Page 1 of 2 Update: 5/22/07
PENNICHUCK WATER WORKS
WATER QUALITY REPORT
BADGER HILL - MILFORD, NH
EPA # 1562030
VOLATILE ORGANIC CONTAMINANTS (b) (Units µg/L) 
Analyte Result MCL Date Analyte Result MCL Date
1,1,1,2-Tetrachloroethane < 0.5 NR 10/28/04 Diisopropyl Ether (DIPE) < 0.5 NR 10/28/04
1,1,1-Trichloroethane < 0.5 200 10/28/04 Ethyl Tert-Butyl Ether (ETBE) < 0.5 NR 10/28/04
1,1,2,2-Tetrachloroethane < 0.5 NR 10/28/04 Ethylbenzene < 0.5 700 10/28/04
1,1,2-Trichloroethane < 0.5 5 10/28/04 Hexachlorobutadiene < 0.5 NR 10/28/04
1,1-Dichloroethane < 0.5 NR 10/28/04 Isopropylbenzene < 0.5 NR 10/28/04
1,1-Dichloroethane < 0.5 7 10/28/04 m/p - Xylenes < 0.5 NR 10/28/04
1,1-Dichloropropylene < 0.5 NR 10/28/04 Methyl ethyl ketone (MEK) 2-Butanone < 0.5 NR 10/28/04
1,2,3-Trichlorobenzene < 0.5 NR 10/28/04 Methylene chloride < 0.5 5 10/28/04
1,2,3-Trichloropropane < 0.5 NR 10/28/04 Methyl-t-butyl-ether (MtBE) < 0.5 13 10/28/04
1,2,4-Trichlorobenzene < 0.5 70 10/28/04 Napthalene < 0.5 NR 10/28/04
1,2,4-Trimethylbenzene < 0.5 NR 10/28/04 n-Butylbenzene < 0.5 NR 10/28/04
1,2-Dibromo - 3- chloropropane < 0.5 0.2 10/28/04 Nitrobensene < 0.5 NR 10/28/04
1,2-Dibromoethane < 0.5 NR 10/28/04 n-Proplybenzene < 0.5 NR 10/28/04
1,2-Dichlorobenzene < 0.5 600 10/28/04 o-Chlorotoluene < 0.5 NR 10/28/04
1,2-Dichloroethane < 0.5 5 10/28/04 o-Xylene < 0.5 NR 10/28/04
1,2-Dichloropropane < 0.5 5 10/28/04 p-Chlorotoluene < 0.5 NR 10/28/04
1,3,5-Trimethylbenzene < 0.5 NR 10/28/04 sec Butylbenzene < 0.5 NR 10/28/04
1,3-Dichlorobenzene < 0.5 NR 10/28/04 Styrene < 0.5 100 10/28/04
1,3-Dichloropropane < 0.5 NR 10/28/04 Tert-Amyl Methyl Ether (TAME) < 0.5 NR 10/28/04
1,4-Dichlorobenzene < 0.5 75 10/28/04 Tert-Butyl Alcohol (TBA) < 0.5 NR 10/28/04
2,2-Dichloropropane < 0.5 NR 10/28/04 Tert-Butylbenzene < 0.5 NR 10/28/04
2-Hexanone < 0.5 NR 10/28/04 Tetrachloroethylene < 0.5 5 10/28/04
4 Methyl-2-Pentanone (MIBK) < 0.5 NR 10/28/04 Tetrachloromethane < 0.5 NR 10/28/04
4-Isopropyltoluene < 0.5 NR 10/28/04 Tetrahydrofuran < 0.5 NR 10/28/04
Acetone < 0.5 NR 10/28/04 Toluene < 0.5 1000 10/28/04
Benzene < 0.5 5 10/28/04 Total Xylenes < 0.5 10,000 10/28/04
Bromobenzene < 0.5 NR 10/28/04 Trans-1, 2-Dichloroethylene < 0.5 100 10/28/04
Bromochloromethane < 0.5 NR 10/28/04 Trans-1, 3-Dichloropropylene < 0.5 NR 10/28/04
Bromomethane < 0.5 NR 10/28/04 Trichloroethylene < 0.5 5 10/28/04
Carbon Disulfide < 0.5 NR 10/28/04 Trichlorofluromethane < 0.5 NR 10/28/04
Chlorobenzene < 0.5 100 10/28/04 Vinyl chloride < 0.5 2 10/28/04
Chloroethane < 0.5 NR 10/28/04
Chloromethane < 0.5 NR 10/28/04  TRIHALOMETHANES 
cis-1, 2-Dichloroethylene < 0.5 70 10/28/04 Bromodichloromethane < 0.5 80 10/28/04
cis-1, 3-Dichloropropylene < 0.5 NR 10/28/04 Bromoform < 0.5 80 10/28/04
Dibromomethane < 0.5 NR 10/28/04 Chlorodibromomethane  < 0.5 80 10/28/04
Dichlorodifluoromethane < 0.5 NR 10/28/04 Chloroform  < 0.5 80 10/28/04
Diethyl ether < 0.5 NR 10/28/04 Total Trihalomethanes  < 0.5 80 10/28/04
SYNTHETIC ORGANIC CONTAMINANTS (b) (Units µg/L)
2,4-D BDL 70 11/5/01 3-Hydorxycarbofuran BDL NR 11/5/01
Acenaphthylene BDL NR 11/5/01 Alachlor BDL 2 11/5/01
Aldicarb BDL NR 11/5/01 Aldicarb Sulfone BDL NR 11/5/01
Aldicarb Sulfoxide BDL NR 11/5/01 Aldrin BDL NR 11/5/01
