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L ' <br /> PUB'LIC HEALTH SERVICES c <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M D , I\1 P H , Health Officer _ <br /> 304. East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 2091468-3420 <br /> FRANK GUINTA t 2 8 2001 <br /> GUINTTr ENTERPRISES <br /> 305 N UNION ROAD <br /> 1LkNTIECA CA °5377 <br /> RE ALTERNATIVE DPUNK-liiNG WATER SITE CODE 1426 <br /> SUPPLY TO AFFECTED WATER WELL CONSUMERS <br /> FRANKS EXXON' <br /> 2072 W YOSEMITE AVE <br /> NIANTECA CA 93377 <br /> The purpose of this letter is to summarize recent telephone conversations regarding the two <br /> Copeland wells located at 17933 Airport Way Ms Carol Copeland contacted Dot Lofstrom of <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD)and <br /> Robert Kitay of Aqua Sciences.Enerneenng (ASE) to discuss the two wells Two houses are <br /> located at 17933 Airport way, and each house has its own well At the time of Ms Copeland's <br /> initial telephone call, a concentration of methyl tertiary butyl ether (MtBE) had not been detected in <br /> water samples collected from the well associated with one of the residences located at 17993 <br /> Airport Way However, MtBE had been detected in samples collected from the well associated <br /> with the other residence located at that same address Ms Copeland requested that the plumbing <br /> associated with the house attached to the impacted well should be detached from that well and <br /> reattached to the unimpacted well The reason for the request is that a sale of the property is <br /> pending and a potable water supply source is a requirement for the sale After discussing the <br /> proposed action PHSIEHD agreed to the request and directed ASE to begin the work <br /> Subsequently ASE collected a water sample from the previously unimpacted well and a Icmited <br /> amount (less than 1 0 µg11) of WE= was detected in the water sample <br /> In a conversation following the detection of MtBE in the previously unimpacted well ASE <br /> proposed that a wellhead treatment program might be a solut,on to the problem ASE originally <br /> proposed wellhead treatment as "Option III" in a letter to you dated September 8, 2000 and titled <br /> "ASE Proposal #2000-152, Installation of Temporary Potable Water Tanks Systems " In that <br /> letter, ASE stated three objections to the option, specifically that it would require"(a) significant <br /> up-front expenditures for equipment and installation (b)frequent sample collection and analyses <br /> to assure proper operation of the system and (c)frequent maintenance on the system " <br /> Therefore, temporary potable water tank systems were selected as the preferred method for <br /> supplying potable water to the impacted residences <br /> • In the months that have followed that letter it has become clear that the temporary, potable water <br /> tank systems are not a satisfactory method for supplying potable water to residents with impacted <br /> wells Although a is a cost-effective and reliable solution to the problem, the area residents have <br /> expressed dissatisfaction with various difficulties assouated with the portable tanks, such as <br /> inconvenience, low water pressure, and aesthetic concerns Additionally, recent telephone <br /> conversations between Dot Lofstrom and Michael Brinton, Ben Cantu, and Joe Hulsey of the City <br /> of Manteca, as well as Bruce Baracco of the Local Agency Formation Commission (LAFCO) have <br />