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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
06320500 SOUTH PINEY CREEK AT WILLOW PARK, WY
LOCATION - Lat 44°27'59", long 107°02'03" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.24, T.52 N., R.85 W., Johnson County, WY, Hydrologic Unit 10090206, Bighorn National Forest, on left bank about 300 ft downstream from Willow Park Dam, 1.4 mi upstream from Kearny Creek, and 10 mi southwest of Story.
DRAINAGE AREA - 33.7 mi².
REVISIONS HISTORY -
WSP 1309: 1949(M). WSP 1709: Drainage area.
The peak streamflow qualification code for the 1946 water year was updated on 7/18/2024 after a re-examination of the record.
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1945 to September 1957 (no winter records prior to 1948), October 1959 to September 30, 2015 (no winter records since 1971).
GAGE - Water-stage recorder. Elevation of gage is 8,540 ft above NGVD of 1929, from topographic map. Prior to October 1, 1957, at site about 600 ft upstream from station at different datum. October 1, 1959 to September 30, 1965, at present site at datum 1.00 ft higher. Wyoming State Engineer's Office data collection platform with satellite telemetry at station.
COOPERATION - Station operated and record provided by the Wyoming State Engineer's Office; record reviewed by U.S. Geological Survey.
REMARKS -
06-09-2015 to 09-30-2016: Records are good. 05-28-2014 to 09-30-2014: records are good, except estimated records are poor. Some regulation by Cloud Peak Reservoir, capacity, 3,385 acre-ft, and Willow Park Reservoir, capacity, 4,457 acre-ft. Storage began in Willow Park Reservoir in April 1959. Cloud Peak Reservoir enlarged December 1958. Water released from storage in Cloud Peak Reservoir is diverted just downstream from station into Rock Creek Basin.
