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Within the current boundary of the permit for the Keenesburg Strip Mine,there are no gas wells <br /> or related facilities. Several gas wells were installed within the previous permit area by third <br /> parties,but these areas have been released from the permit. <br /> V. Rule 4.05 Hydrologic Balance <br /> Water Quality Standards and Effluent Limitations <br /> CEC has established drainage systems, including sediment ponds,to meet the applicable State <br /> and Federal water quality requirements for downstream receiving waters (Rule 4.05.2). <br /> There is currently no surface water monitoring at the Keenesburg Mine Site, because there is no <br /> point of surface water discharge. On December 18, 1989, Technical Revision 23 approved the <br /> deactivation of the Colorado Discharge Permit System (CDPS)permit, and the Department of <br /> Health (former name of CDPHE) concurred with this decision. Permit COG-850038 was later <br /> reinstated with an expiration date of June 30, 1997. CEC again proposed, and CDPHE approved, <br /> the expiration of the CDPS permit without renewal (the CDPHE letter regarding the Request for <br /> Inactivation of this permit can be found in Section 2.03 of the PAP). <br /> Because of the limited size of certain small, disturbed areas, (topsand storage and reference area <br /> sites),the Division proposes to continue the approved exemption from the requirement to have <br /> runoff from these areas report to sediment ponds. Also, ponds and treatment facilities are not <br /> necessary for drainage to meet the effluent limitations of Rule 4.05.2 and applicable State and <br /> Federal water quality standards for receiving streams. The small areas to be exempted are <br /> described in the Index Maps and Legal Description sections of the PAP [4.05.2(3)(b)(i)]. <br /> Ground Water Monitoring Plan <br /> The following ground water monitoring plan is required by Rule 4.05.13(1). <br /> Keenesburg Strip Mine Page 10 <br /> October 2024 Findings for PR-03 <br />