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Y l ~ Plan for the project and with the MHMP,residential dwelling unit setbacks would be 25 feet from the edge of the Rio Oso-Tesla transmission line easement. IMPACT Public Health and Safety—Exposure to Non-Potable Water. The proposed project would supply 4.9.7 reclaimed water to the community college for landscape uses. A less-than-significant impact would occur. i The proposed project would supply non-potable water to the Delta Community College site and to the community parks for irrigation purposes. An existing agreement would be amended between BBID and i the MHCSD to include the delivery of this water. Reclaimed water would provide a reliable long-term source of irrigation water for the College Park project. Since drought conditions have very little impact on this source of supply,a dependable water supply can be delivered to the parks,playgrounds and similar landscape areas served by the project even during drought periods.The tertiary treatment required for discharge to creeks produces reclaimed water that is suitable to irrigate parks,playgrounds, agricultural crops, and landscaping,as well as many industrial processes, for construction,and many other non- potable uses.The treatment would be in accordance with SWRCB regulations.Therefore,a less-than- significant impact would occur from the use of non-potable water usage. Mitigation Measure 4.9-7: Public Health and Safety—Exposure to non-potable water. I No mitigation is required. As indicated under"Regulatory Setting,"the state does not have residential setback requirements from electrical transmission lines,and the potential adverse health effects of EMFs are still unlmown.As indicated,the consensus group"...does not find it appropriate to adopt any specific numerical standards in association with EMFs until(there is)a firm scientific basis for adopting any particular value"(CPUC 2003).Therefore,there appears to be a dilemma in that it is likely that there are some potential adverse health effects associated with EMFs,but there is no firm scientific evidence of this fact and no adopted exposure thresholds or setback requirements for residential uses. The research conducted between adoption of the MHMP in 1994 and the present is still inconclusive on this issue, and no residential exposure thresholds or setback requirements have been established by the state. In addition,the MHMP MMP(M4.9-2)requires the provision of information packets to prospective or new homeowners in the MHMP area regarding EMF effects. Identifying a significant impact from EMFs would be speculative.In the absence of information demonstrating otherwise,this impact is concluded to be less than significant Mitigation Measure 4.9-6: Public Health and Safety—Exposure to Electromagnetic Fields. No mitigation is required. 4.9.5 RESIDUAL SIGNIFICANT IMPACTS There would be no residual significant public health and safety impacts with implementation of the mitigation measures recommended in this section. 'This approach is consistent with CEQA Guidelines Section 15145 which indicates that if,after thorough investigation,a lead agency finds that a particular impact is too speculative for evaluation,the lead agency should note its conclusion and terminate discussion of the impact. a College Park at Mountain House Specific Plan III Draft EIR EDAW San Joaquin County 4.9-39 Public Health and Safety