2014-03-19_HYDROLOGY - M1979097

• Permit No: M1979097
• IBM Index Class Name: HYDROLOGY
• Doc Date: 3/19/2014
• Doc Name: Substitute water supply plan
• From: Division of Water Resources
• To: Applegate Group, Inc.
• Email Name: ECS
• Media Type: D
• Archive: No

DEPARTMENT OF NATURAL RESOURCES
DIVISION OF WATER RESOURCES
Mr. Jared Dains
Applegate Group, Inc.
1490 West 1211h Ave., Suite 100
Denver, Colorado 80234 -2728
March 19, 2014 John W. Hickenlooper
Governor
Mike King
Executive Director
Dick Wolfe, P.E.
Director /State Engineer
RE: East Rigden Pit Substitute Water Supply Plan, M -79 -0_97 (WDID 0302570)
Section 28, T7N,R69_ W, _ 6th P.M.
Water Division 1, Water District 3, Larimer County RECEIVEn
Approval Period: March 1, 2014 through February 28, 2015 MAR 19 2014
Contact Phone Number for Mr. Dains: 303 - 452 -6611
Division of Reclamation,
Dear Mr. Dains: Mining & Safety
We have reviewed your letter dated February 24, 2014 requesting approval of a substitute water
supply plan ( "SWSP ") on behalf of City of Fort Collins ( "Fort Collins" or "Applicant ") to cover depletions
caused by an existing gravel pit operation. This site was previously covered under the Lafarge's Middle
Poudre combined SWSP; however a separate SWSP was obtained for the site in 2006. The required
renewal fee of $257 (receipt no. 3663746) has been received.
SWSP Operations
The East Rigden Pit (WDID 0303021) is a gravel pit operation located in Sections 21, 27 and 28,
Township 7 North, Range 68 West of the 6t' P.M., in Larimer County. Fort Collins has recently acquired a
portion of the East Rigden Pit, as shown on the attached Figure 1 ( "Fort Collins Parcel "). Fort Collins is in the
process of amending the mining permit with the Division of Reclamation Mining and Safety ( "DRMS ") to
authorize a lined reservoir as a post - reclamation land use. During the SWSP period the construction of a clay
reservoir liner will take place on this portion of the East Rigden Pit. Approximately 2,000,000 cubic yards of
material will be excavated and moved from the reservoir location to various fill sites located within the pit
permit boundary. Ground water from dewatering the mine site and possibly augmented surface water
pumped from the Cache La Poudre River or water diverted from the river during periods of free river can be
used for construction of the clay liner and dust control. The reservoir excavation and liner construction project
is anticipated to begin mid -March 2014 with a projected duration of nine to ten months. Replacement for this
SWSP will come from Fort Collins supplies of reusable water, such as Joe Wright Reservoir water, Southside
Ditch water, or supplies stored in Fossil Creek Reservoir.
In accordance with the letter dated April 30, 2010 (copy attached) from the Colorado Division of
Reclamation, Mining, and Safety ( "DRMS "), all sand and gravel mining operators must comply with the
requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection of
water resources. The April 30, 2010 letter from DRMS requires that you provide information to DRMS to
demonstrate you can replace long term injurious stream depletions that result from mining related exposure
of ground water. Fort Collins is in the process of amending the mining permit with the Division of Reclamation
Mining and Safety ( "DRMS ") to authorize a lined reservoir as a post - reclamation land use. To allow
replacements to be made while the operator comes into compliance with DRMS requirements this
SWSP will be renewed for 2014. The operator shall not expand the exposed surface area of
groundwater under this SWSP until the site has been brought into compliance with DRMS
Office of the State Engineer
1313 Sherman Street, Suite 818 • Denver, CO 80203 • Phone: [phone] • Fax: 303 - 866 -3589
www.watenstate.co.us