Contaminant Violation Level Unit MCLG MCL Likely Source of Contamination Y/N Detected Measure ment Microbiological Contaminants 1. Total Coliform No 0 out of 2012 0 presence Naturally present in the Bacteria 24 of coliform environment. samples bacteria in 5% of monthly samples 2. Fecal coliform and No 0 out of 2012 0 a routine Human and animal fecal waste E.coli 24 sample samples and repeat sample are total coliform positive, and one is also fecal coliform or E. coli positive 3. Turbidity Yes Range NTU n/a TT Soil runoff 1.0 to 2010 8.1 6. Combined radium No .54 pCi/1 0 5 Erosion of natural deposits 228 2010 8. Arsenic No .0028 ppb n/a 10 Erosion of natural deposits; 2007 to runoff from orchards; runoff 2012 from and electronics production wastes 10. Barium No .005 to ppm 2 2 Discharge of drilling wastes; .030 2007 to discharge from metal 2012 refineries; erosion of natural deposits 14. Copper No .004 to ppm 1.3 =1.3 Corrosion of household .256 2011 (Action plumbing systems; erosion of Level) natural deposits; leaching from wood preservatives 16. Fluoride No Range ppm 4 4 Erosion of natural deposits; .36 to 2007 to additive which promotes .48 avg. 2012 strong teeth; discharge from .66 fertilizer and aluminum factories 17. Lead No .0005 to ppm 0 =15 Corrosion of household .0025 2011 (Action plumbing systems, erosion of Level) natural deposits 19. Nitrate (as No <.0.07 to ppm 10 10 Runoff from fertilizer use; Nitrogen) 1.2 2011 leaching from septic tanks, sewage; erosion of natural deposits 73. TTHM No 2.5 to ppb 0 100 By-product of drinking water 4.9 2011 chlorination trihalomethanes]
Contaminant Violation Y/N Level Detected Unit Measure ment MCLG MCL Likely Source of Contamination Microbiological Contaminants 1. Total Coliform Bacteria No 0 out of 24 samples 2012 0 presence of coliform bacteria in 5% of monthly samples Naturally present in the environment. 2. Fecal coliform and E.coli No 0 out of 24 samples 2012 0 a routine sample and repeat sample are total coliform positive, and one is also fecal coliform or E. coli positive Human and animal fecal waste 3. Turbidity Yes Range 1.0 to 8.1 NTU 2010 n/a TT Soil runoff 6. Combined radium 228 No .54 pCi/1 2010 0 5 Erosion of natural deposits 8. Arsenic No .0028 ppb 2007 to 2012 n/a 10 Erosion of natural deposits; runoff from orchards; runoff from and electronics production wastes 10. Barium No .005 to .030 ppm 2007 to 2012 2 2 Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits 14. Copper No .004 to .256 ppm 2011 1.3 =1.3 (Action Level) Corrosion of household plumbing systems; erosion of natural deposits; leaching from wood preservatives 16. Fluoride No Range .36 to .48 avg. .66 ppm 2007 to 2012 4 4 Erosion of natural deposits; additive which promotes strong teeth; discharge from fertilizer and aluminum factories 17. Lead No .0005 to .0025 ppm 2011 0 =15 (Action Level) Corrosion of household plumbing systems, erosion of natural deposits 19. Nitrate (as Nitrogen) No <.0.07 to 1.2 ppm 2011 10 10 Runoff from fertilizer use; leaching from septic tanks, sewage; erosion of natural deposits 73. TTHM trihalomethanes] No 2.5 to 4.9 ppb 2011 0 100 By-product of drinking water chlorination
Newsletter___MARCH___2013.docx