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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
09218500 BLACKS FORK NEAR MILLBURNE, WY
LOCATION - Lat 41°01'54", long 110°34'43" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SW 1/4 sec.11, T.12 N., R.117 W., Uinta County, WY, Hydrologic Unit 14040107, on left bank 0.4 miles downstream from Meeks Cabin Reservoir, 2.7 miles north of Utah-Wyoming state line and 17 miles southwest of Millburne.
DRAINAGE AREA - 146 mi².
REVISIONS HISTORY - WSP 929: 1940.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1939 to September 1998 (no winter records 1992-98), April 2013 to current year (no winter records). Monthly discharge only for some periods, published in WSP 1313.
GAGE - Water-stage recorder. Elevation of the gage datum is 8,523.20 ft above NAVD88, from GNSS survey. July 18, 1939 to May 20, 1971, gage at site 2.0 mi downstream at different datum. U.S. Geological Survey data collection platform with radio telemetry.
REMARKS - Flow completely regulated by Meeks Cabin Reservoir (capacity 32,470 acre-ft) since June 1971.
No diversions above station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge from rating curve extended above 1,500 ft³/s; maximum gage height from floodmarks; minimum daily discharge also Sept. 16 due to regulation by Meeks Cabin Dam.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years: 1969, 1970, 1975-1978. Sediment: 1972, 1975-1978. Biology: 1976-1977.