Anthracene BDL NR 11/5/01 Atrazine BDL 3 11/5/01
Benzo (A) anthracene BDL NR 11/5/01 Benzo (A) pyrene BDL NR 11/5/01
Benzo (B) fluoranthene BDL NR 11/5/01 Benzo (G,H,I) perylene BDL NR 11/5/01
Benzo (K) fluoranthene BDL NR 11/5/01 Butachlor BDL NR 11/5/01
Butylbenzylphthalate BDL NR 11/5/01 Carbaryl BDL NR 11/5/01
Carbofuran BDL 40 11/5/01 Chlordane BDL 2 11/5/01
Chrysene BDL NR 11/5/01 Di-n-butylphthalate BDL NR 11/5/01
Dibenz (A,H) anthracene BDL NR 11/5/01 Dibromochloropropane BDL NR 11/5/01
Dicamba BDL NR 11/5/01 Dieldrin BDL NR 11/5/01
Diethylphthalate BDL NR 11/5/01 Dimethylphthalate BDL NR 11/5/01
Dinoseb BDL 7 11/5/01 Endrin BDL 2 11/5/01
Ethylene dibromide BDL 0.05 11/5/01 Fluorene BDL NR 11/5/01
Glyphosate BDL 700 11/5/01 Heptachlor BDL 0.4 11/5/01
Heptachlor Epoxide BDL 0.2 11/5/01 Hexachlorobenzene BDL 1 11/5/01
Hexachlorocyclopentadiene BDL 50 11/5/01 Indeno (1,2,3-CD) pyrene BDL NR 11/5/01
Isophorone BDL NR 11/5/01 Lindane BDL 0.2 11/5/01
Methomyl BDL NR 11/5/01 Methoxychlor BDL 40 11/5/01
Metholachlor BDL NR 11/5/01 Metribuzin BDL NR 11/5/01
Oxamyl BDL 200 11/5/01 Pentachlorophenol BDL 1 11/5/01
Phenanthrene BDL NR 11/5/01 Picloram BDL 500 11/5/01
Propachlor BDL NR 11/5/01 Pyrene BDL NR 11/5/01
Silvex BDL 50 11/5/01 Simazine BDL 4 11/5/01
Toxaphene BDL 3 11/5/01 bis (2-ethylhexyl) adipate BDL NR 11/5/01
bis (2-Ethylhexyl) phthalate BDL 6 11/5/01
Page 2 of 2
PENNICHUCK WATER WORKS
WATER QUALITY REPORT
BADGER HILL - MILFORD, NH
EPA # 1562030
INORGANIC CONTAMINANTS (b) SECONDARY CONTAMINANTS (b) - AESTHETIC
Analyte Results MCL Date Analyte Results SMCL Date
Antimony (µg/L) < 2 6 10/18/05 Chloride (mg/L) 13 250 10/18/05
Arsenic (µg/L) <2 10 10/18/05 Fluoride (mg/L) <0.20 2 10/18/05
Barium (mg/L) 0.098 2 10/18/05 Iron (µg/L) 809 300 10/18/05
Beryllium (µg/L) < 2 4 10/18/05 Manganese (µg/L) 110 50 10/18/05
Cadmium (µg/L) < 2 5 10/18/05 pH (Units) 7.02 6.5 – 8.5 10/18/05
Chromium (µg/L) < 10 100 10/18/05 Silver (µg/L) < 4 100 10/18/05
Copper (mg/L) < 0.01 AL-1.3 10/18/05 Sodium (mg/L) 9.4 100-250 10/18/05
Cyanide (µg/L) < 10 200 10/18/05 Sulfate (mg/L) 26.7 250 10/18/05
Fluoride (mg/L) <0.20 4 10/18/05 Zinc (mg/L) 0.145 5 10/18/05
Lead (µg/L) < 5 AL 15 10/18/05
Mercury (µg/L) < 0.2 2 10/18/05 RADIOLOGICAL CONTAMINANTS (b)
Nickel (µg/L) < 10 100 10/18/05 Analyte (Units) Results MCL Date
Nitrate-N (mg/L) < 0.2 10 11/15/06 Adjusted Gross Alpha (pCi/L) 4.6 15 10/18/05
Nitrite-N (mg/L) < 0.05 1 10/18/05 Radium 226 (pCi/L) 1.1 5 10/18/05
Selenium (µg/L) < 5 50 10/18/05 Radium 228 (pCi/L) 0.8 5 10/18/05
Thallium (µg/L) < 1 2 10/18/05 Radon Gas (pCi/L) 4490 None 5/22/07
Uranium (µg/L) 4.3 30 10/18/05
FIRST DRAW LEAD AND COPPER (a) UNREGULATED CONTAMINANTS (b)
Analyte Results AL Date Analyte (Units) Results Date
Lead (µg/L) 90th percentile sample BDL 15 Jan-04 Alkalinity as CaCO3 (mg/L) 76 10/18/05
Copper (mg/L) 90th percentile sample 0.45 1.3 Jan-04 Specific Conductance (umhos/cm2) 264 10/18/05
Total Hardness as CaCO3 (mg/L) 106 10/18/05
Microbiological Contaminants (a) Results MCL Date Calcium (mg/L) 30.4 10/18/05
Total Coliform Absent < 1/month Monthly Magnesium (mg/L) 7.2 10/18/05
E. coli Absent Absent Monthly
Chlorine Residual (mg/L) <0.1-0.3 <4.0 Weekly
KEY TO ABBREVIATIONS