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.. . i # • Page 2 June 11, 1999 did not represent tnrthful and acauate reporting but have further complicated the process due to errors. Because a lake creation concept does not represent any component of the existing redamation plans, permits, or applk~tions, it wartards no further response at this time. 2. Concerning Mr. Hayes comments on the well on site: The well that has been placed on the property, applied for, and approved by the permit pnxess of the Colorado Division of Water Resources is located in the lowest northern comer of the gravel pd permit area. The well permit was approved in the early to mid 19805. It is constructed as an shallow open well seated by sinking a 4 foot diameter metal culvert pipe into the existing gravel strata near currently running springs which run year round. The depth of the well is approximately 14 feet. Water level as of this date is 10 feet from surface. It is hydraulically part of the spring systems which run year round in the small draw d is located in. These springs are primarily fed by subsurface return flow from the existing irtigated properties in the immediate region. Some flaw obviously also tames from percolated melted snow and rain off the upslope wildlife areas of Beehive mountain. Primary use of the water will be to fill tanker trades and control dust on the pit roads. This is not expected to be a substantial water use. The stream that it is connected to within the regional water systems is Plateau Creek As such it is considered by permit to be within the normal River qll system as monitored and administered by the Division Water Engineer in Glenwood Springs. It is the opinion of this engineer that it would not adversely affect any flows to the Plateau Creek Drainage due to the extremely small withdrawals planned for the gravel operation. 3. Concerning Mr. Hayes comments on Plateau, Coon, and Bull creek drainages: The well and the surrounding region of the permit does not drain to the Coon seek drainage lopted over one mile to the west or the Bull Creek drainage over 3 miles to the east . Waters from both of these small creek systems would he potential sources of the irigation subsurface return Flows that feed this well however, its location is such that these waters are not recoverable return flaws by the time that they reach this well location. Aside from irtigation water sources imported into the drainage, there are no potential hydraulic links to either of these two stream systems. The topography of the region is such that there are hydraulic boundaries on troth the west and east side before reaching these stream systems. Since it is such a shallow open well design d with suds low water usage, it is the perspective o(this engineer that there would be no adverse effects of water use from this well on any water rights owners or well users in the region. 4. Cortceming Mr. Duzenadc's comments on well drawdowns in the area: As discussed in response number 2 above, the well use, location, and hydraulic characteristics should not have any affect on surounding landowner wells. All wells are considerably upslope and suffidently far from the site to not have appredable drewdown effects from any well located at this elevation and distance from the other wells. The well in the gravel pd has been in existence since the mid eighties and would be better termed a spring box protection device. The well waters are actually spring waters ponded prior to their release to the surface stream. It is the assessment of this engineer that the water withdrawals from this site will not ef6sd any wells in the region. These comments reflect a review of the hydrologic, hydraulic, and geologic conditions of the site of the Nichols Gravel Pit K arty further response is needed, please feel free to contact me at (970)26&5414. Thank you. Sincerely, Dr. R. Cre~g Woodnng, P.E. Ph.D. Civil Ertgineerirg Cdoredo Professional Engineer License Number 24812