WSP11391

• File Number: 8143.600.30.A
• Description: Arkansas River Compact - Jean S Breitenstein File
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 5/15/1944
• Title: Interstate Relations Under Patterson Plan for Operating Caddoa Reservoir
• Water Supply Pro - Doc Type: Report/Study

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MEMOI May 15. 1944

I

INTERSTATE RELATIONS UNDER PATTERSON PLAN

FOR OPERATING CADOOA RESERVOIR

Questions regarding the so-called Patterson plan for operating Cad-

doa reservoir end acb1linistering rights in the Arkansas River may be classified,

for purposes of discussion. in three categorieSI

(1) aaddoa Reser~. involving matters suoh as water losses due to
evaporation from reservoir surfaces. wastes of water or spills from the irri-

gation pool by reason of inadequate storage capacity at times of major floods

and periods of large runoff. depletions of storage oapacity by siltation,

whioh determine the useful life of the irrigation pool, and the benefits of

streaInflow regulation and water conservation under average conditions of _tel'

produotion. use and disposal. Suoh questions oan be answered only from de-

tailed reservoir operation studies. and are not included in this discussion~

(2) Local Arrangements. involving the l!elations between individual

appropriators in Water District 67. and between that group of water users

downstream from Caddoa and those upstream in Districts 14 and 17. which ar-

rangements involve understandings between the ov.ners of .......ter rights in the

Arkansas River in Colorado and the State administrative officials. all of

whioh are matters pr'oposed to be discussed at hearings later to be held. from

time to time. for that purpose.

(3) Interstate Relations. to the ~~"ent that suoh questions oan be
, ,

ans~red in advance of the completion of detaited reservoir operation studies,

are here inai'ter di sc Us s ed .

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