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Water-Year Summary for Site 12335500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
12335500 NEVADA CREEK ABOVE RESERVOIR, NEAR HELMVILLE, MT
LOCATION - Lat 46°46'40.00", long 112°46'04.03" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SW 1/4 sec.20, T.12 N., R.9 W., Powell County, MT, Hydrologic Unit 17010203, on right bank 0.7 mi upstream from Nevada Lake, 1.1 mi downstream from Gallagher Creek, 11 mi southeast of Helmville, and at river mile 34.5.
DRAINAGE AREA - 119 mi².
REVISIONS HISTORY - WDR MT-2013: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1939 to current year. Seasonal records only for water year 2007. Prior to October 2001, published as "near Finn."
GAGE - Water-stage recorder. Elevation of gage is 4,640 ft, referenced to the North American Vertical Datum of 1988. Prior to Apr. 30, 1942, nonrecording gage at site 0.1 mi, downstream at different elevation. Apr. 30, 1942 to July 26, 1953, water-stage recorder at site 0.2 mi downstream at different elevation. July 26, 1953, to Nov. 6, 1978, water-stage recorder at site 0.8 mi upstream at different elevation.
REMARKS -
11-04-2019 to 10-05-2020: records are good, except estimated records are poor.
10-04-2018 to 11-03-2019: records are good, except estimated records are poor.
10-24-2017 to 10-03-2018: records are good, except estimated records are poor.
10-04-2016 to 10-23-2017: records are good, except estimated records are poor.
11-05-2015 to 10-03-2016: records are fair, except estimated records are poor.
10-03-2014 to 11-04-2015: records are fair, except estimated records are poor.
10-01-2013 to 10-02-2014: records are fair, except estimated records are poor. 

Diversions for irrigation include about 2,900 acres upstream from station. 
WATER-QUALITY RECORDS
PERIOD OF RECORD - April 1994 to January 2000, May 2003 to current year.
REMARKS - Several unpublished observations of specific conductance and water temperature were made during the year.