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i California"egional Water Quality Coral Board - - <br /> Central Valley Region <br /> L Robert Schneider, Chair '�'" <br /> Linda ti. .\dams ^ Arnold <br /> Sacramento Main OI'rece [846 ��� l/ �D Schwarzenegger <br /> 1.,,,..._r„.„....I r/ 110220 Sun Cerner Drive 92O0.Rancho Cordova.CalirornialR l/M Gowrnor <br /> lineman Phone(916)464-3291 •FAX(916)464-4645 <br /> http:/iwww.m,aterboards.ca.gov/centralvalley SEP 1 8 2006 <br /> 14 September 2006 ENVIRONMENT HEALTH <br /> PERMITISEFMCES <br /> Attention: Ms. Julie Myrah Attention: Mr. Mike Desso <br /> California Department of Transportation Manager, Environmental & Safety <br /> NPDES/Storm Water Quality Branch Nestle U.S.A., Inc. <br /> P.O. Box 2048 800 North Brand Boulevard <br /> Stockton, CA 95201 Glendale, California 91203 <br /> CAL TRANS IRRIGATION WELL, PARALLEL AVENUE AND MAIN STREET, RIPON, SAN <br /> JOAQUIN COUNTY <br /> As YOU know, on 8 June 2006, a meeting was held at the California Department of <br /> Transportation (Caltrans) District 10 offices in Stockton, with representatives of Caltrans, <br /> Nestle U.S.A., Inc., (Nestle), and the California Regional Water Quality Control Board, <br /> Central Valley Region (Regional Water Board). The purpose of the meeting was to discuss <br /> replacement of a Caltrans irrigation well that has been impacted by Nestle's volatile organic <br /> compound (VOC) plume in central Ripon, California. The sign up sheet for that meeting is <br /> attached to this letter. The Regional Water Board had requested that Nestle provide <br /> Caltrans with an alternate source of irrigation water. Subsequently, on 24 July 2006, the <br /> Regional Water Board issued Cleanup and Abatement Order No. R5-2006-0720 (CAO) to <br /> Nestle One of the required actions of the CAO formalizes this request by ordering Nestle to <br /> provide Caltrans with an alternative source of water by 2 November 2006 to prevent further <br /> discharge of impacted groundwater to surface waters. The purpose of this letter is to <br /> summarize the issues. <br /> In May 2006, it was Nestle's opinion that an impasse had been reached in negotiations with <br /> Caltrans on replacement of the Caltrans irrigation well and requested that Regional Water <br /> Board staff set-up a meeting to discuss Caltrans concerns with Nestle's proposal to connect <br /> the landscaping sprinkler system to the City of Ripon's non-potable water supply. The <br /> affected landscaping covers approximately 2.5 acres adjacent to US Highway 99 in Ripon. <br /> Caltrans was concerned with the quality of the replacement water and the potential that its <br /> use could violate the conditions of State Water Resources Control Board Order No. 99-06- <br /> DWQ, the statewide National Pollutant Discharge Elimination System (NPDES) Permit for <br /> Storm Water Discharges from Caltrans facilities and operations, dated July 15, 1999 <br /> (Statewide Storm Water Permit) and the Caltrans Statewide Storm Water Management Plan <br /> (SWMP), dated May 2003. <br /> After some discussion at the 8 June meeting regarding the source and quality of the City of <br /> Ripon non-potable water supply, it seemed likely to the meeting participants that the <br /> proposal would probably not violate the terms of the current Statewide Storm Water Permit <br /> or current Statewide SWMP. However, the Statewide Storm Water Permit and SWMP are <br /> scheduled for renewal in the near future. Caltrans remained concerned that the use of non- <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br />