 21 to Dec 11, 1938, nonrecording gage at present site and datum.
Maximum Instantaneous Discharge 164,000 cfs., Gage Height 29.14 ft., April 30, 2017
Peak Gage Height 29.14 ft., April 30, 2017
Maximum discharge 162,000 ft³/s Dec 3, 1982 from rating curve extended above 23,000 ft³/s on basis of contracted-opening and flow-over-road measurement of peak flow. Maximum peak stage 29.06 ft Dec 3, 1982 from floodmarks.