2016-03-09_INSPECTION - M1980121

• Permit No: M1980121
• IBM Index Class Name: Inspection
• Doc Date: 3/9/2016
• Doc Name: Report
• From: DRMS
• To: Weld County
• Inspection Date: 2/12/2016
• Email Name: PSH
• Email Name: WHE
• Media Type: D
• Archive: No

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COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY
MINERALS PROGRAM INSPECTION REPORT
PHONE: [phone]

The Division of Reclamation, Mining and Safety has conducted an inspection of the mining operation
noted below. This report documents observations concerning compliance with the terms of the permit
and applicable rules and regulations of the Mined Land Reclamation Board.
MINE NAME:
Pierce Pit
MINE/PROSPECTING ID#:
M-1980-121
MINERAL:
Sand and gravel
COUNTY:
Weld
INSPECTION TYPE:
Monitoring
INSPECTOR(S):
Peter S. Hays
INSP. DATE:
February 12, 2016
INSP. TIME:
12:00
OPERATOR:
Weld County
OPERATOR REPRESENTATIVE:
Valarie Mino
TYPE OF OPERATION:
112c - Construction Regular Operation

REASON FOR INSPECTION:
Normal I&E Program
BOND CALCULATION TYPE:
None
BOND AMOUNT:
$0.00
DATE OF COMPLAINT:
NA
POST INSP. CONTACTS:
None
JOINT INSP. AGENCY:
None
WEATHER:
Clear
INSPECTOR’S SIGNATURE:

SIGNATURE DATE:
March 9, 2016

The following inspection topics were identified as having Problems or Possible Violations. OPERATORS
SHOULD READ THE FOLLOWING PAGES CAREFULLY IN ORDER TO ASSURE COMPLIANCE
WITH THE TERMS OF THE PERMIT AND APPLICABLE RULES AND REGULATIONS. If a
Possible Violation is indicated, you will be notified under separate cover as to when the Mined Land
Reclamation Board will consider possible enforcement action.

INSPECTION TOPIC: Hydrologic Balance
PROBLEM/POSSIBLE VIOLATION: Problem: The Division has no evidence the Operator has a valid well permit,
substitute water supply plan, or approved water augmentation plan for the exposed surface water at the site
due to the mining operation capturing Lone Tree Creek. This is a problem related to 34‐32.5‐116(4)(h) of the
Colorado Revised Statutes and Rule 3.1.6(1)(a) of the Construction Materials Rules and Regulations governing
injury to existing water rights.
CORRECTIVE ACTIONS: The Operator shall demonstrate the operation is in compliance with the Office of the
State Engineer (SEO) for the standing surface water at the site, show evidence the Operator is taking measures
to bring the site into compliance with the SEO, or regrade the pit floor or install a discharge pipe to obtain
passive positive drainage of Lone Tree Creek by the corrective action date.
CORRECTIVE ACTION DUE DATE: 5/09/16

OBSERVATIONS

The Pierce Pit was inspected by Peter Hays with the Division of Reclamation, Mining and Safety
(Division/DRMS) as part of the Division’s monitoring inspection program.  The site was previously inspected by
the Division on January 27, 2010.  Ms. Valerie Mino with Weld County was present during the inspection.

Prior to the inspection, a Weld County representative updated the Division on the status of the site.  According
to Weld County, mining is complete and the site is in final reclamation.  According to Division records, the site
has been in final reclamation site 2012.  No financial warranty is held for the site.  The required mine
identification sign was posted and the site boundaries were well defined as required by Rule 3.1.12.