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HYDRO24202
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Entry Properties
Last modified
8/24/2016 8:44:22 PM
Creation date
11/20/2007 4:29:08 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1979195
IBM Index Class Name
Hydrology
Doc Date
1/17/2002
Doc Name
REQUEST FOR SUBSTITUTE WATER SUPPLY PLAN FOR SUBURBAN SAND AND GRAVEL ROAD RUNNERS II GRAVEL PIT DMG
From
OFFICE OF THE STATE ENGINEER
To
ENVIRONMENT INC
Media Type
D
Archive
No
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_ ~ <br /> <br /> <br />• <br />;; ;,,; ~F COLORADO <br />OFFICE OF THE STATE ENGINEER <br />Division of Water Resources <br />Department of Na[ural Resources <br />1313 Sherman Street, Room 81 B <br />Denver, Colorado 80203 <br />Phone (303) 866-3581 <br />FAX (303) 866-3589 <br />www.water.state.co.us <br />Mr. Steven L. O'Brian <br />Environment, Inc. <br />7985 Vance Drive <br />Suite 205A <br />Arvada, CO 80003 <br />111 ^1~~1999.. oe~cot <br />w. °r~ <br />Fe <br />O <br />~~ <br />~ ~BP6 <br />January 17, 2002 <br />Re: Request for Substitute Water Supply Plan for <br />Suburban Sand & Gravel <br />Road Runners II Gravel Pit <br />DMG # M-79-195 <br />Dear Mr. O'Brian: <br />We have reviewed your letter of November 29, 2001 requesting a substitute <br />water supply plan for the above referenced existing and operating gravel pit. We have <br />some concerns that preclude the completion of our review. <br />eJl Owens <br />Governor <br />Greg E. Walther <br />Executive Director <br />Hal D. Simpson, P.E. <br />State Engineer <br />Specifically, you have claimed a "dry up credit" for 75-acres of land that was <br />previously under a lake surface. This area has been dried up via dewatering for <br />purposes of mining the area and a 25-acre lake is currently maintained at the pit site for <br />operational needs. As noted on page 2, item 4 of your November 29, 2001 letter, <br />"...after correcting the dry up credits using the correct monthly precipitation on the 75 <br />acres offsets the evaporation debits from the 25 acre lake for all but the 4 prime irrigation <br />months in the summer." <br />This office interprets C.R.S. 37-92-305 (copy attached) as stating the only dry up <br />credit available to be applied against the evaporation of a water surface is for that area <br />beneath the water surface, in this case, 25 acres. We have consistently taken the <br />position the dewatering an area does not imply any dry up credit for that dewatered area <br />can be applied or taken elsewhere on the gravel pit site. <br />- - -Alse; in accordance w}tkt i ter., no,^;ber 8 of-the general guideGnesfer substitute- - <br />water supply plans, sufficient replacement water must be secured in case the dewatering <br />pumping fails and the pit fills with groundwater. The act of dewatering does not <br />eliminate that potential replacement requirement. <br />You are hereby requested to modify your substitute water supply plan request to <br />include replacement water for any operational mining requirements, (i.e. dust control, <br />water lost in product for example) and reserve sufficient replacement water for 1 year, <br />should the dewatering system fail. <br />
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