Colorado Code § 37-69-101

Arkansas River compact
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The general assembly hereby ratifies the compact
between the state of Colorado and the state of Kansas designated as the "Arkansas river
compact" signed in the city of Denver, state of Colorado, on the 14th day of December, A. D.
1948, by Henry C. Vidal, Gail L. Ireland, and Harry B. Mendenhall, commissioners for the state
of Colorado, and George S. Knapp, Edward F. Arn, William E. Leavitt, and Roland H. Tate,
commissioners for the state of Kansas, and approved by Hans Kramer, representative of the
United States of America. Said compact is as follows:
Arkansas River Compact
The state of Colorado and the state of Kansas, parties signatory to this compact
(hereinafter referred to as "Colorado" and "Kansas," respectively, or individually as a "state," or
collectively as the "states") having resolved to conclude a compact with respect to the waters of
the Arkansas river, and being moved by considerations of interstate comity, having appointed
commissioners as follows:
Henry C. Vidal, Gail L. Ireland, and Harry B. Mendenhall, for Colorado; and George S.
Knapp, Edward F. Arn, William E. Leavitt, and Roland H. Tate, for Kansas; and the consent of
the congress of the United States to negotiate and enter into an interstate compact not later than
January 1, 1950, having been granted by Public Law 34, 79th Congress, 1st Session, and
pursuant thereto the President having designated Hans Kramer as the representative of the
United States, the said commissioners for Colorado and Kansas, after negotiations participated in
by the representative of the United States, have agreed as follows:
Article I
The major purposes of this compact are to:
A. Settle existing disputes and remove causes of future controversy between the states of
Colorado and Kansas, and between citizens of one and citizens of the other state, concerning the
waters of the Arkansas river and their control, conservation and utilization for irrigation and
other beneficial purposes.
B. Equitably divide and apportion between the states of Colorado and Kansas the waters
of the Arkansas river and their utilization as well as the benefits arising from the construction,
operation and maintenance by the United States of John Martin reservoir project for water
conservation purposes.
Article II
The provisions of this compact are based on (1) the physical and other conditions
peculiar to the Arkansas river and its natural drainage basin, and the nature and location of
irrigation and other developments and facilities in connection therewith; (2) the opinion of the
United States supreme court entered December 6, 1943, in the case of Colorado v. Kansas (320
U. S. 383) concerning the relative rights of the respective states in and to the use of waters of the
Arkansas river; and (3) the experience derived under various interim executive agreements
between the two states apportioning the waters released from the John Martin reservoir as
operated by the corps of engineers.
Article III
As used in this compact:
A. The word "stateline" means the geographical boundary line between Colorado and
Kansas.
B. The term "waters of the Arkansas river" means the waters originating in the natural
drainage basin of the Arkansas river, including its tributaries, upstream from the stateline, and
excluding waters brought into the Arkansas river basin from other river basins.
C. The term "stateline flow" means the flow of waters of the Arkansas river as
determined by gauging stations located at or near the stateline. The flow as determined by such
stations, whether located in Colorado or Kansas, shall be deemed to be the actual stateline flow.
D. "John Martin reservoir project" is the official name of the facility formerly known as
Caddoa reservoir project, authorized by the Flood Control Act of 1936, as amended, for
construction, operation and maintenance by the war department, corps of engineers, later
designated as the corps of engineers, department of the army, and herein referred to as the "corps
of engineers." "John Martin reservoir" is the water storage space created by "John Martin dam".
E. The "flood control storage" is that portion of the total storage space in John Martin
reservoir allocated to flood control purposes.
F. The "conservation pool" is that portion of the total storage space in John Martin
reservoir lying below the flood control storage.
G. The "ditches of Colorado water district 67" are those ditches and canals which divert
water from the Arkansas river or its tributaries downstream from John Martin dam for irrigation
use in Colorado.
H. The term "river flow" means the sum of the flows of the Arkansas and the Purgatoire
rivers into John Martin reservoir as determined by gauging stations appropriately located above
said reservoir.
I. The term "the administration" means the Arkansas river compact administration
established under article VIII.
