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ip <br /> THOMAS R. FLINN <br /> DIRECTOR P.O.BOX1810-,pL�'�"1?y 1810 E, HAZELTON <br /> I STOCKTON,CALIFORNIA 9520VENUE <br /> 1 <br /> THOMAS M.GAU ri' f (209)468-3000 FAX <br /> DEPUTY DIRECTOR �T _ ^-=al ww Co.san= m(209)468-2999 <br /> �1 loaqu .ca.us <br /> MANUEL SOLORIO p�,�� =�"� � <br /> DEPUTY DIRECTOR cT for y®TT <br /> STEVEN WINKLER S L <br /> DEPUTYDRECTOR April 17, 2003 <br /> BENTON ANGOVE <br /> BUSINESS ADMINISTRATOR <br /> MEMORANDUM <br /> TO: Supervisor Steven Gutierrez <br /> FROM: T. R. Flinn �� <br /> Director of Public Works <br /> Donna Heran <br /> Director of Environmental Health <br /> SUBJECT: COUNTRY CLUB SEWER GROUNDWATER ISSUES <br /> As requested, on April 11, 2003, Donna Heran - <br /> Environmental Health, Bob Murdoch City of <br /> Stockton Municipal Utilities Department, Tom Gau and I met to discuss the concerns that recently <br /> - <br /> became apparent regarding groundwater contamination clean-up activities and the City of <br /> Stockton's new sewer line project in the vicinity Of Country Club Boulevard. The purpose of this <br /> memorandum is to update you on the current situation. <br /> The City has ceased all construction operations in the areas where the contaminated groundwater <br /> was discovered and has commenced an evaluation process to determine the potential extent of the <br /> contamination prior to proceeding with any further groundwater removal processes. The City is <br /> continuing with that section of the work from their pumping facility toward Country Club Boulevard, <br /> underneath Interstate 5, and 'IS continuously monitoring the groundwater situation. They are <br /> performing no groundwater pumping and, in coordination with the County's Environmental Health <br /> Department, have found no other indications Of groundwater contamination. <br /> As a next step, the City will be working with their consultants to evaluate the field investigatory <br /> work currently underway, in addition to review of historical data provided by the Environmental <br /> Health Department to determine the extent and possibility of any further groundwater <br /> contamination from facilities such as active and former gasoline stations. We have also asked <br /> the City to evaluate the potential for any ground subsidence problems that could be caused by <br /> groundwater pumping. The City has agreed not only to evaluate the situation but also, upon <br /> rerumrng to work, to provide a program to monitor subsidence. <br /> In summary, at this time the City is only proceeding in the areas where they know that no <br /> contamination problems exist and are proceeding with caution. In areas being questioned, they <br /> are performing a detailed evaluation; the City will be reevaluating their design upon conclusion of <br /> the evaluation of the field data they are currently obtaining. <br /> Please feel free to contact us, at your convenience, should you have any further questions <br /> regarding this matter. <br /> TRF:DH:ne <br /> Ek �`� MfRYtLN 1WTER ISSUES.pae <br />