USGS Water-Year Summary 2024

08328500 JEMEZ CANYON RESERVOIR NEAR BERNALILLO, NM

LOCATION - Lat 35°23'41", long 106°32'50" referenced to North American Datum of 1983, Sandoval County, NM, Hydrologic Unit 13020202, At corner of outlet works control tower of Jemez Canyon Dam on Jemez River, 2.8 mi upstream from mouth, and 6.0 mi north of Bernalillo.

DRAINAGE AREA - 1,034 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1953 to September 1965 (monthend storage), October 1965 to August 2015 (daily observations of storage), October 2017 to current year (gage height).

GAGE - Water-stage recorder with satellite telemetry. Datum of elevation is NGVD of 1929 (levels by U.S. Army Corps of Engineers).

COOPERATION - Storage records were provided by U.S. Army Corps of Engineers.

REMARKS - Reservoir is formed by earthfill dam, completed Oct. 19, 1953. Capacity, 275,723 acre-ft, from capacity table adapted Jan. 1, 1999, between elevations 5,125.0 ft, sill of outlet gates, and 5,274.6 ft, top of parapet wall. Maximum controlled capacity, 97,425 acre-ft at elevation 5,232.0 ft (floor of spillway, which is located about 0.8 mi south of dam). Capacity by original survey was 189,100 acre-ft. Original plan for reservoir operation was to desilt all flow above 30 ft³/s by storage for 1 day before releasing to Rio Grande, and for possible detention during flood stage on Rio Grande. U.S. Army Corps of Engineers satellite telemetry at station.

Reservoir Capacity Table
based on survey by U.S. Army Corps of Engineers in 1998
(Elevation in feet, capacity in acre-feet )
Elevation  Contents     Elevation  Contents
5,180     8,650       5,190     17,360
5,185    12,800       5,195     23,220