Article IV
Both states recognize that:
A. This compact deals only with the waters of the Arkansas river as defined in article III.
B. This compact is not concerned with the rights, if any, of the state of New Mexico or
its citizens 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 store 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 times 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 dam, as provided in this compact. The
maintenance of John Martin dam and appurtenance works may at times require the corps of
engineers to release waters then impounded in the conservation 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, reservoirs 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 III, 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.
Article 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 succeeding 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 succeeding October 31st. During said period, except when
Colorado water users are operating under decreed priorities as provided in paragraphs F and G of
this article, 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 up to 500 c.f.s., and Kansas may demand releases of water equivalent to that portion
of the river flow between 500 c.f.s. and 750 c.f.s., irrespective of releases demanded by
Colorado.
C. Releases of water stored pursuant to the provisions of paragraphs A and B of this
article shall be made upon demands by Colorado and Kansas concurrently or separately at any
time during the summer storage period. Unless increases to meet extraordinary conditions are
authorized by the administration, separate releases of stored water to Colorado shall not exceed
750 c.f.s., separate releases of stored water to Kansas shall not exceed 500 c.f.s., and concurrent
releases of stored water shall not exceed a total of 1250 c.f.s.: Provided, that when water stored
in the conservation pool is reduced to a quantity less than 20,000 acre-feet, separate releases of
stored water to Colorado shall not exceed 600 c.f.s., and separate releases of stored water to
Kansas shall not exceed 400 c.f.s., and concurrent releases of stored water shall not exceed 1,000
c.f.s.
D. Releases authorized by paragraphs A, B, and C of this article, except when all
Colorado water users are operating under decree priorities as provided in paragraphs F and G of
this article, shall not impose any call on Colorado water users that divert waters of the Arkansas
river upstream from John Martin dam.
E. (1) Releases of stored water and releases of river flow may be made simultaneously
upon the demands of either or both states.
(2) Water released upon concurrent or separate demands shall be applied promptly to
beneficial use unless storage thereof downstream is authorized by the administration.
(3) Releases of river flow and of stored water to Colorado shall be measured by gauging
stations located at or near John Martin dam and the releases to which Kansas is entitled shall be
satisfied by an equivalent in state line flow.
(4) When water is released from John Martin reservoir appropriate allowances as
determined by the administration shall be made for the intervals of time required for such water
to arrive at the points of diversion in Colorado and at the state line.
(5) There shall be no allowance or accumulation of credits or debits for or against either
state.
(6) Storage, releases from storage and releases of river flow authorized in this article
shall be accomplished pursuant to procedures prescribed by the administration under the
provisions of article VIII.
F. In the event the administration finds that within a period of fourteen days the water in
the conservation pool will be or is liable to be exhausted, the administration shall forthwith
notify the state engineer of Colorado, or his duly authorized representative, that commencing
upon a day certain within said fourteen day period, unless a change of conditions justifies
cancellation or modification of such notice, Colorado shall administer the decreed rights of water
users in Colorado water district 67 as against each other and as against all rights now or hereafter
decreed to water users diverting upstream from John Martin dam on the basis of relative
priorities in the same manner in which their respective priority rights were administered by
Colorado before John Martin reservoir began to operate and as though John Martin dam had not
been constructed. Such priority administration by Colorado shall be continued until the
administration finds that water is again available in the conservation pool for release as provided
in this compact, and timely notice of such finding shall be given by the administration to the
state engineer of Colorado or his duly authorized representative; provided, that except as
controlled by the operation of the preceding provisions of this paragraph and other applicable
provisions of this compact, when there is water in the conservation pool the water users
upstream from John Martin reservoir shall not be affected by the decrees to the ditches in
Colorado water district 67. Except when administration in Colorado is on a priority basis the
water diversions in Colorado water district 67 shall be administered by Colorado in accordance
with distribution agreements made from time to time between the water users in such district and
filed with the administration and with the state engineer of Colorado or, in the absence of such
agreement, upon the basis of the respective priority decrees, as against each other, in said
district.
G. During periods when Colorado reverts to administration of decree priorities, Kansas
shall not be entitled to any portion of the river flow entering John Martin reservoir. Waters of the
Arkansas river originating in Colorado which may flow across the state line during such periods
are hereby apportioned to Kansas.
