18b ‎(2)‎

• Board Meeting Date: 11/18/2007
• Description: CF Section – Referred Non-Reimbursable Investments - Purgatoire River Water Conservancy District/CWCB Water Supply Protection Section - Purgatoire River Channel Capacity Improvements
• Board Meetings - Doc Type: Memo

Non-Reimbursable Application - CWCB Construction Fund
Form Revised June 2006
3. Pro~~ide a brief description of your organization below:
The PRWCD is created pursuant to Colorado statutes to manage the irrigation components of
the Trinidad Project and also provides leadership on regional watershed issues.
'art B. -Description of the Project or Study
1. Name of the study or project: Purgatoire River Channel Capacity and Improvement Study
2. What is the purpose of this grant application? Check one.
x Study
Demonstration project.
Rehabilitation or
replacement of existing
Other (Please describe)
3. General location of the study or demonstration project. (Please include county, and approximate distance
and direction from the nearest town):
Las Animas County from Trinidad Reservoir, downstream approximately 15 miles, including
the City of Trinidad.
4. Please provide a brief narrative description of the proposed study or demonstration project including
purpose, need, and service area. (Attach scope of study, if available)
Since the construction of Trinidad Reservoir the river channel below the reservoir has
degraded reducing the ability to safely pass high volume flows required by downstream water
rights, including those Arkansas River Compact. This study will determine the current safe
flow capacity of the channel, and in Phase 2 recommend additional studies and work
necessary to restore the channel to historical capacity. Trinidad Reservoir will be
administered consistent with this channel capacity. There is the potential for riparian
restoration work, including Tamarisk and Russian Olive control as part of the work needed to
restore the channel capacity.
2