2012-06-26_GENERAL DOCUMENTS - M2000041

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Map ID No. Permit No. Owner Active/ Inactive Well Depth (ft) Static Water level (ft) Pump Rate (gpm) Current Status 1405131 10555 -R Excelsior Irrig Co Active 45 15 1000 Permit Expired 1405132 10554 -R Excelsior Irrig Co Active 45 16 1000 Well Constructed 1405133 10557 -R Southwest Ready Mix Inc Inactive 45 20 700 Well Abandoned 1405134 11369 -R Nix Howard Inactive 46 15 1050 Well Constructed 1405135 11368 -R Southwest Ready -Mix Inc Inactive 48 17 650 Well Constructed 1405208 53051 -F Southwest Ready -Mix Inc Active 38 13 580 Well Constructed DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866 -3567 FAX: (303) 832 -8106 June 26, 2012 Mr. John Sliman Southwest Farms Inc. 214 39 Lane, Highway 96 East Pueblo, CO 81006 Re: Response to Depleting Water Table Complaint Evans #2 Pit, Permit No. M- 2000 -041, Dear Mr. Sliman: Office of Mined Land Reclamation STATE OF COLORADO COLORADO DIVISION OF RECLAMATION MINING — &— SAFETY John W. Hickenlooper Governor Mike King Executive Director Loretta Pineda Director The Division of Reclamation, Mining and Safety (DRMS) has investigated the complaint stated in your letter dated June 4, 2012, but not received by the DRMS until June 15, 2012. The subject letter referenced discussions with a local engineer and the local Division of Water Resources in Pueblo indicating that the dewatering operations at the Evans #2 pit appear to be the cause of the low water table from which your pumps draw water. Indications are that this problem began relatively recently. Based on the map you emailed to DRMS and subsequent telephone conversations, the DRMS obtained the following information on the wells in question from the Colorado Division of Water Resources website: All of the above wells listed irrigation as the permitted use. The only well with a geologic log was 53051 -F. The log indicated shale was encountered from 31 to 36 feet below ground and that the well is completed in the shale. The DRMS interviewed representatives of the Evans #2 Pit (Mr. John P. Ary and Denise Gonzales) about current pit operations. The DRMS did not perform a site inspection as the site was inspected recently on February 1, 2012. Mr. Ary indicated their dewatering operations have not changed since the inspection, nor since Fremont Paving & RediMix, Inc. began operating the site in 2006, except they are not currently washing the aggregate and are therefore using less water. The DRMS reviewed the Evans #2 pit mine plan. Core drill reports referenced in the mine plan indicate there is 8 to 12 feet of overburden and the aggregate depth ranges consistently from 20 to 25 feet thick. Using the Office of Denver • Grand Junction • Durango Active and Inactive Mines