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California Regional Water Quality Control Board Central Valley Region Robert Schneider,Chair Alan C. Lloyd,Ph.D. Arnold Secretaryfor Sacramento Main Office Schwarzenegger Environmental 11020 Sun Center Drive#200,Rancho Cordova,California 95670-6114 Governor Protection Phone(916)464-3291 •FAX(916)4644645 http://www.waterboards.ca.gov/central valley 28 December 2004 Lee Gardiner CALAMCO 212 Frank West Circle, Suite E Stockton, CA 95206 NOTICE OF VIOLA TION WA TER CODE SECTION 13267 ORDER TO SUBMIT TECHNICAL REPORT FOR NPDES DISCHARGE MONITORING AND STORM WATER DISCHARGES, CALAMCO-STOCKTON TERMINAL, SAN JOAQUIN COUNTY This letter serves as a Notice of Violation for discharging storm water contrary to Waste Discharge Requirements (WDRs) Order No. 96-201, NPDES No..CA0083968. The WDRs expired on 9 August 2001, and California Ammonia Company, dba CALAMCO (Discharger), submitted a Report of Waste Discharge, dated 1 March 2001. The Discharger applied for a permit renewal to discharge waste under the National Pollutant Discharge Elimination System (NPDES) from the CALAMCO - Stockton Terminal (Terminal). In review of the submitted information along with the storm water discharge violation, some issues have come to our attention, which need to be addressed by CALAMCO: A. Discharge of terminal storm water with pollutants: The past six years of annual storm water reports have shown that the storm water discharged from the terminal has contained significant concentrations of ammonia, ranging from 3.9 to 20 mg/l at pH values of 6.8 to 8.1 pH units, respectively, along with Oil & Grease concentrations as high as 11 mg/1 (see Table 1, Storm Water Monitoring Results, enclosed). The storm water discharge contains wastes other than storm water and is in violation of the following Prohibitions and Provisions: 1. Discharge Prohibition A.3., which states "Discharge of materials, other than storm water, that is not otherwise permitted by this Order to surface water or surface water drainage courses is prohibited." 2. Provision D.6., which requires the Discharger to implement its Storm Water Pollution Prevention Plan (SWPPP), including all information contained in Attachment C of the Order. The SWPPP Narrative Descriptions, Section C. III states "Water contained in the loading area is not released until it is confirmed that it does not contain a significant quantity of ammonia. Storm water contained within the containment dyke for the ammonia storage tanks is not discharged to the storm drain by a pump until it is confirmed that the water is clear, clean and does not contain a significant quantity of ammonia." From the data in Table 1, the Discharger has been discharging storm water with significant quantities of ammonia in violation of the SWPPP. California Environmental Protection Agency �a Recycled Paper