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RICHARD D. LAMM • ~'~~- • <br />Governor ~ ~~~~ ~~~ <br />s 7870 r <br />DIVISION OF WATER RESOURCES <br />Department of Natural Resources <br />1313 Sherman Street -Room 818 <br />Denver, Colorado 60203 <br />Administration (303) 839-3581 <br />Grountl Water (303)839-3587 <br />May 14, 1979 <br />MEMORANDUM <br />State Engineer <br /> <br />h+l AY 1 4 1979 <br />h`~`-i~ LAND RECt_AMATION <br />Cow. Uept. of Natural Resources <br />TO: HARRIS SHERMAN, SECRETARY, MINED LAND RECLAMATION BOARD <br />FROM: HAL D. SIMPSON, CHIEF, WATER MANAGEMENT BRANCH <br />FOR: DR. JERIS A. DANIELSON, DEPUTY STATE ENGINEER <br />SUBJECT: LAKEWOOD BRICK & TILE -CHURCH PIT, JEFFERSON COUNTY, <br />APPLICATION FOR MINING AND RECLAMATION PERMIT <br />As requested by your office, we have reviewed the application for a clay pit <br />on Rocky Flats. This pit does not appear to have a significanteffect on water <br />resources. We do, however, question the statement on page 14 of Exhibit E <br />that "then? is no water except that from snow or rain that has fallen directly <br />into the pit" . There are two irrigation ditches located within 100 feet of the <br />edge of the north pit. These ditches have been constructed in the Rocky Flats <br />Alluvium, a permeable sandy gravel. The applicant has failed to consider <br />either the effects of the pit on the ditches through increased seepage losses <br />or the effects of the ditches on the pit through the contribution of seepage to <br />increased pit water. The applicant should evaluate these effects prior to <br />Board approval of the permit. <br />Hal D. Simpson <br />HDS:SSH:mvf <br />cc: Jim Clark, Div. Eng. <br />