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California Regional Water Quality Control Board <br />Central Valley Region <br />Katherine Hart,Chair <br />11020 Sun Center Drive #200,Rancho Cordova,California 95670-6114 <br />Phone (916)464-3291 •FAX (916)464-4645 <br />http./Iwww.waterboards.ca.gov/centralvalley <br />~~ <br />Arnold <br />Schwarzenegger <br />Governor <br />Linda S.Adams <br />Secretary for <br />Environmental <br />Protection <br />22 February 2010 <br />George Conner <br />Cirus Development Company,Inc. <br />101 Heritage Court <br />Oakley,California 94561 <br />FEB 2 4 2010 <br />ENVIRUNIVltl~l HtALTH <br />PERMIT/SERVICES <br />WASTEWATER TREATMENT FACILITY IMPROVEMENT PROJECT,ARBOR MOBILE <br />HOME PARK,SAN JOAQUIN COUNTY <br />Central Valley Regional Water Quality Control Board (Central Valley Water Board)staff has <br />reviewed the 21 January 2010 letter describing the proposed wastewater treatment facility <br />improvement project at the Arbor Mobile Home Park in San Joaquin County.The treatment <br />and disposal of domestic wastewater from the Arbor Mobile Home Park is regulated by Waste <br />Discharge Requirements Order R5-2003-0099. <br />Based on the information submitted,two 1,000 pound sand filters and a 750 gallon storage <br />tank will be added to the existing wastewater treatment facility.The sand filters are designed <br />to provide additional treatment/filtration of domestic wastewater prior to discharge into the <br />facility's seepage pits.The 750 gallon storage tank will be used to back-flush the sand filters. <br />Back-flush water from the filters will either be discharged to the existing sludge storage tank <br />and incorporated back into the treatment facility,or hauled off-site for disposal at an approved <br />facility. <br />Because the proposed project is not anticipated to cause an increase in flow beyond the <br />permitted flow limit,Order R5-2003-0099 does not need to be revised at this time. <br />Upon completion of the proposed project,please submit a letter to staff certifying that the <br />project is complete.Additionally,if back-flush water will be disposed of off-site,the letter shall <br />state the name of the permitted facility where the back-flush water will be disposed of. <br />If you have any questions regarding this letter,please contact Brendan Kenny <br />at (916)464-4635. <br />9~ <br />STEVE E.ROSENBAUM <br />Senior Engineering Geologist <br />Compliance and Enforcement Section <br />cc:Rodney Estrada,San Joaquin County Environmental Health Department,Stockton <br />Candace Holcombe,Newport Pacific Capital Company,Inc.,Irvine <br />Casey Wichert,Perc Water Corporation,Costa Mesa <br />California Environmental Protection Agency <br />(JRecycled Paper