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282 <br /> GEOCHECKI� - PHYSICAL SETTING SOURCE SUMMARY <br /> HYDROLOGIC INFORMATION _ <br /> Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist <br /> the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should <br /> contamination exist on the target property,what downgradient sites might be impacted. <br /> Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways <br /> and bodies of water). <br /> FEMA FLOOD ZONE <br /> FEMA Flood <br /> Target Property County Electronic Data <br /> SAN JOAQUIN, CA YES-refer to the Overview Map and Detail Map <br /> Flood Plain Panel at Target Property: 06077C - FEMA DFIRM Flood data - <br /> Additional Panels in search area: Not Reported <br /> NATIONAL WETLAND INVENTORY - <br /> NWI Electronic <br /> NWI Quad at Target Property Data Coverage <br /> STOCKTON WEST YES-refer to the Overview Map and Detail Map <br /> HYDROGEOLOGIC INFORMATION <br /> Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator <br /> of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the <br /> environmental professional in forming an opinion about the impact of nearby contaminated properties or, should <br /> contamination exist on the target property, what downgradient sites might be impacted. <br /> Site-Specific Hydrogeologica/Data': <br /> Search Radius: 1.25 miles <br /> Location Relative to TP: 1/2- 1 Mile SSE <br /> Site Name: Brea Agricultural Svcs#2 <br /> Site EPA ID Number: CAD068847870 <br /> Groundwater Flow Direction: SW ON SITE AND NNW ON A REGIONAL BASIS. <br /> Measured Depth to Water: 71 feet. <br /> Hydraulic Connection: A clay layer separates the surficial aquifer and the underlying <br /> confined lower aquifer. <br /> Sole Source Aquifer: No information about a sole source aquifer is available <br /> Data Quality: Information based on site-specific subsurface investigations is <br /> documented in the CERCLIS investigation report(s) — <br /> AQUIFLOW <br /> Search Radius: 1.000 Mile. <br /> EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater <br /> flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory <br /> authorities at select sites and has extracted the date of the report, groundwater flow direction as determined <br /> hydrogeologically, and the depth to water table. <br /> LOCATION GENERAL DIRECTION <br /> MAP ID FROM TP GROUNDWATER FLOW <br /> Not Reported <br /> ' <br /> 01996 Site-specific hydrogeological data gathered by CERCLIS Alerts,Inc.,Bainbridge Island,WA All rights reserved.All of the information and opinions presented are those of the cited EPA report(s),which were completed under <br /> a Comprehensive Environmental Response Compensation and Liability Information System(CERCLIS)investigation. TC396821 1.2s Page A-3 <br />