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91 <br />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 />RADON <br />State Database: NC Radon <br />Source: Department of Environment & Natural Resources <br />Telephone: 919-733-4984 <br />Radon Statistical and Non Statiscal Data <br />Area Radon Information <br />Source: USGS <br />Telephone: 703-356-4020 <br />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. <br />The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at <br />private sources such as universities and research institutions. <br />EPA Radon Zones <br />Source: EPA <br />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 />OTHER <br />Airport Landing Facilities: Private and public use landing facilities <br />Source: Federal Aviation Administration, 800 - 457 -6656 <br />Epicenters: World earthquake epicenters, Richter 5 or greater <br />Source: Department of Commerce, National Oceanic and Atmospheric Administration <br />Earthquake Fault Lines: The fault lines displayed on EDR's Topographic map are digitized quaternary faultlines, prepared <br />in 1975 by the United State Geological Survey <br />TC4227876.2s Page PSGR -2 <br />