WSP09626

• File Number: 8111.600
• Description: ARCA Annual Reports
• Basin: Arkansas
• Date: 12/12/1972
• Author: ARCA
• Title: Twenty-Fourth Annual Report Arkansas River Compact Administration for the Year 1972
• Water Supply Pro - Doc Type: Annual Report

There are earthen wing dams on either side of the main dam, The north
wing dam is 3,880 feet long, connecting to the earthfill 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-surfaced 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13,945
Maximum height above streambed, feet."..... .....,..... 118
Width of roadway on dam, feet .'. . . . . . . . . . . . . . . . . . 21

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

OUTLET WORKS
Sluicing conduits, 6' x 71/2' . . . . . . . , . . . . . _ . . . . . . . . . . . . . . . . . . . .4
Regulating conduits, 4' x 4' ......... _..' . " .... ... .?

RESERVOIR
Capacity, aue.feet . . . . . . . . . . . . . . . . . . _ : . . . . . . _ . . : 618,600
Flood control storage, aefe.feet .... _...................261,000
Conservation (irrigation) and recreation storage, .
acre-feet .......... _ . . . . . . . . . : . . . . . . . . . . . . . . . . . . 357,600
Water surface at spillway. crest, acres... ....... ... ".... _. g',OOO
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. . . . d' . . . . . . . . . . '.' . . . . . . . . .. ~8,915

A lfz.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 the 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 diversion of
the water of the Arkansas River anti" to the operation and
siltation of John Martin Reservoir and other related
structures. Article VIII G (2) requests the Director o{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 this report the Administration
has received excellent cooperation from all agencies
referred to in the foregoing provisions of the Compact. The

I
1---

-7-