WSP03154

• File Number: 8510.100.60
• Description: Rio Grande Compact Commission
• Basin: Rio Grande
• Water Division: 3
• Date: 1/1/1950
• Title: Twelfth Annual Report of the Rio Grande Compact Commission 1950
• Water Supply Pro - Doc Type: Annual Report

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VATER SUPPLY

The year 1950 ~as one more in a series of abnormally dry
years that has continued, ~ith one exception, since 1942. As
a result of the accumulated deficiency, the annual run-off at
Oto~i Bridge, adjusted for the operation of El 1ado Reservoir,
~as the lo~est of record; also the nine year accumulated flow
at Oto~i is the lo~est of any other such period since 1892.

Accuracy of Records

The Rules end Regulations of the Commission state that the
equipment, method, end frequency of measurements at each gaging
station shall be sufficient to obtain records at least equal in
accuracy' to those classified as "good" by the U.S. Geological
Survey. Within the physical limitations of stream gaging the
agencies obtaining the records at Compact gaging stations has
complied ~ith these regulations.

Each station description includes a statement concerning the
accuracy of that record. "Excellent" indicates that, in general,
the daily records are accurate within 5 percent; "good", ~ithin
10 percent; "fair", within 15 percent; "poor", 16 or greater
percent. These stendards of accuracy are the same as those follo~-
ed by the U. S. Geological Survey.

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Ackno~ledgement.

The ~ater supply data contained in this report have been
furnished by various Federal and State Agencies.

The office of the State Engineer of Colorado furnished re-
cords of discharge for the follo~ing:

Rio Grande near Del Norte, Colorado
Rio Grende near Lobatos, Colorado
Conejos River near Mogote, Colorado
Conejos River near Los Sauces, Colorado
San Antonio River at Ortiz, Colorado
Los Pinos River near Ortiz, Colorado

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Records of Trensmountain Diversions and of storage in
Reservoir No.2, Squaw Lake, and Fuchs Reservoir ~ere
by the office of the State Engineer of Colorado.

Troutvale
al so suppli ed

The U.S. Geological Survey supplied the reoord for Rio Grande
below Elephant Butte Dam and, in cooperation ~ith the Ne~ Mexico
Interstate Streams Commission, also furnished the follo~ing re-
cords:

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Rio Grande at Oto~i Bridge near San Ildefonso, New Mexico

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