2012-09-06_REPORT - C1981010

• Permit No: C1981010
• IBM Index Class Name: Report
• Doc Date: 9/6/2012
• Doc Name: DRMS Review of 2011 AHR
• From: DRMS
• To: Trapper Mining Inc
• Annual Report Year: 2011
• Permit Index Doc Type: Hydrology Report
• Email Name: JLE
• Email Name: SB1
• Media Type: D
• Archive: No

Review Checklist for Annual Hydrology Report
Mine: Trapper Mine
Permit No.: C- 1981 -010
Report Year:
Submitted by:
Date received by Division:
2011
Trapper Mining, Inc.
March 15, 2012
Date of review: 29 June 2012
DRMS reviewer: Jared Ebert
Page 1
Require-
ment
Requirement
Regulation
complied
Comment
with?
(yes / no)
A. Filing frequency
CDRMS
of hydrology
regulation
yes
report
4.05.13 (4)(c)
March 15
according to
B. Timely filing of
Sections
hydrology report
4.8.5.1 and
yes
4.8.5.2 permit
C -81 -010
C. Filing frequency
of NPDES
NPDES
Discharge
permit CO-
yes
Monitoring
0032115
Reports
D. Timely filing of
NPDES
Discharge
permit CO-
yes
Monitoring
0032115
Reports
Exceedances for TSS and Total Iron were in direct response to
snowmelt and/or precipitation events, and the alternate
limitation for Settleable Solids was met in all cases.
The third quarter, 2011 discharge monitoring report indicated
that due to an error at the lab, Total Iron data was not
E. NPDES discharge
NPDES
calculated for the samples taken on July 5, 2011. Total Iron
limitations
permit CO-
yes
values were not represented on the DMR's for NPDES points
0032115
002, 011, 020, 022 and 024. According to the third quarter
report, each outfall exhibited extremely low TSS values for the
month of July, and traditionally low TSS result in low Total
Iron values. Given this, it is likely no exceedances of Total
Iron occurred at any outfall for July.
The classifications set forth in Regulation 31 were assigned to
F. Basic Standards
CWQCC
specific state surface waters. See discussion on Instream
for Surface Water
Regulation 31
yes
Numeric Standards (item G. below).
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