USGS Water-Year Summary 2022
07124400 TRINIDAD LAKE NEAR TRINIDAD, CO
LOCATION - Lat 37°08'28", long 104°33'05" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.27, T.33 S., R.64 W., Las Animas County, CO, Hydrologic Unit 11020010, in valve house near center of dam on Purgatoire River, and 3.2 mi southwest of courthouse in Trinidad.
DRAINAGE AREA - 672 mi².
- WDR CO-78-1: 1977(M). WDR CO-83-1: 1981-82 (contents). WDR CO-89-1: 1988 (contents).
PERIOD OF RECORD - August 1977 to current year.
GAGE - Water-stage recorder with satellite telemetry and staff gage. Datum of gage is 6,073.64 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers); gage readings have been reduced to elevations above NGVD of 1929.
COOPERATION - Capacity tables provided by U.S. Army Corps of Engineers.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 72,800 acre-ft, Aug. 8, 1999, elevation, 6,230.35 ft; minimum contents since recreation pool was reached, 4,260 acre-feet, Oct. 5, 1992, elevation, 6,142.41 ft.