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Blatchley Associates, Inc./Consulting Engineers
Water Resources • Water Rights • Ground Water Hydrology • Environment & Geology Engineering
2525 South Wadsworth Boulevard, #306
Denver. Colorado 80227
(303) 989-6932
FAX (303) 989-9446
February 17, 2005
Mr. Dana Duthie
Donala Water & Sanitation District
15850 Holbein Drive
Colorado Springs, CO 30921
Re: Denver Basin Non-tributary Ground Water Rights
Dear Mr. Duthie:
I am writing to determine your interest in the decreed ground water rights in the Dawson, Denver, Arapahoe and Laramie-Fox Hills aquifers which are adjacent to your filing in the Division 2 Water Court, Case No. 04CW22. It is the balance of water rights not obligated underneath Bent Tree Subdivision. These water lights would provide significant future water supplies for the District. I have included a location map of the subdivision for your reference. Right-of-way for pipelines and wells has been provided for in the platting of Bent Tree.
The unencumbered water rights for the Denver, Arapahoe and Laramie-Fox Hills were decreed in Water Division 2 Water Court in Case No. 82CW295. The Dawson Aquifer was decreed non-tributary in Water Division 1 Water Court Case No, W-8269-76. A small part of the Dawson and Denver aquifers are committed to the Great Divide Water Company for plans for augmentation.
According to my calculations, the following amounts of non-tributary ground water are available for direct use or augmentation:
| Aquifer |
Decreed Annual Amount |
| Dawson-Arkose@ |
101 ac-ft |
| Denver* |
463 ac-ft |
| Arapahoe** |
420 ac-ft |
| Laramie-FH |
224 ac-ft |
| Total |
1,208 ac-ft |
@ 101 ac-ft of this aquifer is available for sale which is the balance of the appropriation of 121 ac-ft; the balance has been committed to the Great Divide Water Company.
* Colorado Division of Water Resources has approved the increase of the 1982 decreed amount to 494 ac-ft on the basis of the Denver well drilled on Bent Tree; the balance of the water has been committed to Great Divide Water Company for various plans of augmentation.
**Subject to approval by the Colorado Division of Water Resources and the Water Court. The 1982 decreed amount is subject to adjustment when a well is drilled and logged. The estimate is based on Arapahoe aquifer data in the region.
If you have any interest, I will be glad to provide additional details of the water rights. I will call next week to discuss the District's interest.
Sincerely,
Blatchley.Associates, Inc.
Ronald K Blatchley, P.E., C.C.E
cc:
R. Burns Moore
Doug Barber
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