2017-03-02_HYDROLOGY - M1977436

• Permit No: M1977436
• IBM Index Class Name: Hydrology
• Doc Date: 3/2/2017
• Doc Name: Substitute Water Supply Plan
• From: DWR
• To: Applegate Group, Inc./ Aggregate Industries
• Email Name: JLE
• Media Type: D
• Archive: No

youth Platte Combined Replacement Plan
March 1, 2017
Long Term Depletions and Reclamation
Page 13 of 19
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. The DBMS letter identifies four approaches to
satisfy this requirement, which are identified and described in the attached letter.
In accordance with approach no. 4, you have provided an affidavit dated February 29, 2012,
that dedicates the 13.5 shares of the Whitney Ditch Company and 96 shares of the Fulton Irrigating
Ditch Company described above as replacement water solely for this combined SWSP for as long as
there are depletions at these gravel pit sites or until such time as another replacement source is
obtained. This dedication supersedes a previous dedication dated January 25, 2011. A copy of the
affidavit is attached to this letter. For the purposes of this SWSP, this affidavit will be accepted for
the dedication of the shares; however, if the State Engineer determines that a different affidavit or
dedication process is necessary to assure proper dedication of the shares, additional information may
be required prior to future SWSP approvals. The current bond posted for the F -Street pit was found
to be inadequate during a site inspection by DRMS on February 10, 2012. Per an August 14, 2012
letter from DWR, we will continue to renew the SWSP for the F -Street Pit to allow time for Aggregate
to actively work towards settling legal matters pertaining to the long-term replacement source with
the land owner. Until this issue is resolved, or shares are dedicated to this plan for the purposes of
long term injurious stream depletions, no diversion of ground water beyond that approved by this
SWSP (evaporation) will be permitted at the site.
A summary of the final reclamation and the compliance approach to the DBMS letter including
the current posted bond amount is shown in Table E.
Table E - Final Reclamation Summary
Site Name
Proposed Final
Bond
DRMS
Approach
Comments
Reclamation
Amount
No.
Jeronimus Pit
Backfilled
$1,510,800
1,4
Backfilling of all post -81 areas in progress. Water
rights dedicated via February 29, 2012 affidavit.
Bonded for lining. The site has been lined with a
Hazeltine Pit
Lined Reservoir
$670,602
3
slurry wall (WDID 0203381). A 30 -day leak test will
be required upon completion of the permanent drain
to re -approve the liner.
Bonded for lining. The south and central reservoirs
Brighton Pit
Lined
$150,000
1, 3
are lined with a slurry wall (WDID 0203385) and have
Reservoir/Lakes
obtained SEO liner approval. A bond reduction was
approved by DRMS.
Mining has not yet begun at this site. An increase of
Tucson South Pit
Lined Reservoir
$11,000
3
bonding is required prior to commencement of
mining operations.
Bonded for lining. (Note: This pit was lined in 2013;
Wattenberg Pit
Lined Reservoir
$520,000
3
however, the liner has not yet been tested or
approved.)
Platte Valley Pit
Ground Water Lake
$754,732
1,4
Bonded for backfilling. Water rights dedicated via
February 29, 2012 affidavit.
Office of the State Engineer
1313 5herman Street, Room 821, Denver, CO 80203 P 303.866.3581
www. water. state. co. us