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| Page 1 of 2 | Updated: | 6/8/2007 | ||||||||||||||||||
| PENNICHUCK WATER WORKS | ||||||||||||||||||||
| WATER QUALITY REPORT | ||||||||||||||||||||
| FOREST RIDGE - EXETER, NH | ||||||||||||||||||||
| EPA # 0802040 | ||||||||||||||||||||
| VOLATILE ORGANIC CONTAMINANTS (b) (Units µg/L) | ||||||||||||||||||||
| Analyte | Result | MCL | Date | Analyte | Result | MCL | Date | |||||||||||||
| 1,1,1,2-Tetrachloroethane | < 0.5 | NR | 5/30/06 | Diisopropyl Ether (DIPE) | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,1,1-Trichloroethane | < 0.5 | 200 | 5/30/06 | Ethyl Tert-Butyl Ether (ETBE) | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,1,2,2-Tetrachloroethane | < 0.5 | NR | 5/30/06 | Ethylbenzene | < 0.5 | 700 | 5/30/06 | |||||||||||||
| 1,1,2-Trichloroethane | < 0.5 | 5 | 5/30/06 | Hexachlorobutadiene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,1-Dichloroethane | < 0.5 | NR | 5/30/06 | Isopropylbenzene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,1-Dichloroethane | < 0.5 | 7 | 5/30/06 | m/p - Xylenes | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,1-Dichloropropylene | < 0.5 | NR | 5/30/06 | Methyl ethyl ketone (MEK) 2-Butanone | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2,3-Trichlorobenzene | < 0.5 | NR | 5/30/06 | Methylene chloride | < 0.5 | 5 | 5/30/06 | |||||||||||||
| 1,2,3-Trichloropropane | < 0.5 | NR | 5/30/06 | Methyl-t-butyl-ether (MtBE) | < 0.5 | 13 | 5/30/06 | |||||||||||||
| 1,2,4-Trichlorobenzene | < 0.5 | 70 | 5/30/06 | Napthalene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2,4-Trimethylbenzene | < 0.5 | NR | 5/30/06 | n-Butylbenzene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2-Dibromo - 3- chloropropane | < 0.5 | 0.2 | 5/30/06 | Nitrobensene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2-Dibromoethane | < 0.5 | NR | 5/30/06 | n-Proplybenzene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2-Dichlorobenzene | < 0.5 | 600 | 5/30/06 | o-Chlorotoluene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2-Dichloroethane | < 0.5 | 5 | 5/30/06 | o-Xylene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,2-Dichloropropane | < 0.5 | 5 | 5/30/06 | p-Chlorotoluene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,3,5-Trimethylbenzene | < 0.5 | NR | 5/30/06 | sec Butylbenzene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,3-Dichlorobenzene | < 0.5 | NR | 5/30/06 | Styrene | < 0.5 | 100 | 5/30/06 | |||||||||||||
| 1,3-Dichloropropane | < 0.5 | NR | 5/30/06 | Tert-Amyl Methyl Ether (TAME) | < 0.5 | NR | 5/30/06 | |||||||||||||
| 1,4-Dichlorobenzene | < 0.5 | 75 | 5/30/06 | Tert-Butyl Alcohol (TBA) | < 0.5 | NR | 5/30/06 | |||||||||||||
| 2,2-Dichloropropane | < 0.5 | NR | 5/30/06 | Tert-Butylbenzene | < 0.5 | NR | 5/30/06 | |||||||||||||
| 2-Hexanone | < 0.5 | NR | 5/30/06 | Tetrachloroethylene | < 0.5 | 5 | 5/30/06 | |||||||||||||
| 4 Methyl-2-Pentanone (MIBK) | < 0.5 | NR | 5/30/06 | Tetrachloromethane | < 0.5 | NR | 5/30/06 | |||||||||||||
