USGS Water-Year Summary 2024

10311400 Carson River At Deer Run Road Near Carson City, NV

LOCATION - Lat 39°10'52.96", long 119°41'41.53" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.12, T.15 N., R.20 E., Carson City, NV, Hydrologic Unit 16050201, on left bank, 0.1 mi downstream from Deer Run Road and on Brunswick Road, 4 mi east of Carson City, and at mi 63.3 upstream from Lahontan Dam.

DRAINAGE AREA - 958 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - Apr. 1979 to Sep. 1985, Aug. 1990 to current year.

GAGE - Datum of gage is 4576.32 ft above NAVD of 1988. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), GEOID18) by USGS on July 28, 2021 and tied to RM 16. Prior to July 28, 2021, the datum of gage was 4600 ft above NGVD of 1929 as determined via topographic map by USGS on March 15, 1979. Prior to April 25, 2013, at site 200 ft downstream at same datum.

REMARKS - Many diversions above station for irrigation. Flow slightly regulated by several small reservoirs on tributaries. 10/01/2013-09/30/2014: Records good except for estimated daily discharges, which are poor. 10/01/2014-09/30/2015: Records fair. 10/01/2015-09/30/2016: Records fair except for estimated daily discharges, which are poor. 10/01/2016-09/30/2017: Records fair except for estimated discharges, which are poor. 10/01/2017-09/30/2018: Records fair except for estimated discharges, which are poor. 10/01/2018-09/30/2019: Records fair except for estimated discharges, which are poor. 10/01/2019-09/30/2020: Records fair except for estimated discharges, which are poor. 10/01/2020-09/30/2021: Records poor.

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec, 1955 is believed to have been approximately 30,000 ft³/s, based on slope-area measurement made at gaging station 5 mi upstream.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge 24,000 ft³/s, Jan. 03, 1997, gage height 24.23 ft; no flow at times, some years.