H. If the usable quantity and availability for use of the waters of the Arkansas river to
water users in Colorado water district 67 and Kansas will be thereby materially depleted or
adversely affected, (1) priority rights now decreed to the ditches of Colorado water district 67
shall not hereafter be transferred to other water districts in Colorado or to points of diversion or
places of use upstream from John Martin dam; and (2) the ditch diversion rights from the
Arkansas river in Colorado water district 67 and of Kansas ditches between the state line and
Garden City shall not hereafter be increased beyond the total present rights of said ditches,
without the administration, in either case (1) or (2), making findings of fact that no such
depletion or adverse effect will result from such proposed transfer or increase. Notice of legal
proceedings for any such proposed transfer or increase shall be given to the administration in the
manner and within the time provided by the laws of Colorado or Kansas in such cases.
Article VI
A. (1) Nothing in this compact shall be construed as impairing the jurisdiction of Kansas
over the waters of the Arkansas river that originate in Kansas and over the waters that flow from
Colorado across the state line into Kansas.
(2) Except as otherwise provided, nothing in this compact shall be construed as
supplanting the administration by Colorado of the rights of appropriators of waters of the
Arkansas river in said state as decreed to said appropriators by the courts of Colorado, nor as
interfering with the distribution among said appropriators by Colorado, nor as curtailing the
diversion and use for irrigation and other beneficial purposes in Colorado of the waters of the
Arkansas river.
B. Inasmuch as the Frontier canal diverts waters of the Arkansas river in Colorado west
of the state line for irrigation uses in Kansas only, Colorado concedes to Kansas and Kansas
hereby assumes exclusive administrative control over the operation of the Frontier canal and its
headworks for such purposes, to the same extent as though said works were located entirely
within the state of Kansas. Water carried across the state line in Frontier canal or any other
similarly situated canal shall be considered to be part of the state line flow.
Article VII
A. Each state shall be subject to the terms of this compact. Where the name of the state
or the term "state" is used in this compact these shall be construed to include any person or entity
of any nature whatsoever using, claiming or in any manner asserting any right to the use of the
waters of the Arkansas river under the authority of that state.
B. This compact establishes no general principle or precedent with respect to any other
interstate stream.
C. Wherever any state or federal official agency is referred to in this compact such
reference shall apply to the comparable official or agency succeeding to their duties and
functions.
Article VIII
A. To administer the provisions of this compact there is hereby created an interstate
agency to be known as the Arkansas river compact administration herein designated as "the
administration".
B. The administration shall have power to:
(1) Adopt, amend and revoke by-laws, rules and regulations consistent with the
provisions of this compact;
(2) Prescribe procedures for the administration of this compact: Provided, that where
such procedures involve the operation of John Martin reservoir project they shall be subject to
the approval of the district engineer in charge of said project;
(3) Perform all functions required to implement this compact and to do all things
necessary, proper or convenient in the performance of its duties.
C. The membership of the administration shall consist of three representatives from each
state who shall be appointed by the respective governors for a term not to exceed four years. One
Colorado representative shall be a resident of and water right owner in water districts 14 or 17,
one Colorado representative shall be a resident of and water right owner in water district 67, and
one Colorado representative shall be the director of the Colorado water conservation board. Two
Kansas representatives shall be residents of and water right owners in the counties of Finney,
Kearny or Hamilton, and one Kansas representative shall be the chief state official charged with
the administration of water rights in Kansas. The President of the United States is hereby
requested to designate a representative of the United States, and if a representative is so
designated he shall be an ex officio member and act as chairman of the administration without
vote.
D. The state representatives shall be appointed by the respective governors within thirty
days after the effective date of this compact. The administration shall meet and organize within
sixty days after such effective date. A quorum for any meeting shall consist of four members of
the administration: Provided, that at least two members are present from each state. Each state
shall have but one vote in the administration and every decision, authorization or other action
shall require unanimous vote. In case of a divided vote on any matter within the purview of the
administration, the administration may, by subsequent unanimous vote, refer the matter for
arbitration to the representative of the United States or other arbitrator or arbitrators, in which
event the decision made by such arbitrator or arbitrators shall be binding upon the
administration.
E. (1) The salaries, if any, and the personal expenses of each member shall be paid by
the government which he represents. All other expenses incident to the administration of this
compact which are not paid by the United States shall be borne by the states on the basis of 60
per cent by Colorado and 40 per cent by Kansas.
