USGS Water-Year Summary 2024

08383500 PECOS RIVER NEAR PUERTO DE LUNA, NM

LOCATION - Lat 34°43'48.3", long 104°31'29.68" referenced to North American Datum of 1983, Guadalupe County, NM, Hydrologic Unit 13060001, on left bank 9.0 mi southeast of Puerto de Luna, 17.5 mi upstream from Sumner Dam, and at mile 719.5.

DRAINAGE AREA - 3,970 mi². (approximate contributing area)

REVISIONS HISTORY - WSP 1512: 1939.

SURFACE-WATER RECORDS

PERIOD OF RECORD - April 1938 to current year.

GAGE - Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 4,311.34 ft above NGVD of 1929. Prior to Apr. 15, 1954, at datum 1.0 ft higher.

REMARKS - Water years 2014-2019; records good except for discharges greater than 1,000 ft³/s and estimated discharges, which are fair. Flow regulated by Santa Rosa Lake (station 08382810), 37.7 mi upstream, since Apr. 1980. Diversions for irrigation of about 10,280 acres, 1970 determination, upstream from station. Spring discharge from Blue Hole and Agua Negra upstream from station contributes a substantial inflow. Discharge represents inflow to Lake Sumner.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum flood since at least 1886 occurred June 2, 1937, when peak at Santa Rosa was 55,200 ft³/s, and peak inflow to Lake Sumner was about 75,000 ft³/s. Flood of July 24, 1895, was reported as "highest in 10 years." Other major floods occurred on June 9, 1903, Sept. 30, 1904, and May 1, 1914.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water years 1937-66, 1972 to current year.