Page 1 of 2 Update: 5/1/07
PENNICHUCK WATER WORKS
WATER QUALITY REPORT
HARDWOOD - WINDHAM, NH
EPA # 2542060
VOLATILE ORGANIC CONTAMINANTS (b) (Units µg/L)
Analyte Result MCL Date Analyte Result MCL Date
1,1,1,2-Tetrachloroethane < 0.5 NR 2/10/05 Diisopropyl Ether (DIPE) < 0.5 NR 2/10/05
1,1,1-Trichloroethane < 0.5 200 2/10/05 Ethyl Tert-Butyl Ether (ETBE) < 0.5 NR 2/10/05
1,1,2,2-Tetrachloroethane < 0.5 NR 2/10/05 Ethylbenzene < 0.5 700 2/10/05
1,1,2-Trichloroethane < 0.5 5 2/10/05 Hexachlorobutadiene < 0.5 NR 2/10/05
1,1-Dichloroethane < 0.5 NR 2/10/05 Isopropylbenzene < 0.5 NR 2/10/05
1,1-Dichloroethane < 0.5 7 2/10/05 m/p - Xylenes < 0.5 NR 2/10/05
1,1-Dichloropropylene < 0.5 NR 2/10/05 Methyl ethyl ketone (MEK) 2-Butanone < 0.5 NR 2/10/05
1,2,3-Trichlorobenzene < 0.5 NR 2/10/05 Methylene chloride < 0.5 5 2/10/05
1,2,3-Trichloropropane < 0.5 NR 2/10/05 Methyl-t-butyl-ether (MtBE) < 0.5 13 2/10/05
1,2,4-Trichlorobenzene < 0.5 70 2/10/05 Napthalene < 0.5 NR 2/10/05
1,2,4-Trimethylbenzene < 0.5 NR 2/10/05 n-Butylbenzene < 0.5 NR 2/10/05
1,2-Dibromo - 3- chloropropane < 0.5 0.2 2/10/05 Nitrobensene < 0.5 NR 2/10/05
1,2-Dibromoethane < 0.5 NR 2/10/05 n-Proplybenzene < 0.5 NR 2/10/05
1,2-Dichlorobenzene < 0.5 600 2/10/05 o-Chlorotoluene < 0.5 NR 2/10/05
1,2-Dichloroethane < 0.5 5 2/10/05 o-Xylene < 0.5 NR 2/10/05
1,2-Dichloropropane < 0.5 5 2/10/05 p-Chlorotoluene < 0.5 NR 2/10/05
1,3,5-Trimethylbenzene < 0.5 NR 2/10/05 sec Butylbenzene < 0.5 NR 2/10/05
1,3-Dichlorobenzene < 0.5 NR 2/10/05 Styrene < 0.5 100 2/10/05
1,3-Dichloropropane < 0.5 NR 2/10/05 Tert-Amyl Methyl Ether (TAME) < 0.5 NR 2/10/05
1,4-Dichlorobenzene < 0.5 75 2/10/05 Tert-Butyl Alcohol (TBA) < 0.5 NR 2/10/05
2,2-Dichloropropane < 0.5 NR 2/10/05 Tert-Butylbenzene < 0.5 NR 2/10/05
2-Hexanone < 0.5 NR 2/10/05 Tetrachloroethylene < 0.5 5 2/10/05
4 Methyl-2-Pentanone (MIBK) < 0.5 NR 2/10/05 Tetrachloromethane < 0.5 NR 2/10/05
4-Isopropyltoluene < 0.5 NR 2/10/05 Tetrahydrofuran < 0.5 NR 2/10/05
Acetone < 0.5 NR 2/10/05 Toluene < 0.5 1000 2/10/05
Benzene < 0.5 5 2/10/05 Total Xylenes < 0.5 10,000 2/10/05
Bromobenzene < 0.5 NR 2/10/05 Trans-1, 2-Dichloroethylene < 0.5 100 2/10/05
Bromochloromethane < 0.5 NR 2/10/05 Trans-1, 3-Dichloropropylene < 0.5 NR 2/10/05
Bromomethane < 0.5 NR 2/10/05 Trichloroethylene < 0.5 5 2/10/05
Carbon Disulfide < 0.5 NR 2/10/05 Trichlorofluromethane < 0.5 NR 2/10/05
Chlorobenzene < 0.5 100 2/10/05 Vinyl chloride < 0.5 2 2/10/05
Chloroethane < 0.5 NR 2/10/05
Chloromethane < 0.5 NR 2/10/05  TRIHALOMETHANES 
