WSP07307

• File Number: 8142.100
• Description: Trinidad Project - Studies - Operation Studies
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 1/1/1996
• Author: CWCB
• Title: Trinidad Background Info Notebook Part 3
• Water Supply Pro - Doc Type: Report/Study

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OPERATING PRINCIPLES }~ 0."", VW>.- 'T 1-4"LI.\I%
TRINIDAD DAM AND RESERVOIR PR~JECT ('''''- S,C~Vh.L '" bOfi-.
AMENDED 1997

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Preamble;~('c-d ?c....Jz-" {C::J- '(
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The Trinidad Dam and Reservoir Project as reported in House Document No. 325, 84th
Congress, 2d Session, and as authorized by the Flood Control Act of 1958, will be operated in
such a manner as to secure the greatest practicable benefits from the regulation and use of the
flows of the Purgatoire River consistent with the laws and policies of the State of Colorado and
of the United States including the Arkansas River Compact. The objectives and principles
governing the operation of the Trinidad Dam and Reservoir Project to secure such benefits are
contained within the following articles.

Article 1-
Article II-
Article III -
Article IV -
Article V -
Article VI -

OBJECTIVES
DEFINITION OF TERMS
FLOOD CONTROL
IRRIGATION, MUNIGIPAL ANQINDUSTRIAL
FISHERY AND RECREATION '
REVIEW AND AMENDMENT

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Article I - OBJECTIVES

The operation of the Trinidad Dam and Reservoir involves the regulation of the flows of
the Purgatoire River for flood control, irrigation use, 'ill!ni~jp~1 an<!in<!u~tJjal use and recreation,
including a permanent fishery pool. The project plan provides for:

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I. Control of floods originating above the reservoir for benefit of the City of
Trinidad and downstream reaches.

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2. Optimum beneficial use of the available water for irrigation and mtmi.Qipat!!J:1d
indtlstri!!l.ll~.t;UnJJ.lpi~ip..l!l and illll.~!.ria.Las.herei!lafter abbr.eyjate.d.M&I) within the project area
consistent with the protection of downstream non-project rights as set forth in House Document
No. 325, 84th Congress, 2d Session, which provides:

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(a) Transfer of the storage decree of the Model Land and Irrigation Company
for 20,000 acre-feet annually from the present site to the proposed Trinidad Reservoir.

(b) Storage in the Trinidad Reservoir of flood flows originating on the
Purgatoire River above the dam which would otherwise spill from John Martin Reservoir.

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(c) Storage in Trinidad Reservoir of the winter flows of the Purgatoire River ,/
historically diverted for winter irrigation of project lands.

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