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~~~~~~ <br />5 ~ STATE OF COLORADO <br />OFFICE OF THE STATE ENGINEER <br />Division of Water Resources <br />Department of Natural Resources <br />1313 Sherman Street, Room 818 <br />Denver, Colorado 80203 <br />Phone (303)866.3581 <br />FAX (303)866-3589 <br />httpa!www. water. state.co. us <br />Michelle Austin, Water Resource Specialist <br />Applegate Group, Inc. <br />1499 W. 120'" Avenue, Suite 200 <br />Denver, CO 80234-2759 <br />RE: Rich Pit Substitute Water Su ply Plan, <br />SE'/. Sec. 34, T20S, R63W, 6 h P.M. <br />NWY+ Sec. 2, T21S, R63W, 6`" P.M. <br />Well Permit no. 45995-F <br />Water Division 2, Water District 14 <br />Expiration Date: March 31, 2008 <br />Dear Ms. Austin: <br />February 8, 2007 <br />,/ <br />M-85-218 <br />~Ee o s zoos <br />Division of Rec>;=~ ~~noq <br />Mining and Safety <br />OF'CO/p <br />Nye ;~~>8 <br />•.. r.~+ <br />'~~#~ <br />re'!6. <br />Bill Ritter, Jr. <br />Governor <br />Hams D. Sherman <br />Executive Director <br />Hal D. Simpson, P.E. <br />State Engineer <br />We have received your July 27, 2006 request for renewal and amendment of the Rich . <br />Pit substitute water supply plan on behalf of Lafarge West, Inc. The required $217 fee has <br />been paid. <br />PLAN OPERATION <br />The Rich Pit has been inactive since 2001 and will remain inactive during this plan year. <br />Ponds created from previous mining activities under this plan cause stream depletions during <br />the inactive period due to evaporation. This renewal covers pond evaporation from the Active <br />Pit (16.4 exposed acres), the Unused Wash Pond (0.5 acres), and the Old Aggregate Sales <br />Area (0.6 acres). You report that the Inactive Pit does not contain any water and will not <br />generate depletions. An existing well, permit no. 10558-R (well ID 1405128), is being added to <br />this plan for sanitary and miscellaneous purposes. <br />Description IDENT No. Location <br />Inactive Pit 1406466 NW1/4 Sec . 2 <br />Active Pit 1406470 SE1/4 Sec. 34 <br />Old Aggregate Sales Area 1406469 NE1/4 Sec. 33 <br />Unused Wash Pond 1406011 SE1/4 Sec. 33 <br />Well No. 10558-R 1405128 NE1/4 Sec. 33 <br />DEPLETIONS <br />During the April 1, 2006 through March 31, 2007 plan year, the site excavations may <br />expose a maximum total of 17.5 acres of ground water. You have also performed a depletion <br />analysis based upon the net replacement obligation and the aquifer characteristics to show the <br />lagged depletion schedule to the Arkansas River, as presented in your Table 3. The total <br />