2013-01-16_HYDROLOGY - M1977342

• Permit No: M1977342
• IBM Index Class Name: HYDROLOGY
• Doc Date: 1/16/2013
• Doc Name: Follow-up Notice for Mine Water Line Leak
• From: Climax Molybdenum
• To: DRMS
• Permit Index Doc Type: Hydrology Report
• Email Name: PSH
• Media Type: D
• Archive: No

January 10, 2013
Via Email and UPS Tracking #: 1Z 804 847 13 7753 7937
r. Peter Hays
Division of Reclamation, Mining and Safety
1313 Sherman St., Rm. 215 F
Dear Mr. Hays:
(a)
(b)
(c)
(d)
(e)
Climax Molybdenum
A Freeport- McMoRan Company
COLORADO OPERATIONS
Henderson Mine
P.O. Box 68
Empire, CO 80438
Phone [phone]
RECEIVer
TAN 16 2013
Denver, CO 80203
y - RECIAit
nomworoAAID sot Re: ✓ oIIow -up Notice for Mine Water Line Leak, Permit No. M- 1977 -342
Henderson Mine is providing this written follow -up notice to a phone call made to you on January 3, 2013
pursuant to Rule 8.1 and 8.2 of the DRMS Rules and Regulations.
This notice is regarding a flow of mine water originating from one of the two lines that convey water from
the Henderson Mine to the URAD industrial wastewater treatment plant, which occurred on December 3,
2013 at approximately 1:OOpm. The Mine -URAD water lines are part of the environmental protection
facility 1.1 - Mine Water System, in Henderson's Environmental Protection Plan. The leak was
discovered at 1:00 pm. Approximately 1,000 gallons of Mine water leaked out.
After discovering the issue, Henderson employees determined that the flow was from the
12 -inch water line and promptly shut off the valves from the surge tank and the pumps
that bring water from underground to the URAD water line.
Mine water flow did not adversely impact human health, property or the environment. All
of the Mine water that leaked from the URAD water line made its way along an access
road and then puddled up at the lower portion of the access road, where it froze before
entering a nearby stormwater settling basin and outfall location. The ice has been
collected and placed in a lined settling pond (1.2 Pond).
The contact person for this event is:
Miguel Hamarat
P.O. Box 68 Empire, CO 80438
Phone: 303 - 569 -3221 ext. 1233
No monitoring or analyses were performed for this situation since Mine water was not
released off -site and did not impact any natural water body.
The investigation following the incident determined that the leak came from a 2 -inch PVC
line that collects condensate from the 5 -Shaft fans and feeds into the URAD water lines
for conveyance to URAD for treatment. One of the joints in the condensate line feeding