ENFORCE34612 - Laserfiche WebLink

Home Browse Search

III IIIIIIIIIIIIIIII Foidel Creek Mine, C-82-056 NOV-C-99-003 The NOV was issued on April 12, 1999 for failure to pass mine water discharge through a treatment facility, failure to conduct underground mining operations as described in the approved PHC in the pernrit, and failure to prevent violation of federal water quality effluent limitations. The operator submitted water analysis that demonstrates the dischazged water did not meet federal effluent limitations. Discharge flows to Fish Creek. Map 26: Explain how mine dewatering system is set up. 3/17/99: Twentymile Coal Company called DMG of a waterline break at the Fish Creek Borehole. Twentymile Coal Company informed us that they did not think that water had entered Fish Creek, but that water had appeared to be seeping through the toe of the berm of an SAE. Twentymile Coal Company indicated they had shut off pumps and they collected water samples. Twentymile Coal Company notified CDPH&E of this break. Subsequently, DMG decided to wait to inspect until we receive the water sample analyses. 3/23/99: Twentymile Coal Company called DMG to inform us that the Fish Creek Borehole pump was turned on 3/22/99 afrer repair of the pipe. Twentymile Coal Company discovered a water line leak on the morning of 3/23/99. Water was running from the break in the waterline, to the SAE, seeping under the toe of the berm and Twentymile Coal Company informed DMG that a breach in the SAE berm had occurred, indicating discharge of mine water into Fish Creek.. Twentymile Coal Company stated that they had taken another water sample and notified CDPH&E of this second spill. 3/30/99: In discussions with Twentymile Coal Company, DMG was informed of a third waterline leak that had occurred on 3/30/99. Twentymile Coal Company stated that this leak flowed to a different SAE, and had not flowed to Fish Creek. Twentymile Coal Company did not collect water samples and did not notify CDPH&E. 4/1/99: DMG conducts an inspection of the Twentymile Coal Company Fish Creek Borehole site. Pump was turned off. Twentymile Coal Company was repairing the waterline. Discharge from the treatment ponds was occurring. DMG sampled NPDES pt. 001 discharge, and Fish Creek upstream and downstream of the permitted discharge. The waterline breaks mentioned previously had been repaired. The breach in the berm had been repaired. Rills in the bank of Fish Creek indicated that water had flowed from the breach to the creek. The breach was approx. ] 0 ft. from the edge of the creek. Small puddles of water remained in the SAE azeas.