USGS Water-Year Summary for Site 06326500

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

06326500 POWDER RIVER NEAR LOCATE, MT

LOCATION - Lat 46°25'45.97", long 105°18'37.19" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SE 1/4 sec.23, T.8 N., R.51 E., Custer County, MT, Hydrologic Unit 10090209, on left bank at downstream side of bridge on U.S. Highway 12, 0.1 mi west of Locate, and 25 mi east of Miles City, and at river mile 29.4.

DRAINAGE AREA - 13,060 mi².

REVISIONS HISTORY - Water Supply Paper (WSP) 926: 1939. WSP 1309: 1938-39, maximum discharge. WSP 1729: Drainage area. Water Data Report MT-04-1: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - March 1938 to current year.

GAGE - Water-stage recorder. Elevation of gage is 2,384.79 ft, referenced to the National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers). Prior to July 11, 1947, nonrecording gage located at bridge 1.5 mi upstream, and July 11, 1947 to Sept. 30, 1965, water-stage recorder located at site near upstream bridge at different elevation. Oct. 1, 1965 to Oct. 4, 1966, nonrecording gage, and Oct. 5, 1966 to Mar. 21, 1978, water-stage recorder located at present site and elevation. Mar. 22, 1978 to Apr. 23, 1981, water-stage recorder located 1.5 mi upstream at different elevation, Apr. 24 to Aug. 20, 1981, water-stage recorder located at present site and elevation, and Aug. 21, 1981 to Sept. 30, 1981, water-stage recorder located 1.5 mi upstream at different elevation. Oct. 1, 1981 to Apr. 5, 1995 water-stage recorder located at site 1.5 miles downstream at different elevation. Apr. 7, 1995 to present, water-stage recorders located on each bank and used depending on control conditions.

REMARKS - Some regulation occurs by three reservoirs in Wyoming. Diversions for irrigation occur upstream from station.

EXTREMES FOR PERIOD OF RECORD - No flow on many days in 1950, 1960-61, 1998, and 2006.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1948-63, 1975 to September 1994, January 1999 to June 2016.

PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: January 1951 to September 1962, October 1974 to September 1981, July 1988 to January 1990. WATER TEMPERATURE: March 1951 to July 1963, October 1974 to September 1979. SUSPENDED-SEDIMENT DISCHARGE: October 1974 to September 1984.

REMARKS -

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum daily, 4,000 microsiemens per centimeter (uS/cm) at 25.0°C, Apr. 1, 1977; minimum daily, 523 uS/cm at 25.0°C, Mar. 11, 12, 1989. WATER TEMPERATURE: Maximum, 30°C, July 26, 1959; minimum 0.0°C many days during winter periods. SEDIMENT CONCENTRATION: Maximum daily mean, 60,000 mg/L, Aug. 6, 1953; minimum daily mean, 17 mg/L, Dec. 3, 1974. SEDIMENT LOAD: Maximum daily, 1,020,000 tons, May 26, 1952; minimum daily, less than 1 ton on several days during September 1950.