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sanitary sewer system is a prerequisite to annexing. Also, in discussions with the City of Manteca Public Works Department, supplying City water to these residences could take no less that 9 — 12 months. Obviously a temporary solution is required to provide water in less than the time to . fulfill Option I. The cost to perform Option I would be significant, a n d funding at this time is not allocated. In light of these issues, Option I is not a feasible solution to this urgent matter. However, ASE strongly recommends that Option I remain the ultimate goal for the long-term solution of the potable water situation. Onto This option allows for the destruction of the affected wells a n d installation of new wells in a non-polluted aquifer. The hydrocarbon plume affecting the domestic and irrigation wells north of the subject site has not been completely defined as of this date. Without a complete hydrogeologic interpretation of the entire plume, drilling and installing deeper wells at this time may prove to be a poor and costly decision. In fact, it is possible that drilling deeper wells could impact the aquifer in a negative manner; cross contaminating previously non-contaminated zones. Option II would also be extremely costly; requiring thirteen ( 13) new wells and subsequent destructions of the existing wells. ASE believes this would be a poor use of the limited remediation funding, especially when Option I, the logical solution, is put in place thereby making the wells obsolete. Option ITT option consists of a water treatment system, likely activated carbon, installed at each affected well head to treat the contaminated water prior to its delivery into the residences. This option requires (a) significant up- front expenditures for equipment and installation, (b) frequent sample collection and analyses to assure proper operation of the system, and (c) frequent maintenance on the system. ASE therefore does not recommend this option. Option IV This option consists of portable, potable water tanks set on the property of each affected residence, piped to their house plumbing, which will be maintained with a constant supply of potable water using a tanker-truck filled by a nearby City of Manteca fire hydrant. This is ASE's recommended "interim solution" to the domestic and irrigation well situation. ASE recommends this option for several reasons: (a) it can be put in place in a very short amount of time (less than 4 weeks), (b) the up-front expenditure is reasonable in comparison to the other options, Proposal #2000-152 for Potable Water Systems, Frank's One Stop Property, Manteca, CA -2-