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n <br /> 17- <br /> CALIFORNIAaGOVERNMENt WE—LMRECORDS Sf,.ARCHEDzr <br /> PWS: Public Water Systems <br /> ' Source EPA Office 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 Public Water Systems Violation and Enforcement Data <br /> Source EPA/office of Drinking Water <br /> Telephone 202-26U-2805 <br /> Vlolation and Enforcement data for Public Water Systems from the Safe prinking Water information System(SWDIS)after <br /> August 1995 Prior to August 1995,the data came from the Federal Reporting Data System(FRDS) <br /> Area Radon information. The National Radon Database has been developed by the U S Emnronmerttal Protection Agency <br /> (USEPA)and is a compilation of the EPAIState Residential Radon Survdy 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 8 309 of IRAA directed EPA to list and identify areas of U S with the potential for <br /> ' elevated indoor radon levels <br /> USGS Water Wella In November 1971 the United States Geological Survey(USGS)Implemented a national water resource <br /> Information tracking system This database contains descriptive information on sites where the USGS collects or has collbcted <br /> ' data on surface water and/or groundwater The groundwater data ndudes information on more than 900,0110 wells,springs,and <br /> other sources of groundwater <br /> Wager Darns 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 /> Caliiamla Drinking Water Quality Delsbasb <br /> Source department of Health Services <br /> Telephone 916324-2319 <br /> The database includes all dnnking water compliance and special studies monitoring for the state of California <br /> since 1984 It consists of over 9,200,000 individual analyses along with well and water system information <br /> Califomla Oil and Can Well Locations for District 2 and 6 <br /> Source Department of Conservation <br /> Telephone 918-323-1779 <br /> TC4518421s Page Al <br />