cis-1, 2-Dichloroethylene < 0.5 70 2/10/05 Bromodichloromethane 5 80 2/10/05
cis-1, 3-Dichloropropylene < 0.5 NR 2/10/05 Bromoform 0.7 80 2/10/05
Dibromomethane < 0.5 NR 2/10/05 Dibromochloromethane  4.3 80 2/10/05
Dichlorodifluoromethane < 0.5 NR 2/10/05 Chloroform  3.7 80 2/10/05
Diethyl ether < 0.5 NR 2/10/05 Total Trihalomethanes  13.7 80 2/10/05
SYNTHETIC ORGANIC CONTAMINANTS (b) (Units µg/L)
2,4-D BDL 70 10/31/01 3-Hydorxycarbofuran BDL NR 10/31/01
Acenaphthylene BDL NR 10/31/01 Alachlor BDL 2 10/31/01
Aldicarb BDL NR 10/31/01 Aldicarb Sulfone BDL NR 10/31/01
Aldicarb Sulfoxide BDL NR 10/31/01 Aldrin BDL NR 10/31/01
Anthracene BDL NR 10/31/01 Atrazine BDL 3 10/31/01
Benzo (A) anthracene BDL NR 10/31/01 Benzo (A) pyrene BDL NR 10/31/01
Benzo (B) fluoranthene BDL NR 10/31/01 Benzo (G,H,I) perylene BDL NR 10/31/01
Benzo (K) fluoranthene BDL NR 10/31/01 Butachlor BDL NR 10/31/01
Butylbenzylphthalate BDL NR 10/31/01 Carbaryl BDL NR 10/31/01
Carbofuran BDL 40 10/31/01 Chlordane BDL 2 10/31/01
Chrysene BDL NR 10/31/01 Di-n-butylphthalate BDL NR 10/31/01
Dibenz (A,H) anthracene BDL NR 10/31/01 Dibromochloropropane BDL NR 10/31/01
Dicamba BDL NR 10/31/01 Dieldrin BDL NR 10/31/01
Diethylphthalate BDL NR 10/31/01 Dimethylphthalate BDL NR 10/31/01
Dinoseb BDL 7 10/31/01 Endrin BDL 2 10/31/01
Ethylene dibromide BDL 0.05 10/31/01 Fluorene BDL NR 10/31/01
Glyphosate BDL 700 10/31/01 Heptachlor BDL 0.4 10/31/01
Heptachlor Epoxide BDL 0.2 10/31/01 Hexachlorobenzene BDL 1 10/31/01
Hexachlorocyclopentadiene BDL 50 10/31/01 Indeno (1,2,3-CD) pyrene BDL NR 10/31/01
Isophorone BDL NR 10/31/01 Lindane BDL 0.2 10/31/01
Methomyl BDL NR 10/31/01 Methoxychlor BDL 40 10/31/01
Metholachlor BDL NR 10/31/01 Metribuzin BDL NR 10/31/01
Oxamyl BDL 200 10/31/01 Pentachlorophenol BDL 1 10/31/01
Phenanthrene BDL NR 10/31/01 Picloram BDL 500 10/31/01
Propachlor BDL NR 10/31/01 Pyrene BDL NR 10/31/01
Silvex BDL 50 10/31/01 Simazine BDL 4 10/31/01
Toxaphene BDL 3 10/31/01 bis (2-ethylhexyl) adipate BDL NR 10/31/01
bis (2-Ethylhexyl) phthalate BDL 6 10/31/01
Page 2 of 2
PENNICHUCK WATER WORKS
WATER QUALITY REPORT
HARDWOOD - WINDHAM, NH
EPA # 2542060
INORGANIC CONTAMINANTS (b) SECONDARY CONTAMINANTS (b) - AESTHETIC
Analyte Results MCL Date Analyte Results SMCL Date
Antimony (µg/L) < 2 6 11/8/06 Chloride (mg/L) 96 250 11/8/06
Arsenic (µg/L) <2 10 5/1/07 Fluoride (mg/L) < 0.2 2 11/8/06
Barium (mg/L) <0.01 2 11/8/06 Iron (µg/L) <0.01 300 4/18/07
Beryllium (µg/L) < 2 4 11/8/06 Manganese (µg/L) <0.01 50 4/18/07
