INORGANIC CONTAMINANTS TABLE CONTAMINANT LIKELY SOURCE AND UNIT OF LEVEL OF MEASURE VIOLATION DETECTED RANGE MCLG MCL CONTAMINATION Corrosion of Lead (ppb) No 0.014 (ppb) (b) 0 household plumbing Tested on systems, erosion of 10-09-13 natural deposits. Corrosion of 2. Copper (ppm) No 0.081 (ppm) (b) 1.3 household plumbing Tested on 10-09-13 systems. 3.Barium(ppm) Erosion of natural Tested on No <.05 (ppm) (a) 2 2 deposits. 08-06-14 4. Fluoride (ppm) Erosion of natural Tested on 08-06-14 No <.20 (ppm) (a) 4 4 deposits. RADIOACTIVE CONTAMINANTS TABLE CONTAMINANT LIKELY SOURCE AND UNIT OF LEVEL OF MEASURE VIOLATION DETECTED RANGE MCLG MCL CONTAMINATION Radium- 226 (pCi/L) No 0.6 (pCi/L) (a) 0 5 Decay of natural 08-20-14 deposits. DISINFECTIONS BYPRODUCTS CONTAIMINANT LIKELY SOURCE AND UNIT OF VIOLATION LEVEL RANGE MCLG MCL OF MEASURE DETECTED CONTAMINATION TTHMs (Total Byproduct of trihalomethanes) No 34 (ppb) (c) N/A 80 drinking water (ppb) chlorination. Quarterly Avg. HAA5s Byproduct of (Haloacetic Acids) Yes 76 (ppb) (c) N/A 60 drinking water (ppb) disinfection. Quarterly Avg. Chlorine Residual (ppm) No 1.07 (ppm) (d) MRDLG MRDL Available water Daily Avg. 4 4 disinfectant. 3
INORGANIC CONTAMINANTS TABLE CONTAMINANT AND UNIT OF MEASURE VIOLATION LEVEL DETECTED RANGE MCLG MCL LIKELY SOURCE OF CONTAMINATION Lead (ppb) Tested on 10-09-13 No 0.014 (ppb) (b) 0 Corrosion of household plumbing systems, erosion of natural deposits. 2. Copper (ppm) Tested on 10-09-13 No 0.081 (ppm) (b) 1.3 Corrosion of household plumbing systems. 3.Barium(ppm) Tested on 08-06-14 No <.05 (ppm) (a) 2 2 Erosion of natural deposits. 4. Fluoride (ppm) Tested on 08-06-14 No <.20 (ppm) (a) 4 4 Erosion of natural deposits. RADIOACTIVE CONTAMINANTS TABLE CONTAMINANT AND UNIT OF MEASURE VIOLATION LEVEL DETECTED RANGE MCLG MCL LIKELY SOURCE OF CONTAMINATION Radium- 226 (pCi/L) 08-20-14 No 0.6 (pCi/L) (a) 0 5 Decay of natural deposits. DISINFECTIONS BYPRODUCTS CONTAIMINANT AND UNIT OF MEASURE VIOLATION LEVEL DETECTED RANGE MCLG MCL LIKELY SOURCE OF CONTAMINATION TTHMs (Total trihalomethanes) (ppb) Quarterly Avg. No 34 (ppb) (c) N/A 80 Byproduct of drinking water chlorination. HAA5s (Haloacetic Acids) (ppb) Quarterly Avg. Yes 76 (ppb) (c) N/A 60 Byproduct of drinking water disinfection. Chlorine Residual (ppm) Daily Avg. No 1.07 (ppm) (d) MRDLG 4 MRDL 4 Available water disinfectant. 3