| 4-Isopropyltoluene | < 0.5 | NR | 5/30/06 | Tetrahydrofuran | < 0.5 | NR | 5/30/06 | |||||||||||||
| Acetone | < 0.5 | NR | 5/30/06 | Toluene | < 0.5 | 1000 | 5/30/06 | |||||||||||||
| Benzene | < 0.5 | 5 | 5/30/06 | Total Xylenes | < 0.5 | 10,000 | 5/30/06 | |||||||||||||
| Bromobenzene | < 0.5 | NR | 5/30/06 | Trans-1, 2-Dichloroethylene | < 0.5 | 100 | 5/30/06 | |||||||||||||
| Bromochloromethane | < 0.5 | NR | 5/30/06 | Trans-1, 3-Dichloropropylene | < 0.5 | NR | 5/30/06 | |||||||||||||
| Bromomethane | < 0.5 | NR | 5/30/06 | Trichloroethylene | < 0.5 | 5 | 5/30/06 | |||||||||||||
| Carbon Disulfide | < 0.5 | NR | 5/30/06 | Trichlorofluromethane | < 0.5 | NR | 5/30/06 | |||||||||||||
| Chlorobenzene | < 0.5 | 100 | 5/30/06 | Vinyl chloride | < 0.5 | 2 | 5/30/06 | |||||||||||||
| Chloroethane | < 0.5 | NR | 5/30/06 | |||||||||||||||||
| Chloromethane | < 0.5 | NR | 5/30/06 | TRIHALOMETHANES | ||||||||||||||||
| cis-1, 2-Dichloroethylene | < 0.5 | 70 | 5/30/06 | Bromodichloromethane | 4.8 | 80 | 5/30/06 | |||||||||||||
| cis-1, 3-Dichloropropylene | < 0.5 | NR | 5/30/06 | Bromoform | < 0.5 | 80 | 5/30/06 | |||||||||||||
| Dibromomethane | < 0.5 | NR | 5/30/06 | Dibromochloromethane | 1.6 | 80 | 5/30/06 | |||||||||||||
| Dichlorodifluoromethane | < 0.5 | NR | 5/30/06 | Chloroform | 7.3 | 80 | 5/30/06 | |||||||||||||
| Diethyl ether | < 0.5 | NR | 5/30/06 | Total Trihalomethanes | 14 | 80 | 5/30/06 | |||||||||||||
| SYNTHETIC ORGANIC CONTAMINANTS (b) (Units µg/L) | ||||||||||||||||||||
| 2,4,5-TP (Silvex) | BDL | 50 | 8/10/05 | Dinoseb | BDL | 7 | 8/10/05 | |||||||||||||
| 2,4-D | BDL | 70 | 8/10/05 | Endrin | BDL | 2 | 8/10/05 | |||||||||||||
| 3-Hydorxycarbofuran | BDL | NR | 8/10/05 | Ethylene dibromide (EDB) | BDL | 0.05 | 8/10/05 | |||||||||||||
| Alachlor | BDL | 2 | 8/10/05 | Fluorene | BDL | NR | 8/10/05 | |||||||||||||
| Aldicarb | BDL | NR | 8/10/05 | Glyphosate | BDL | 700 | 8/10/05 | |||||||||||||
| Aldicarb Sulfone | BDL | NR | 8/10/05 | Heptachlor | BDL | 0.4 | 8/10/05 | |||||||||||||
| Aldicarb Sulfoxide | BDL | NR | 8/10/05 | Heptachlor Epoxide | BDL | 0.2 | 8/10/05 | |||||||||||||
| Aldrin | BDL | NR | 8/10/05 | Hexachlorobenzene | BDL | 1 | 8/10/05 | |||||||||||||
| Atrazine | BDL | 3 | 8/10/05 | Hexachlorocyclopentadiene | BDL | 50 | 8/10/05 | |||||||||||||
| Benzo (A) pyrene | BDL | NR | 8/10/05 | Lindane | BDL | 0.2 | 8/10/05 | |||||||||||||
| Butachlor | BDL | NR | 8/10/05 | Metholachlor | BDL | NR | 8/10/05 | |||||||||||||
| Carbaryl | BDL | NR | 8/10/05 | Methomyl | BDL | NR | 8/10/05 | |||||||||||||
| Carbofuran | BDL | 40 | 8/10/05 | Methoxychlor | BDL | 40 | 8/10/05 | |||||||||||||
| Chlordane | BDL | 2 | 8/10/05 | Metribuzin | BDL | NR | 8/10/05 | |||||||||||||
| Di (2-ethylhexyl) adipate | BDL | NR | 8/10/05 | Oxamyl (Vydate) | BDL | 200 | 8/10/05 | |||||||||||||
| Di (2-Ethylhexyl) phthalate | BDL | 6 | 8/10/05 | Pentachlorophenol | BDL | 1 | 8/10/05 | |||||||||||||
