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August 12, 1984 <br />Mr. Dante John Nomellini <br />Advisory Water Commission <br />222 E. Weber Avenue <br />Stockton, CA 95201 <br />Dear Mr. Nomellini: <br />Re: San Joaquin County Water Management Plan Element 1 <br />As explained at the first public hearing, the San Joaquin County <br />Water Management Plan Element 1 was undertaken to identify the problems <br />_ of pollution and nuisance caused by septic tank systems and consider <br />measures for possible solutions in the county's unsewered areas. As <br />stated on page 8-1, "The planning effort is designed to preserve and <br />enhance water quality, and to protect it for the maximum benefit of <br />all the people of San Joaquin County for the next 25-30 years." <br />As members of the public living in pantos Ranch we are concerned that <br />this.plan does not provide us with a solution to our problem. It <br />also does not clearly define our "predictable" water quality problem. <br />This situation is described on page 5-53 where it is stated that water <br />quality problems associated with subsurface disposal of sewage can <br />be predicted for our area. The information and data used was compiled <br />in 1978-1979. Since then, over 100 homes have been built in Santos <br />Ranch and all have septic tanks and private wells drilled to about 100 <br />feet. Because our water quality problem is predictable, we meet the <br />definition of a failing sewage disposalsystem on page 8�3 #13. <br />According to the plan, chemical analysis of certain wells in Santos <br />Ranch directly imply sewage contamination by showing excessive nitrate <br />concentrations (see page 5-12). These excessive nitrate levels create <br />a public health hazard and, we believe, indicate predictable further <br />deterioration of our water quality (pages 4-29, 4-61 and 5.9 also). <br />On page 5-53 It is recommended that population growth and density <br />should be closely scrutinized and periodically reevaluated in relation to <br />the changing wastewater application intensities and the significance of <br />these changes assessed in updates of the San Joaquin County Water <br />Management Plan Element 1. <br />More new homes are under construction now in Santos Ranch (Santos Ranch <br />Unit 5). A new subdivision of about 60 homes, called Los Ranchos has <br />also been approved for construction in the near future. These hones will <br />r <br />