USGS Water-Year Summary for Site 09359020

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	Available Parameters
	00010 Temperature, water(Mean,Max.,Min.)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00400 pH(Med.,Max.,Min.)
	63680 Turbidity, Form Neph(Max.,Min.,Med.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

09359020 ANIMAS RIVER BELOW SILVERTON, CO

LOCATION - Lat 37°47'18.00", long 107°40'05.60" referenced to North American Datum of 1983, in sec.20, T.41 N., R.7 W., San Juan County, CO, Hydrologic Unit 14080104, on right bank 200 ft downstream from Durango-Silverton Railroad crossing of the Animas River, 0.7 mi downstream from Mineral Creek, and 1.1 mi south of Silverton. Prior to Oct. 19, 2017, gage located 700 ft upstream at different datum.

DRAINAGE AREA - 146 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1991 to current year.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 9,200 ft above NGVD of 1929, from topographic map. Prior to Oct. 19, 2017, gage located 700 ft upstream at different datum.

REMARKS - Water year 2014; records poor. Water year 2015; records poor. Water year 2016; records poor. Water year 2017; records poor. Water year 2018; records fair except for estimated daily discharges, which are poor. Water year 2019; records fair except for estimated daily discharges, which are poor. Water year 2020; records fair except for estimated daily discharges, which are poor. Water year 2021; records fair except for estimated daily discharges, which are poor. Water year 2022; records fair except for estimated daily discharges, which are poor. Water year 2023; records fair except for estimated daily discharges, which are poor. Natural regulation by many lakes upstream from station. Diversions from Animas River and Mineral Creek drainages through Red Mountain and Mineral Point ditches amount to 600 to 1,100 acre-ft per year. City of Silverton diverts some water for municipal use from Bear Creek and Boulder Creek, both tributaries upstream.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum flood known occurred Oct. 5, 1911.