SU0008841 SSCRPT - Laserfiche WebLink

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The site appears to be almost 100 percent in the National Wetlands Inventory. The current owner(Frank&Lorna Olagaray)purchased the property on 1/17/06. The Owner Questionnaire is included in this report. The County Ag Commissioner data is included in this report. Chemical use reports show use by Allen Baroni for 2004 and 2005 and Frank Olagaray for 2006 -2009. The reports indicate Mr. Baron raised tomatoes and the Olagaray product was wine grapes. The RWQCB report(included within this report) lists violations for 2008, none located within the search area. EVALUATION OF PAST/CURRENT SOURCES OF CONTAMINATION AT OR NEAR THE SITE AND RECOMMENDATIONS FOR FURTHER ACTION There are no potential and/or known source of contamination identified for any real and/or f r 1 potential threat to human health and the environment The irrigation water is from the Mokelumne River. Upstream from the pump site is located the Fish Hatchery, Comanche Lake and Pardee Lake. Pardee Lake is drinking water only and is transported via pipeline to the Bay Area. Salt intrusion thru the delta waterways is a major concern for owners of water wells. The water table has been rising in the Stockton area as deep wells were shut down due to the availability of surface water. Water from any proposed shallow wells on the two proposed parcels may be subject to some salt intrusion and/or contaminates from farming operations. On site septic systems may be practical on the northerly portion which is out of the Wetlands Inventory. The high water table may or may not allow for a standard septic system. The soil is classified as silty clay loam,poorly drained and partially hydric. The nearest well should be tested as part of any Soil Suitability Study. If this is not possible the canal water at the southerly property line could be tested as an indicator of DBCP and Nitrates. CONCLUSIONS AND RECOMMENDATIONS We have performed a Phase 1 Environmental Site Assessment in conformance with the scope and limitations of ASTM Practice E1527 of APN 001-100-01 at 29031 N. Vail Road, Thornton, CA. This assessment has revealed no evidence of recognized environmental conditions in connection within the study area. 2.