2018-03-08_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 3/8/2018
• Doc Name: CDPS/NPDES Permit
• From: Colorado Department of Public Health and Environment
• To: DRMS
• Email Name: TNL
• Media Type: D
• Archive: No

PART I
A. PERMITTED FEATURE(S)
PART '
Page 4 of 47
Permit No.: CO0000213
Beginning no later than the effective date of this permit and lasting through the expiration date, the permittee is authorized
to discharge from, and self monitoring samples taken in accordance with the monitoring requirements shall be obtained
from permitted feature(s):
• 007, 008 - following the sedimentation basins and prior to entering Calamity Draw
• 011— Stormwater discharge to Tuttle Draw
• 009, 012, 016 - following the sedimentation basins and prior to entering Tuttle Draw
• 013 - following sedimentation basin including direct discharge of spoils spring and prior to entering Tuttle Draw
• 017 — small area exemption discharge to Calamity Draw
Outfall
Latitude N
Longitude W
Receiving Water
007
38.268333"
108.566111"
Calamity Draw
008
38.270944'
108.575472°
Tributary to Calamity Draw
009
38.2825°
108.576667'
Tuttle Draw
011
38.2775429°
108.5870907'
Tributary to Tuttle Draw
012
38.282778'
108.582222'
Tuttle Draw
013
38.281667°
108.591944°
Tuttle Draw
016
38.276111'
108.5875°
Tributary to Tuttle Draw
017
38.268344
108.569175°
Calamitv Draw
The locations provided above will serve as the point of compliance for this permit and are appropriate as they are located
prior to discharge to the receiving water. Any discharge to the waters of the State from a point source other than
specifically authorized by this permit is prohibited.
B. PERMIT COMPLIANCE
In accordance with the Water Quality Control Commission Regulations for Effluent Limitations (Section 62.4), the Colorado Discharge
Permit System Regulations, Section 61.8(2), 5 C.C.R. 1002-61, and the federal Effluent Limitation Guideline for the Coal Mining Point
Source (40 CFR 434), the permitted discharge shall not contain effluent parameter concentrations which exceed the limitations
specified below or exceed the specified flow limitation. All discharges authorized under this permit shall comply with all the terms
and conditions required by this permit. Violation of the terms and conditions specified in this permit may be subject to civil and
criminal liability pursuant to sections 25-8-601 through 612, C.R.S. Failure to take any required corrective actions, as detailed in the
CORRECTIVE ACTIONS section, constitutes an independent, additional violation of this permit and may be subject to civil and
criminal liability.
1. Facilities Operation and Maintenance
The permittee shall at all times properly operate and maintain all facilities and systems of treatment and control which are
installed or used by the permittee as necessary to achieve compliance with the conditions of this permit. Proper operation and
maintenance also includes effective performance, and adequate laboratory and process controls, including appropriate quality
assurance procedures. This provision requires the operation of back-up or auxiliary facilities or similar systems when installed
by the permittee only when necessary to achieve compliance with the conditions of the permit.
Any sludge produced at the wastewater treatment facility shall be disposed of in accordance with State and Federal guidelines
and regulations. The permittee shall take all reasonable steps to minimize or prevent any discharge of sludge use or disposal in
violation of this permit which has a reasonable likelihood of adversely affecting human health or the environment. As
necessary, accelerated or additional monitoring to determine the nature and impact of the noncomplying discharge is required.