| Dibromochloropropane (DBCP) | BDL | NR | 8/10/05 | Picloram | BDL | 500 | 8/10/05 | |||||||||||||
| Dicamba | BDL | NR | 8/10/05 | Propachlor | BDL | NR | 8/10/05 | |||||||||||||
| Dieldrin | BDL | NR | 8/10/05 | Simazine | BDL | 4 | 8/10/05 | |||||||||||||
| Toxaphene | BDL | 3 | 8/10/05 | |||||||||||||||||
| Page 2 of 2 | ||||||||||||||||||||
| PENNICHUCK WATER WORKS | ||||||||||||||||||||
| WATER QUALITY REPORT | ||||||||||||||||||||
| FOREST RIDGE - EXETER, NH | ||||||||||||||||||||
| EPA # 0802040 | ||||||||||||||||||||
| INORGANIC CONTAMINANTS (b) | SECONDARY CONTAMINANTS (b) - AESTHETIC | |||||||||||||||||||
| Analyte | Results | MCL | Date | Analyte | Results | SMCL | Date | |||||||||||||
| Antimony (µg/L) | <2 | 6 | 8/10/05 | Chloride (mg/L) | 4 | 250 | 8/10/05 | |||||||||||||
| Arsenic (µg/L) | <2 | 10 | 8/10/05 | Fluoride (mg/L) | <0.20 | 2 | 8/10/05 | |||||||||||||
| Barium (mg/L) | <0.01 | 2 | 8/10/05 | Iron (µg/L) | 127 | 300 | 8/10/05 | |||||||||||||
| Beryllium (µg/L) | <2 | 4 | 8/10/05 | Manganese (µg/L) | 32 | 50 | 8/10/05 | |||||||||||||
| Cadmium (µg/L) | <2 | 5 | 8/10/05 | pH (Units) | 7.53 | 6.5 – 8.5 | 8/10/05 | |||||||||||||
| Chromium (µg/L) | <10 | 100 | 8/10/05 | Silver (µg/L) | <4 | 100 | 8/10/05 | |||||||||||||
| Cyanide (µg/L) | <10 | 200 | 8/10/05 | Sodium (mg/L) | 18.4 | 100-250 | 8/10/05 | |||||||||||||
| Fluoride (mg/L) | <0.20 | 4 | 8/10/05 | Sulfate (mg/L) | 10.8 | 250 | 8/10/05 | |||||||||||||
| Mercury (µg/L) | <0.20 | 2 | 8/10/05 | Zinc (mg/L) | 0.024 | 5 | 8/10/05 | |||||||||||||
| Nickel (µg/L) | <10 | 100 | 8/10/05 | |||||||||||||||||
| Nitrate-N (mg/L) | <0.2 | 10 | 10/5/06 | RADIOLOGICAL CONTAMINANTS (b) | ||||||||||||||||
| Nitrite-N (mg/L) | <0.05 | 1 | 8/10/05 | Analyte (Units) | Results | MCL | Date | |||||||||||||
| Selenium (µg/L) | <5 | 50 | 8/10/05 | Adjusted Gross Alpha (pCi/L) | <2.6 | 15 | 5/30/06 | |||||||||||||
| Thallium (µg/L) | <1 | 2 | 8/10/05 | Radon Gas (pCi/L) | 973 | None | 4/12/07 | |||||||||||||
| Radium-226 (pCi/L) | 0.6 | 5 | 5/30/06 | |||||||||||||||||
| FIRST DRAW LEAD AND COPPER (a) | Radium-228 (pCi/L) | <0.6 | 5 | 5/30/06 | ||||||||||||||||
| Analyte | Results | AL | Date | Uranium (µg/L) | <0.9 | 30 | 5/30/06 | |||||||||||||
| Lead (µg/L) 90th percentile sample | <5 | 15 | 6/8/07 | |||||||||||||||||
| Copper (mg/L) 90th percentile sample | 0.2 | 1.3 | 6/8/07 | UNREGULATED CONTAMINANTS (b) | ||||||||||||||||
| Analyte (Units) | Results | Date | ||||||||||||||||||
| Microbiological Contaminants (a) | Results | MCL | Date | Alkalinity as CaCO3 (mg/L) | 80 | 8/10/05 | ||||||||||||||
| Total Coliform | Absent | < 1/month | Monthly | Specific Conductance (umhos/cm2) | 200 | 8/10/05 | ||||||||||||||
| E. coli | Absent | Absent | Monthly | Total Hardness as CaCO3 (mg/L) | 54.8 | 8/10/05 | ||||||||||||||
| Chlorine Residual (mg/L) | <0.1-1.5 | <4.0 | Monthly | |||||||||||||||||
| KEY TO ABBREVIATIONS | ||||||||||||||||||||
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