2023-01-04_PERMIT FILE - M2022013 (22)

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PART Page 10 of 67 Permit No.: COG500000 iv. the permittee provides documentation with the Notice of Termination request that the above conditions for termination have been met for the facility,and includes photographic documentation of final stabilization conditions. c. The permittee has obtained authorization under an individual or alternative general permit for all facility discharges. d. No Exposure Certification. If the facility authorized to discharge stormwater-only under this permit becomes eligible for a no exposure exclusion from permitting under 5 CCR 1002-61.3(2)(h),the permittee may submit a complete and accurate No Exposure Certification to the Division at the address listed in Part I.A.4. The Division will terminate permit coverage using information provided in the No Exposure Certification form;the permittee does not need to submit a Notice of Termination. The Division may,after consultation with the permittee and upon good cause, revise the vegetative cover requirements on a case-by-case basis. B. PERMIT COMPLIANCE — Process water and stormwater A permittee must comply with all the terms and conditions of 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.. Correcting a permit violation does not remove the original violation. Failure to take any required corrective actions,as detailed in Part LK(Corrective Actions), constitutes an independent,additional violation of this permit and may be subject to civil and criminal liability. However,where corrective action is triggered by an event that does not itself constitute permit noncompliance, such as an exceedance of an applicable benchmark,there is no permit violation unless the permittee fails to take the required corrective action within the relevant deadlines. 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. C. EFFLUENT LIMITATIONS and MONITORING REQUIREMENTS In accordance with the Water Quality Control Commission Regulations for Effluent Limitations,Section 62.5;the Colorado Discharge Permit System Regulations,Section 61.8(2),5 C.C.R. 1002-61; and the effluent limitation guidelines found 40 CFR Part 436(Mineral Mining and Processing Point Source Category),the permitted discharge shall not contain effluent parameter concentrations that exceed the effluent limitations identified in this Part,and specified in the permit certification. 1. Process Water Discharge Effluent Limitations The permittee shall monitor the effluent consistent with the requirements identified in Tables C.1.1 through C.1.6 and specified in the permit certification,as applicable to the permitted feature. "Report Only" monitoring requirements for additional site-specific parameters may be included in the permit certification to obtain additional effluent quality data. The permittee must conduct all required monitoring and reporting consistent with Parts LE and I.F of this permit, unless otherwise noted.