WSP07251

• File Number: 8143.600.10.A
• Description: John Martin Reservoir - Operation Studies
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 12/1/1981
• Author: Zorich/Spronk Assoc
• Title: Analysis of John Martin Reservoir Operation
• Water Supply Pro - Doc Type: Report/Study

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Page 22

B. This compact is not concerned with the rights, if any,
of the state of New Mexico or its r.itizens in and to the use in
New Mexico of waters of Trinchera creek or other tributaries of the
Purgatoire river, a tributary of the Arkansas river.

C. (1) John Martin dam will be operated by the corps of
engineers to stare and release the waters of the Arkansas river in
and from John Martin reservoir for its authorized purposes.

(2) The bottom of the flood control storage is presently
fixed by the chief of engineers, U. S. Army, at elevation 3,851
feet above mean sea level. The flood control storage will be operated
for flood control purposes and to those ends will impound or regulate
the streamflow volumes that are in excess of the then available
storage capacity of the conservation pool. Releases from the flood
control storage may be made at t1mes and rates determined by the
corps of engineers to be necessary or advisable without regard to
ditch diversion capacities or requirements in either or both states.

(3) The conservation pool will be operated for the benefit
of water users in Colorado and Kansas, both upstream and downstream
from John Martin darn, as provided in this compact. The maintenance
of John Martin dam and appurtenance work.s may at times require the
corps of engineers to release waters then impounded' in the conserva-
tion pool or to prohibit the storage of water therein until such
maintenance work is completed. Flood control operation may also
involve temporary utilization of conservation storage.

D. This compact is not intended to impede or prevent future
beneficial development of the Arkansas river basin in Colorado and
Kansas by federal or state agencies, by private enterprise, or by
combinations thereof, which may involve construction of dams,
'rese~voirs and other works for the purposes of water utilization and
control, as well as the improved or prolonged functioning of existing
works: Provided, that the waters of the Arkansas river, as defined
in article Ill, shall not be materially depleted in usable quantity
or availability for use to the water users in Colorado and Kansas
under this compact by such future development or construction.

ART! ClE V

Colorado and Kansas hereby agree upon the fOllowing basis of
apportionment of the waters of the Arkansas river:

A. Winter storage in John Martin reservoir shall commence on
November 1st Of each year and continue to and include the next suc-
ceeding March 31st. During said period all water entering said
reservoir up to the limit of the then available conservation capacity
shall be stored: Provided, that Colorado may demand releases of
water eqUivalent to the river flow, but such releases shall not
exceed 100 c.f.s. (CUbic feet per second) and water so released shall
be used without avoidable waste.

B. Summer storage in John Martin reservoir shall commence on
April 1st of each year and continue to and include the next succe-
eding October 31st. During said period, except when Colorado water
Users are operating under decreed priorities as provided in para-
graphs F and G of this article, all water entering said reservoir

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