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- 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.
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USGS Water-Year Summary 2024
08220000 RIO GRANDE NEAR DEL NORTE, CO
LOCATION - Lat 37°41'19.0", long 106°27'35.5" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.29, T.40 N., R.5 E., Rio Grande County, CO, Hydrologic Unit 13010001, on right bank 40 ft downstream from county highway bridge, 5.0 mi upstream from Pinos Creek, and 6.0 mi west of Del Norte.
DRAINAGE AREA - 1,320 mi². approximately.
REVISIONS HISTORY - WSP 763: Drainage area. WSP 1312: 1889, 1901, 1913-14 (monthly discharge and runoff).
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1889 to current year. Monthly discharge only for some periods, published in WSP 1312.
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 7,980.25 ft above NGVD of 1929. Prior to May 16, 1908, nonrecording gage at site 4 mi downstream at different datum. May 16, 1908 to Nov. 8, 1910, nonrecording gages on bridge at present site and datum.
COOPERATION - Records collected and computed by Colorado Division of Water Resources and reviewed by Geological Survey.
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; records good except for estimated daily discharges, which are poor. Water year 2020; records good except for estimated daily discharges, which are poor. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Natural flow of stream affected by storage reservoirs, transmountain diversions from Colorado River Basin, diversions for irrigation and municipal use, groundwater withdrawals, return flows from irrigated areas, and flows from sewage-treatment plants. Flow regulated by Beaver Creek Reservoir since 1910, Santa Maria Reservoir since 1912, Rio Grande Reservoir since 1912, and Continental Reservoir since 1925, combined capacity, 126,100 acre-ft, and by several smaller reservoirs.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage of Oct. 5, 1911, is the greatest since at least 1873, from information obtained from local residents in 1959.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 18,000 ft³/s, Oct. 5, 1911, from rating curve extended above 12,900 ft³/s, gage height, 6.80 ft.
