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PHYSICAL SETTING SOURCE RECORDS SEARCHED <br /> LOCAL 1 REGIONAL WATER AGENCY RECORDS <br /> FEDERAL WATER WELLS <br /> �4 PWS: Public Water Systems <br /> Source: EPA/Office of Drinking Water <br /> Telephone: 202-564-3750 <br /> Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at <br /> least 25 people for at least 60 days annually. PWSs provide water from wells,rivers and other sources. <br /> PWS ENF: Public Water Systems Violation and Enforcement Data <br /> Source: EPA/Office of Drinking Water <br /> Telephone: 202-564-3750 <br /> 4 Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System(SDWIS)after <br /> fl August 1995. Prior to August 1995,the data came from the Federal Reporting Data System(FRDS). <br /> t <br /> I USGS Water Wells: USGS National Water Inventory System(NWIS) <br /> This database contains descriptive information on sites where the USGS collects or has collected data on surface <br /> water and/or groundwater.The groundwater data includes information on wells,springs,and other sources of groundwater. <br /> STATE RECORDS <br /> California Drinking Water Quality Database <br /> Source: Department of Health Services <br /> } Telephone: 916-324-2319 <br /> The database includes all drinking water compliance and special studies monitoring for the state of California <br /> since 1984. It consists of over 3,200,000 individual analyses along with well and water system information. <br /> F OTHER STATE DATABASE INFORMATION <br /> California Oil and Gas Well Locations <br /> li + Source: Department of Conservation <br /> Telephone: 916-323-1779 <br /> J j RADON <br /> State Database:CA Radon <br /> Source:Department of Health Services <br /> Fi Telephone:916-324-2208 <br /> Radon Database for California <br /> k <br /> Area Radon Information <br /> I Source:USGS <br /> Telephone: 703-356-4020 <br /> I The National Radon Database has been developed by the U.S.Environmental Protection Agency <br /> ttt------ (USEPA)and is a compilation of the EPAIState Residential Radon Survey and the National Residential Radon Survey. <br /> The study covers the years 1986-1992.Where necessary data has been supplemented by information collected at <br /> f private sources such as universities and research institutions. <br /> EPA Radon Zones <br /> Source: EPA <br /> 1 Telephone: 703-356-4020 <br /> Sections 307&309 of IRAA directed EPA to list and identify areas of U.S.with the potential for elevated indoor <br /> radon levels. <br /> t <br /> —� OTHER <br /> Airport Landing Facilities: Private and public use landing facilities <br /> r Source: Federal Aviation Administration,800-457-6656 <br /> W I <br /> Epicenters: World earthquake epicenters,Richter 5 or greater <br /> Source: Department of Commerce,National Oceanic and Atmospheric Administration <br /> � I <br /> California Earthquake Fault Lines: The fault lines displayed on EDR's Topographic map are digitized quaternary fault lines, <br /> prepared in 1975 by the United State Geological Survey. Additional information(also from 1975)regarding activity at specific fault <br /> lines comes from California's Preliminary Fault Activity Map prepared by the California Division of Mines and Geology. <br /> TC1837357.2s Page A-14 <br /> c --- F <br />