WSP10795

• File Number: 8220.105.LJ
• Description: Navajo Reservoir
• State: NM
• Basin: San Juan/Dolores
• Date: 6/22/1982
• Title: San Juan River Water Supply Availability to New Mexico and Existing-Authorized and Prospective Uses
• Water Supply Pro - Doc Type: Report/Study

entitlement.

.

Article IV{b)

of

that Compact pr~ides as follows:

(b) If any state or states of the upper division,

in the ten years immediately preceding the water

year in which curtailment is necessary, shall

have consumptively used more water than it was

or they were, as the case may be, 'entitled to

use under the apportionment made by Article III

of this compact, such state or states shall be

required to supply at Lee Ferry a quantity of

. I
water equal to its, or the aggregate of their,

overdraft or the proportionate part of such

overdraft, as may be necessary to assure com-

pliance with Article III of the Colorado River

Compact, before demand is made on any other

state of the upper division;

The risk of over-committing San Juan River water should be

considered. For example, if New Mexico would use water at a rate of

727,000 acre-feet annually for 10 years and it was then determined

that the State's share was only 700,000 acre-feet for the same period,

a deficit of 270,000 acre-feet would have to be made up out of New

Mexico uses in a short period of time, possibly, but not likely,

in one year.

Conclusion

In the worst possible case, it might be determined that:

1) no salvage by use will result from depletion

by beneficial use in New Mexico;

2) depletion by NIIP will amount to 254,000

acre-feet annually;

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