HYDRO27405

• Permit No: C1981010
• IBM Index Class Name: Hydrology
• Doc Date: 4/29/2003
• Doc Name: 1st Quarter 2003 Review Checklist Memo
• From: DMG
• To: WWC Engineering
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF MINERALS AND GEOLOGY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203 DIVISION O F
Phone: [phone] (yl l l~] E R,q 1, $
FAX: [phone] $c
GEOLOGY
0.EC LA MATION
MEMO MINING•SAFETY
Bill Owens
Date: April 29, 2003 covernnr
Greg E. Walther
Executive Director
To: Steve Linse, P.E., W WC Engineering Ronald W. Cattany
Division Director
From: Tom ICaldenbach, Division of Minerals and Geology
Re: Edna Mine, CDMG Pemlit No. C-81-010
NPDES Dischazge Monitoring Report (DMR), March and lst quarter 2003
CDPS Permit 000032638
The following checklist summarizes the results of the Division's recent review of the above-referenced
report. We have no further comments regarding the report.
> r Review, Cl-ecklLSt for'I)ischarge'Monttortng Report`(DMR).'
v
~~~~ ~-~~ ~ ,
~~ ~ ~~~~~
~ ~ ~
Requirement Requirement
Requirement citation complied with ? Comment
, es / no
1. Timely CDMG regulation
submittal of DMRs 4.05.13 2 a ut
()( )( ) yes None
to CDMG
2. Timely
reporting to CDMG CDMG regulation
of any exceedances 4.05.13(2)(a)(ii) yes None
of effluent
limitations
The quarterly TDS sampling event was
missed. The operator's cover letter
explained it resulted from the change to
the new NPDES permit ,and the field
3. Compliance person has been notified. This one-time
with Federal and omission does not significantly impair
State water quality CDMG regulation the assessment of hydrologic impacts.
laws that pertain to 4.05.1(3) yes This finding of compliance is subject to
discharges of verification by the Colorado Water
surface water Quality Control Division, and excludes
any violations noted in the DMR. The
data contained in the DMR appear
consistent with field observations made
during CDMG's inspections.
cc: Dan Hernandez, CDMG