| Page 1
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Update: |
5/7/07 |
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| PENNICHUCK WATER
WORKS |
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| WATER QUALITY
REPORT |
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| TWIN RIDGE -
PLAISTOW, NH |
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| EPA # 1932050 |
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| VOLATILE ORGANIC
CONTAMINANTS (b) (Units µg/L) |
|
| Analyte |
Result |
MCL |
Date |
|
Analyte |
Result |
MCL |
Date |
|
| 1,1,1,2-Tetrachloroethane |
< 0.5 |
NR |
9/27/06 |
|
Diisopropyl Ether (DIPE) |
< 0.5 |
NR |
9/27/06 |
|
| 1,1,1-Trichloroethane |
< 0.5 |
200 |
9/27/06 |
|
Ethyl Tert-Butyl Ether (ETBE) |
< 0.5 |
NR |
9/27/06 |
|
| 1,1,2,2-Tetrachloroethane |
< 0.5 |
NR |
9/27/06 |
|
Ethylbenzene |
< 0.5 |
700 |
9/27/06 |
|
| 1,1,2-Trichloroethane |
< 0.5 |
5 |
9/27/06 |
|
Hexachlorobutadiene |
< 0.5 |
NR |
9/27/06 |
|
| 1,1-Dichloroethane |
< 0.5 |
NR |
9/27/06 |
|
Isopropylbenzene |
< 0.5 |
NR |
9/27/06 |
|
| 1,1-Dichloroethane |
< 0.5 |
7 |
9/27/06 |
|
m/p - Xylenes |
< 0.5 |
NR |
9/27/06 |
|
| 1,1-Dichloropropylene |
< 0.5 |
NR |
9/27/06 |
|
Methyl ethyl ketone (MEK) 2-Butanone |
< 0.5 |
NR |
9/27/06 |
|
| 1,2,3-Trichlorobenzene |
< 0.5 |
NR |
9/27/06 |
|
Methylene chloride |
< 0.5 |
5 |
9/27/06 |
|
| 1,2,3-Trichloropropane |
< 0.5 |
NR |
9/27/06 |
|
Methyl-t-butyl-ether (MtBE) |
< 0.5 |
13 |
9/27/06 |
|
| 1,2,4-Trichlorobenzene |
< 0.5 |
70 |
9/27/06 |
|
Napthalene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2,4-Trimethylbenzene |
< 0.5 |
NR |
9/27/06 |
|
n-Butylbenzene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2-Dibromo -
3- chloropropane |
< 0.5 |
0.2 |
9/27/06 |
|
Nitrobensene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2-Dibromoethane |
< 0.5 |
NR |
9/27/06 |
|
n-Proplybenzene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2-Dichlorobenzene |
< 0.5 |
600 |
9/27/06 |
|
o-Chlorotoluene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2-Dichloroethane |
< 0.5 |
5 |
9/27/06 |
|
o-Xylene |
< 0.5 |
NR |
9/27/06 |
|
| 1,2-Dichloropropane |
< 0.5 |
5 |
9/27/06 |
|
p-Chlorotoluene |
< 0.5 |
NR |
9/27/06 |
|
| 1,3,5-Trimethylbenzene |
< 0.5 |
NR |
9/27/06 |
|
sec Butylbenzene |
< 0.5 |
NR |
9/27/06 |
|
| 1,3-Dichlorobenzene |
< 0.5 |
NR |
9/27/06 |
|
Styrene |
< 0.5 |
100 |
9/27/06 |
|
| 1,3-Dichloropropane |
< 0.5 |
NR |
9/27/06 |
|
Tert-Amyl Methyl Ether (TAME) |
< 0.5 |
NR |
9/27/06 |
|
| 1,4-Dichlorobenzene |
< 0.5 |
75 |
9/27/06 |
|
Tert-Butyl Alcohol (TBA) |
< 0.5 |
NR |
9/27/06 |
|
| 2,2-Dichloropropane |
< 0.5 |
NR |
9/27/06 |
|
Tert-Butylbenzene |
< 0.5 |
NR |
9/27/06 |
|
| 2-Hexanone |
< 0.5 |
NR |
9/27/06 |
|
