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' CALIFORNIA GOVERNMENT WELL RECORDS SEARCHED <br /> PWS Public Water Systems <br /> Source EPAJOffice of Drinking Water <br /> ' Telephone 202 260 2805 <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 Pubhc Water Systems Violation and Enforcement Data <br /> Source EPA/Office of Drinking Water <br /> Telephone 202 260 2805 <br /> Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SWDIS)after <br /> ' August 1995 Prior to August 1995 the data came from the f=ederal Reporting Data System (FRDS) <br /> Area Radon Information The National Radon Database has been developed by the U S Environmental Protection Agency <br /> (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey The <br /> ' study covers the years 1986 1992 Where necessary data has been supplemented by information collected at private sources <br /> such as universities and research institutions <br /> EPA Radon Zones Sections 307&309 of IRAA directed EPA to list and identity areas of U S with the potential for <br /> ' elevated indoor radon levels <br /> USGS Water Wells In November 1971 the Unfted States Geological Survey(USGS)implemented a national water resource <br /> information tracking system This database contains descriptive informatson on sites where the USGS collects or has collected <br /> data on surface water and/or groundwater The groundwater data includes information on more than 900 000 wells springs and <br /> other sources of groundwater <br /> Water Dams National Inventory of Dams <br /> ' Source Federal Emergency Management Agency <br /> Telephone 202 646 2801 <br /> National computer database of more than 74,000 dams maintained by the Federal Emergency Management Agency <br /> California Dnnking 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 /> California Oil and Gas Well Locations for District 2 and 6 <br /> Source Department of Conservation <br /> ' Telephone 916 323 1779 <br /> 1 <br /> ' TC15100371p Page A10 <br />