USGS Water-Year Summary 2024

09428500 COLORADO RIVER INDIAN RESERVATION MAIN CANAL NEAR PARKER, AZ

LOCATION - Lat 34°10'04", long 114°16'33" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.31, T.10 N., R.19 W., La Paz County, AZ, Hydrologic Unit 15030104, site has two gages. Forebay gage, on left wall of canal intake, 90 ft upstream from diversion gates at Arizona end of Headgate Rock Dam. Tailrace gage, on right bank of canal 250 ft downstream from gates. Both gages are on Colorado River Indian Reservation 1.7 mi northeast of Parker and 14 mi downstream from Parker Dam. Gila and Salt River meridian.

REVISIONS HISTORY - WSP 1513: 1915-36.

SURFACE-WATER RECORDS

PERIOD OF RECORD - January 1915 to current year (prior to January 1937, fiscal year diversions only; January 1937 to September 1954, monthly diversions only).

GAGE - Water-stage recorders above and below intake gates to record head, and recorder to show gate openings. 

Datum of gage is 302.47 ft above NAVD of 1988

COOPERATION - Log of canal intake gate opening (supplementary record) furnished by Bureau of Indian Affairs.

REMARKS - Record good except for estimated days which are fair. Daily diversions computed on basis of head on intake gates and gate openings. Records show water diverted to project and surface return flows to Colorado River through four wasteways and drains: 09428505, 09428510, 09429030, and 09429070. Two of these are equipped with water-stage sensors and the other two are equipped with Acoustic Doppler Velocity Meters (ADVMs) with integrated stage sensors.

EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 1,950 ft³/s July 24, 1992; no flow at times in most years.