2016-08-13_PERMIT FILE - P2016020 ‎(2)‎

• Permit No: P2016020
• IBM Index Class Name: Permit File
• Doc Date: 8/13/2016
• Doc Name: Compliance Order on Consent and Settlement Agreement
• From: Minewater
• To: DRMS
• Email Name: MAC
• Media Type: D
• Archive: No

London Mine, LLC's Failure to Comply with Permit Effluent Limitations
18. Pursuant to Part I.A.1. of the Water Tunnel Permit, London Mine, LLC's permitted discharge shall
not exceed, among others not subject of this action, the effluent limitations specified below:
London Mine LLC
DISCHARGE LIMITATIONS
30-day 7-day Minimum- 85 Percentile of
Parameter Average Average Maximum 24 month Rolling
Average
Total Suspended Solids, 20 30
mg/l -- -
pH, s.u. -- -- 6.5-9.0 --
Zinc, potentially dissolved __ 1,300 -- 654
(Pg/l)
Cadmium, potentially
dissolved (Ng/1) 3 2
19. Pursuant to Part 1.B.1 of the Water Tunnel Permit, London Mine, LLC is required to monitor
defined effluent parameters at specified frequencies to provide an indication of compliance or
non-compliance with the effluent limitations of the Water Tunnel Permit.
20. Pursuant to Part I.E.1 of the Water Tunnel Permit, London Mine, LLC is required to summarize and
report the results of its effluent monitoring to the Division via monthly discharge monitoring
reports ("DMRs"). Each discharge monitoring report is to include a certification by London Mine,
LLC that the information provided therein is true, accurate and complete to the knowledge and
belief of London Mine, LLC.
21. London Mine, LLC's DMRs submitted for Outfall 001A for the reporting periods between September
2006 and May 2016 include, among other information and data, the effluent concentration data
summarized in Exhibit A for total suspended solids, pH, potentially dissolved cadmium, and
potentially dissolved zinc, which exceeded the effluent limitations imposed by Part I.A.1. of the
Water Tunnel Permit. See Exhibit A, attached.
22. Total suspended solids, pH, potentially dissolved cadmium, and potentially dissolved zinc are
"pollutants" as defined by 5 25-8-103(15), C.R.S. and its implementing permit regulation 5 CCR
1002-61, 5 61.2(76), or indicators thereof.
23. The Water Tunnel Permit does not authorize the pollutant discharge levels identified above in
paragraph 21 and London Mine, LLC does not have any other permits authorizing such discharges
into state waters.
24. London Mine, LLC's failure to comply with the Water Tunnel Permit effluent limitations constitutes
violations of Part I.A.1 of the Water Tunnel Permit.
Discharging Without a Permit
25. Pursuant to § 25-8-501(1), C.R.S., and 5 CCR 1002-61, 5 61.3(1)(a), no person shall discharge any
pollutant into any state water from a point source without first having obtained a permit from the
London Mine, LLC, et al. C O L O R A D O
Compliance Order on Consent and Settlement Agreement &® Department ofPublie
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