USGS Water-Year Summary for Site 09168730

Click to hide Water-Year Summary instructions and information

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.
Not all sites have reports available for every water year.

	Available Parameters
	00060 Discharge(Mean)

Select a water year

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

Print this page

USGS Water-Year Summary 2023

09168730 DOLORES RIVER NEAR SLICK ROCK, CO

LOCATION - Lat 38°02'40", long 108°54'17" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.25, T.44 N., R.19 W., San Miguel County, CO, Hydrologic Unit 14030002, on left bank 15 ft downstream from County Road S-8 bridge, 0.7 mi upstream from Summit Canyon, 1.2 mi northwest of Slick Rock Post Office, and 2 mi downstream from State Highway 141 at Slick Rock Bridge.

DRAINAGE AREA - 1,434 mi².

REVISIONS HISTORY - WDR-US-2011: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1997 to June 1999 (seasonal records only). October 1999 to September 2000. October 2000 to June 2003 (seasonal records only). April 2008 to September 2017. March 2018 to current year (seasonal records only).

GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 5,427.45 ft above NAVD of 1988, from GNSS survey. Elevation of gage is 5,400 ft above NGVD of 1929, from topographic map.

REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; no estimated daily discharges. Records good. Water year 2020; no estimated daily discharges. Records good. Water year 2021; no estimated daily discharges. Records good. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; no estimated daily discharges. Records good. Natural flow of stream affected by diversions upstream from station, which include diversions for irrigation in the San Juan River Basin for about 74,760 acres. Flow regulated since Mar. 19, 1984, by McPhee Reservoir, capacity 381,000 acre-ft.

EXTREMES OUTSIDE PERIOD OF RECORD - Major flows occurred in Oct. 1911, Sept. 1970, and Apr. 1973. Minimum flow not determined.