WSP09530

• File Number: 8111.600
• Description: ARCA Annual Reports
• Basin: Arkansas
• Date: 12/11/1973
• Author: ARCA
• Title: Twenty-Fifth Annual Report Arkansas River Compact Administration for the Year 1973
• Water Supply Pro - Doc Type: Annual Report

I.

There are earthen wing dams on either side of the main dam. The north
wing dam is 3,880 feet long, connecting to the earth fill structure of the
main dam at the north abutment. The south wing dam is 5,807 feet
long and connects to the south end of the concrete structure of the
main dam. A bituminous-sur1aced roadway, 21 feet wide, extends along
the crest of the north wing dam. main dam, and south wing dam. The
overall length of the structure is 2.6. miles. Detailed project data are
shown below.

DAM
Total length, feet. . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .
Maximum height above streambed. feet. . . . . . . . . . . . . . . . . .
Width at roadway on dam, feet ........................

13,945
118
21

SPILLWAY
Total length, including piers, feet. . . . . . . . . . . . . . . . . . . . . . . 1,174
Crest g.tes, 30' x 64' ................................ 16
Discharge capacity, cubic feet per second. . . . . . . . . . . . . . . . . 639,200

OUTLET WORKS
Sluicing conduits, 6' x 7 ill' .. . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Regulating conduits, 4' x 4' ........................... 2

I~:-

RESERVOIR
Capacity, acre-feet. . . . . . . . . . . . . . . . . .". . . . . . . . . . . . . . . .618,600
Flood control storage, acre.feet ........................261,000
Conservation (irrigation) and recreation, storage,
acre.feet ...........,.....,..,............ '. . . . 35] ,600
Water surface at spillway crest. acres ...... _ . . . . . . . . . . . ., 9,000
Water surface at top of conservation pool, acres. . . . . . . . . . .. 11,800
Water surface at top of flood control pool, acres. . . . . . . . . .. 17,900
Drainage area, square miles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,915

A Ih-mile of the historic Santa Fe Trail north of the reservoir has
been inclosed by a fence. An appropriate sign perpetuates this bit of
Americana for posterity.

7. Cooperative Studies and Activities

(a) Article VIII G (1) of Arkansas River Compact requires the
Administration to cooperate with the Chief Official of each
of the states of Colorado and Kansas charged with the
administration of water rights in their respective States, and
with the Federal agencies in systematically determining and
correlating the facts pertaining to the flow and dil/ersion of
the water of the Arkansas River and to the operation and
siltation of John Martin Reservoir and other related
structures. Article VIII G (2) requests the Director of the
United States Geological Survey. the Commissioner of the
United States Bureau of Reclamation, and the Chief of the
Engineers. United States Army, to cooperate and
collaborate with the Administration and with appropriate
State officials in such determinations and correlations of
stream flow and related data. Under the By-Laws of the
Administration, these cooperative studies and activities are
assigned to the Engineering Committee of the
Administration.
(b) During the year covered by thi~ report the Administration
has received excellent cooperation from all agencies
referred to in the foregoing provisions of the Compact. The

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