2010-05-17_REVISION - M1996049 ‎(7)‎

• Permit No: M1996049
• IBM Index Class Name: REVISION
• Doc Date: 5/17/2010
• Doc Name: Adequacy Response Submittal
• From: Everist Materials, LLC
• To: DRMS
• Type & Sequence: AM1
• Email Name: ECS
• Media Type: D
• Archive: No

DEPARTMENT OF NATURAL RESOURCES
U
DIVISION OF WATER RESOUR UG 3 z°
Bill
Harris D. Sherman
Executive Director
Dick Wolfe, P.E.
July 30, 2009 Director/State Engineer
Mr. Gary D. Witt
Wright Water Engineers, Inc.
2490 West 26th Ave., Suite 100A
Denver, CO 80211
Re: Maryland Creek Ranch Substitute Water Supply Plan, DIVIG M96049
Sections 15, 22 and 23, T4S, R78W, 6th P.M.
Water Division 5, Water District 36, Summit County
Approval Period: August 1, 2009 through July 31, 2010
Dear Mr. Witt:
Thank you for your letter of September 7, 2007, requesting a renewal of the substitute
water supply plan for the Maryland Creek Ranch aggregate operation in accordance with Section
§37-90-137(11), C.R.S. The required fee for the substitute water supply plan was submitted under
Receipt No. 512330.
Consumptive Use
The anticipated net depletions for this plan include evaporation of exposed ground water,
water lost in product, water for dust control, truck and vehicle washing, CDOT asphalt production
and batch plant operations, domestic use, and water used for approximately 4 acres of landscape
irrigation (see Table 2 attached).
Net consumptive uses during the next year of mining operations are estimated to total
92.0 acre-feet. Table 2 provides a summary of monthly consumptive uses, including calculations
of lagged depletions. No phreatophyte credit has been applied to this plan.
Replacement Water
Replacement water to offset depletions is to be provided by consumptive use credits from
the dry-up of 95.5 acres historically irrigated by three ditches within the subject property, and
releases from storage from Green Mountain Reservoir and Dillon Reservoir.
The three ditches used to provide dry-up credits include the South Rock Creek Ditch, the
Old Whetstone/Sheep Creek Ditch and the McKay Ditch. This renewal request indicates that a
total of 95.5 acres of hay meadow historically irrigated by these water rights will be dried up and
permanently removed from irrigation. Use of these ditches and the approximate irrigated
acreages were confirmed by the District 36 Water Commissioner, Scott Hummer, and through a
review of an aerial photograph map and diversion records.
The renewal included a request to reconsider the historical consumptive use credits
available from the dry-up. However, the data necessary to use the Penman-Monteith method is
simply unavailable, and the results of the Jensen-Haise method are significantly higher than those
Office of the State Engineer
1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: [phone] o Fax: [phone]
www.water.state.co.us