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i� California Regional Water Quality ClIntrol Board <br /> l\- Central Valley Region <br /> vRobert Schneider,Chair Arnold Schwarzenegger <br /> Alan C.Lloyd Ph.D. Sacramento Main Office p ^� Governor <br /> Agency Secretary 4(/J" <br /> In[emet Address: http://wwwswrcb.cagov/—rwgc65 M2� <br /> 11020 Sun Center Drive,#200,Rancho Cordova,CA 95670-6114 <br /> Phone(916)464-3291•FAX(916)464.4780 J(!IV <br /> ENV1R0 9 X005 <br /> 7 June 2005 <br /> PERMS�SERV HEALTH. <br /> Nader Shareghi Erik Teed-Bose <br /> Mountain House CSD Trimark Communities <br /> 11 South San Joaquin Street, 7th Floor 3120 Tracy Boulevard, Suite A <br /> Stockton, CA 95202 Tracy, CA 95376 <br /> CONDITIONAL APPROVAL,ADDITIONAL GROUNDWATER AND AGRICULTURAL DRAIN <br /> MONITORING FOR RESIDENTAIL NEIGHBORHOOD G WORKPLAN, MOUNTAIN HOUSE <br /> CSD AND TRIMARK COMMUNITIES, SAN JOA QUIN COUNTY <br /> I have reviewed the Additional Groundwater and Agricultural Drain Monitoring For Residential <br /> Neighborhood G Workplan, prepared by Condor Earth Technologies, dated 18 April 2005. The <br /> workplan was prepared in preparation of expanding the land application area in accordance with the <br /> Monitoring and Reporting Program Order No. 98-109. <br /> After reviewing the workplan, I have the following comments: <br /> — Please reconsider the locations of Well Pairs 17s/17d and 18s/18d. Old River may influence <br /> groundwater conditions further from the levee than anticipated. Staff would prefer to see the wells <br /> installed further from Old River. <br /> The workplan is approved on the condition that the above comments are addressed in an addendum letter <br /> to be submitted prior to installation of the wells. If you have any questions on this conditional approval, <br /> please telephone me at(916) 464-4616. <br /> TIMOTH R. O'BRIEN <br /> Waste Discharge to Land Unit <br /> cc: Margaret Lagorio, San Joaquin County Environmental Health Department, Stockton <br /> Jeff Willett, Condor Earth Technologies,Inc., Stockton <br /> California Environmental Protection Agency <br /> �d Recycled Paper <br /> W: to Abricnnan Jo ulnwmlzmin nwwVlwmglii)lune 1)5tl <br />