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PHYSICAL SETTING SOURCE RECORDS SEARCHED <br />LOCAL / REGIONAL WATER AGENCY RECORDS <br />FEDERAL WATER WELLS <br />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 />Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after <br />August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS). <br />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 />OTHER STATE DATABASE INFORMATION <br />Groundwater Ambient Monitoring & Assessment Program <br />State Water Resources Control Board <br />Telephone: 916-341-5577 <br />The GAMA Program is Californias comprehensive groundwater quality monitoring program. GAMA collects data by testing <br />the untreated, raw water in different types of wells for naturally -occurring and man-made chemicals. The GAMA <br />data includes Domestic, Monitoring and Municipal well types from the following sources, Department of Water Resources, <br />Department of Heath Services, EDF, Agricultural Lands, Lawrence Livermore National Laboratory, Department of Pesticide <br />Regulation, United States Geological Survey, Groundwater Ambient Monitoring and Assessment Program and Local <br />Groundwater Projects. <br />Water Well Database <br />Source: Department of Water Resources <br />Telephone: 916-651-9648 <br />California Drinking Water Quality Database <br />Source: Department of Public Health <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 <br />Source: Dept of Conservation, Geologic Energy Management Division <br />Telephone: 916-323-1779 <br />Oil and Gas well locations in the state. <br />California Earthquake Fault Lines <br />Source: California Division of Mines and Geology <br />The fault lines displayed on EDR's Topographic map are digitized quaternary fault lines prepared in 1975 by the <br />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 <br />Geology. <br />RADON <br />State Database: CA Radon <br />Source: Department of Public Health <br />Telephone: 916-210-8558 <br />Radon Database for California <br />TC6278333.2s Page PSGR-2 <br />