(2) In each even numbered year the administration shall adopt and transmit to the
governor of each state its budget covering anticipated expenses for the forthcoming biennium
and the amount thereof payable by each state. Each state shall appropriate and pay the amount
due by it to the administration.
(3) The administration shall keep accurate accounts of all receipts and disbursements and
shall include a statement thereof, together with a certificate of audit by a certified public
accountant, in its annual report. Each state shall have the right to make an examination and audit
of the accounts of the administration at any time.
F. Each state shall provide such available facilities, equipment and other assistance as
the administration may need to carry out its duties. To supplement such available assistance the
administration may employ engineering, legal, clerical and other aid as in its judgment may be
necessary for the performance of its functions. Such employees shall be paid by and be
responsible to the administration, and shall not be considered to be employees of either state.
G. (1) The administration shall co-operate with the chief official of each state charged
with the administration of water rights and with federal agencies in the systematic determination
and correlation of the facts as to the flow and diversion of the waters of the Arkansas river and as
to the operation and siltation of John Martin reservoir and other related structures. The
administration shall co-operate in the procurement, interchange, compilation and publication of
all factual data bearing upon the administration of this compact without, in general, duplicating
measurements, observations or publications made by state or federal agencies. State officials
shall furnish pertinent factual data to the administration upon its request. The administration
shall, with the collaboration of the appropriate federal and state agencies, determine as may be
necessary from time to time, the location of gauging stations required for the proper
administration of this compact and shall designate the official records of such stations for its
official use.
(2) The director, U. S. geological survey, the commissioner of reclamation and the chief
of engineers, U. S. Army, are hereby requested to collaborate with the administration and with
appropriate state officials in the systematic determination and correlation of data referred to in
paragraph G (1) of this article and in the execution of other duties of such officials which may be
necessary for the proper administration of this compact.
(3) If deemed necessary for the administration of this compact, the administration may
require the installation and maintenance, at the expense of water users, of measuring devices of
approved type in any ditch or group of ditches diverting water from the Arkansas river in
Colorado or Kansas. The chief official of each state charged with the administration of water
rights shall supervise the execution of the administration's requirements for such installations.
H. Violation of any of the provisions of this compact or other actions prejudicial thereto
which come to the attention of the administration shall be promptly investigated by it. When
deemed advisable as the result of such investigation, the administration may report its findings
and recommendations to the state official who is charged with the administration of water rights
for appropriate action, it being the intent of this compact that enforcement of its terms shall be
accomplished in general through the state agencies and officials charged with the administration
of water rights.
I. Findings of fact made by the administration shall not be conclusive in any court or
before any agency or tribunal but shall constitute prima facie evidence of the facts found.
J. The administration shall report annually to the governors of the states and to the
President of the United States as to matters within its purview.
Article IX
A. This compact shall become effective when ratified by the legislature of each state and
when consented to by the congress of the United States by legislation providing substantially,
among other things, as follows:
Nothing contained in this act or in the compact herein consented to shall be construed as
impairing or affecting the sovereignty of the United States or any of its rights or jurisdiction in
and over the area or waters which are the subject of such compact: Provided, that the chief of
engineers is hereby authorized to operate the conservation features of the John Martin reservoir
project in a manner conforming to such compact with such exceptions as he and the
administration created pursuant to the compact may jointly approve.
B. This compact shall remain in effect until modified or terminated by unanimous action
of the states and in the event of modification or termination all rights then established or
recognized by this compact shall continue unimpaired.
IN WITNESS WHEREOF, the commissioners have signed this compact in triplicate
original, one of which shall be forwarded to the secretary of state of the United States of
America and one of which shall be forwarded to the governor of each signatory state.
Done in the city and county of Denver, in the state of Colorado, on the fourteenth day of
December, in the year of our Lord one thousand nine hundred and forty-eight.
Henry C. Vidal,
Gail L. Ireland,
Harry B. Mendenhall,
Commissioners for Colorado.
Attest:
Warden L. Noe, Secretary.
George S. Knapp,
Edward F. Arn,
William E. Leavitt,
Roland H. Tate,
Commissioners for Kansas.
Approved:
Hans Kramer,
Representative of the
United States.

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