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.~ • '~„ • III IIIIIIIIIIIIIIII ~cteD Sra>~ 999 J' UNITED STATES ENVIRONMENTAL PROTECTION AGENCY y~ ~ ~ REGION 8 ~' 999 18~" STREET -SUITE 300 DENVER, CO 80202-2486 http:/lwww.epa.gov/reg i on08 RECEIVED CERTIFIED MAIL MAY -9 2001 RETURN RECEIPT REQUESTED - MAY ~ 5 2001 Ref: 8ENF-T Division of Minerals and Geology Robert P. Mangone II Rocky Mountain Materials and Asphalt, Inc. 1910 Rand Avenue Colorado Springs, Colorado 80906 Dear Mr. Mangone: Re: Reply to Inspection Response dated February 19, 2001 for CDPS permit number COG-500809 EPA has received and reviewed your response to our January 25, 2001 inspection report. As you will recall, the inspection report listed several findings of violation and deficiencies as well as outlining several required corrective actions. EPA has found that the following items have not been sufficiently addressed in your response of February 19, 2001: Your letter indicates that Rocky Mountain Materials and Asphalt (RMMA) believes that is authorized to discharge both stormwater and process water under Colorado Discharge Permit System (CDPS) permit COG-500000, certification number COG-500809. This is incorrect. CDPS Permit COG-500000 is a general permit developed to cover stormwater and process water discharges or stormwater only discharges from sand and gravel operations. Facilities requesting coverage under this permit may apply for authorization to discharge stormwater and process water or stormwater only. As covered in the certification, RMMA is authorized to discharge stormwater for the Red Canyon Quarry. If it is RMMA's intention to discharge process water, a new application must be submitted to the Colorado Department of Public Health and Enviromnent {CDPHE). 2. EPA's January 25, 2001 letter stated that RMMA had not updated its stormwater management plan (SWMP) as required in CDPS permit COG-500809. EPA requested that the updated SWMI' be submitted as part of the response to the inspection report. Your February 19, 2001 response did not include the updated SWMP. I spoke with Robert Stack of the Red Canyon Quarry and explained these deficiencies with the February 19, 2001 response. A letter followed dated April 27, 2001 and received by EPA on May 2, 2001 stating that RMMA understands that it is only authorized to discharge stormwater at the Red Canyon Quarry. The letter also contained what was termed an "updated Printed on Recycled Paper