Cadmium (µg/L) <2 5 11/8/06 pH (Units) 8.31 6.5 – 8.5 4/18/07
Chromium (µg/L) <10 100 11/8/06 Silver (µg/L) <4 100 11/8/06
Cyanide (ug/L) <10 200 11/8/06 Sodium (mg/L) 32.1 100-250 11/8/06
Fluoride (mg/L) < 0.2 4 11/8/06 Sulfate (mg/L) 30.7 250 11/8/06
Mercury (µg/L) <0.2 2 11/8/06 Zinc (mg/L) 0.522 5 11/8/06
Nickel (µg/L) <10 100 11/8/06
Nitrate-N (mg/L) < 0.2 10 11/8/06 RADIOLOGICAL CONTAMINANTS (b)
Nitrite-N (mg/L) < 0.05 1 11/8/06 Analyte (Units) Results MCL Date
Selenium (µg/L) < 5 50 11/8/06 Adjusted Gross Alpha (pCi/L) 2.9 15 4/26/05
Thallium (µg/L) < 1 2 11/8/06 Radon Gas (pCi/L) <200 NR 5/1/07
Uranium (µg/L) 0.9 30 4/26/05
Microbiological Contaminants (a) Results MCL Date Radium - 226 (pCi/L) 0.1 5 4/26/05
Total Coliform Absent <1\month Monthly Radium - 228 (pCi/L) 0.2 5 4/26/05
E. coli Absent Absent Monthly UNREGULATED CONTAMINANTS (b)
Chlorine Residual (mg/L) <0.1-0.75 <4.0 Weekly Analyte (Units) Results Date
FIRST DRAW LEAD AND COPPER (a) Alkalinity as CaCO3 (mg/L) 211 11/8/06
Analyte Results AL Date Chlorine Residual (mg/L) 0.1-1.0 Avg
Lead (µg/L) 90th percentile sample <5 15 2006 Specific Conductance (umhos/cm2) 706 11/8/06
Copper (mg/L) 90th percentile sample 0.406 1.3 2006 Total Hardness as CaCO3 (mg/L) 39.9 4/18/07
Calcium (mg/L) 14 4/18/07
Magnesium (mg/L) 1.2 4/18/07
Orthophosphate (mg/L)  average 2.04 Monthly
KEY TO ABBREVIATIONS
Text Box: AL Action Level - The concentration of a contaminant which, if exceeded triggers treatment of or other requirements which a water system must follow.
MCL Maximum Contaminant Level - The highest level of a contaminant that is allowed in drinking water.
SMCL Secondary Maximum Contaminant Level - The highest level of a contaminant that affects the aesthetic characteristics ( taste, odor, or color) of drinking water.
NR Not Regulated - Contaminants test for but not regulated by the State or EPA.
(a) samples taken from the distribution system.
(b) samples taken from the distribution entry point.
mg/L milligrams per Liter or parts per million.
µg/L micrograms per Liter or parts per billion.
pCi/L picocuries per Liter (measure of radioactivity)
N/A Not Applicable        nd not detected
Text Box: If you have any questions about this report, or about your water quality, please call Gary Tetley, Water Quality Manager, at 1-603-913-2378 or 1-800-553-5191.
Additional information about contaminants and their potential health effects can be obtained by calling the Environmental Protection Agency's Safe Drinking Water Hotline 1-800-426-4791.