The Lowest The Lowest Lowesst monthly CONTAMINANTS ercentage of Mantinly Mantinly AND UNITS OS Highest single om les er an Highest single Percentage of Highest single Percentage of LEVEL Range of Results LEVEL Range of Results LEVEL Range of Results IT LIKELY SOURCE OF measurement i 8} measurement Samples meeting] measurement |Samples meeting}; DETECTED 9 DETECTED 9 DETECTED 9 CONTAMINATION MEASURE regulartoty , Regulartory Regulartory requirements ? ? Requirements Requirements Bacteria The Lowest The Lowest Monthly Monthly . Total Number of . . . . Contaminants and Positive Samoles MCLG Highest single Percentage of Highest single Percentage of LEVEL Ranae of Results LEVEL Ranae of Results LEVEL Ranae of Results LIKELY SOURCE OF Unit of Measure ar ear P measurement /Samples meeting] measurement |Samples meeting) DETECTED 9 DETECTED 9 DETECTED 9 CONTAMINATION Regulartory Regulartory Requirements Requirements Contaminants and Highest Level Ranae of Results Highest Level Range Results Highest Level Range Results LEVEL RANGE OF LEVEL RANGE OF LEVEL RANGE OF MCL LIKELY SOURCE OF Unit of Measure Dectected 8 Detected 8 Detected 8 DETECTED RESULTS DETECTED RESULTS DETECTED RESULTS9661 CONTAMINATION discharge from petroleum Antimony (ppb) 3.4 N/A 0.13 N/A 0.21 N/A refineries; fire - retardants; ceramics; electronics; solder Dishcharge or drilling wastes; Barium (PPM) 0.0089 N/A 0.0079 N/A N/A 332 0.002-0.07 319 0.01-0.02 319 0.01-0.04 2 discharge from metal refineries; erosion of naturaal deposits Erosion of natural deposits; discharge from fertilizer and Floride (PPM) 0.946 N/A 0.71 N/A 0.51 N/A 1405 ND-1.3 4 alaminam Jaeleries; Water additive which promotes strong teeth when at optimum levels between 0.7 and 1.2ppm Residue from man-made Lead (Point of entry) 27 NWA 15 pollution such as auto emissions (PPB) and paint;lead pipe, casing and solder Runoff from fertilizer use; Nitrates (as Nitrogen) 0.678 ND - 0.678 0.12 N/A 0.038 N/A 324 0.2-0.59 321 0.13-0.84 319 0.01-0.04 10