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SAN JOAQUIN CM TY ENVIRONMENTAL HEALTH DEPARTMENT 600 E. Main Street, Stockton, California 95202-3029 September 11,2007 To: San Joaquin County Community Development Department From: San Joaquin County Environmental Health Department Contact Person: Rodney Estrada,Lead Senior REHS,Phone: (209)468-0331 ! • RE: PA-0600171 (SA), SU0006684 Attention: Kevin Swanson 4391 S.Escalon Bellota Road,Farmington The San Joaquin County Environmental Health Department (EHD) recommends denial of this application at this time. Currently, the Farmington Water Company (FWC) cannot provide this property, and the proposed use, with a reliable source of potable water meeting the quantity and quality standards of the California Safe Drinking Water Act (SDWA) (Health and Safety Code, Section 116270 et seq.). The North and South FWC water supply wells currently fail to meet bacteriological water quality standards, as evidenced by repeated wellhead samples that tested positive for coliform bacteria. As ordered by the EHD as a temporary solution, the water system installed continuous-feed chlorination equipment to treat the water supplied to its current customers and is monitoring the wells monthly for the presence of bacteria, until a replacement, reliable, and safe water supply can be provided. Attempted reconstruction of the North Well to address bacteriological water quality issues inadvertently reduced required water quantities for daily demands of existing users of the system. Should the South Well fail, the FWC could not maintain adequate flows and pressures mandated by the SDWA for existing users. Due to the age, location and construction of the wells, chlorination is not a permanent measure to ensure compliance with bacteriological quality requirements of the SDWA. The FWC has applied for funding through the California Department of Public Health (CDPH) to make the necessary improvements to the water system. To ensure that the FWC will receive these funds, the FWC must submit all the required engineering reports and technical information to CDPH, as the funding will be disbursed to the public water systems that meet the funding qualifications on a "first come-first serve" basis, until the available funds are exhausted. The CDPH will disburse the funds to the awarded water systems in February 2008, or thereafter. If approved for funding, the CDPH will issue the funds to FWC for the construction of two new public drinking water wells, and installation of new distribution lines that have been designed to meet the SDWA water quality and quantity requirements to serve the current customers; additional service connections to new customers; and to meet fire flow requirements. To expedite improvements to the public water system, the FWC and the applicant may consider other alternatives, such as private funding,to accomplish the necessary siting and construction of the new water supply wells that meet California SDWA public water system and EHD permitting requirements. 4