Tetrachloroethylene |
< 0.5 |
5 |
9/27/06 |
|
| 4
Methyl-2-Pentanone (MIBK) |
< 0.5 |
NR |
9/27/06 |
|
Tetrachloromethane |
< 0.5 |
NR |
9/27/06 |
|
| 4-Isopropyltoluene |
< 0.5 |
NR |
9/27/06 |
|
Tetrahydrofuran |
< 0.5 |
NR |
9/27/06 |
|
| Acetone |
< 0.5 |
NR |
9/27/06 |
|
Toluene |
< 0.5 |
1000 |
9/27/06 |
|
| Benzene |
< 0.5 |
5 |
9/27/06 |
|
Total Xylenes |
< 0.5 |
10,000 |
9/27/06 |
|
| Bromobenzene |
< 0.5 |
NR |
9/27/06 |
|
Trans-1, 2-Dichloroethylene |
< 0.5 |
100 |
9/27/06 |
|
| Bromochloromethane |
< 0.5 |
NR |
9/27/06 |
|
Trans-1, 3-Dichloropropylene |
< 0.5 |
NR |
9/27/06 |
|
| Bromomethane |
< 0.5 |
NR |
9/27/06 |
|
Trichloroethylene |
< 0.5 |
5 |
9/27/06 |
|
| Carbon
Disulfide |
< 0.5 |
NR |
9/27/06 |
|
Trichlorofluromethane |
< 0.5 |
NR |
9/27/06 |
|
| Chlorobenzene |
< 0.5 |
100 |
9/27/06 |
|
Vinyl chloride |
< 0.5 |
2 |
9/27/06 |
|
| Chloroethane |
< 0.5 |
NR |
9/27/06 |
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9/27/06 |
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| Chloromethane |
< 0.5 |
NR |
9/27/06 |
|
TRIHALOMETHANES |
|
| cis-1,
2-Dichloroethylene |
< 0.5 |
70 |
9/27/06 |
|
Bromodichloromethane |
0.7 |
80 |
9/27/06 |
|
| cis-1,
3-Dichloropropylene |
< 0.5 |
NR |
9/27/06 |
|
Bromoform |
5.4 |
80 |
9/27/06 |
|
| Dibromomethane |
< 0.5 |
NR |
9/27/06 |
|
Dibromchloromethane |
2.3 |
80 |
9/27/06 |
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| Dichlorodifluoromethane |
< 0.5 |
NR |
9/27/06 |
|
Chloroform |
< 0.5 |
80 |
9/27/06 |
|
| Diethyl ether |
< 0.5 |
NR |
9/27/06 |
|
Total
Trihalomethanes |
8.4 |
80 |
9/27/06 |
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| SYNTHETIC ORGANIC
CONTAMINANTS (b) (Units µg/L) |
|
| 2,4,5-TP
(Silvex) |
BDL |
50 |
9/27/06 |
|
Dinoseb |
BDL |
7 |
9/27/06 |
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| 2,4-D |
BDL |
70 |
9/27/06 |
|
Endrin |
BDL |
2 |
9/27/06 |
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| 3-Hydorxycarbofuran |
BDL |
NR |
9/27/06 |
|
Ethylene dibromide (EDB) |
BDL |
0.05 |
9/27/06 |
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| Alachlor |
BDL |
2 |
9/27/06 |
|
Fluorene |
BDL |
NR |
9/27/06 |
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| Aldicarb |
BDL |
NR |
9/27/06 |
|
Glyphosate |
BDL |
700 |
9/27/06 |
|
| Aldicarb
Sulfone |
BDL |
NR |
9/27/06 |
|
Heptachlor |
BDL |
0.4 |
9/27/06 |
|
| Aldicarb
Sulfoxide |
BDL |
NR |
9/27/06 |
|
Heptachlor Epoxide |
BDL |
0.2 |
9/27/06 |
|
| Aldrin |
BDL |
NR |
9/27/06 |
|
Hexachlorobenzene |
BDL |
1 |
9/27/06 |
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| Atrazine |
BDL |
3 |
9/27/06 |
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Hexachlorocyclopentadiene |
BDL |
50 |
9/27/06 |
|
| Benzo (A)
pyrene |
BDL |
NR |
9/27/06 |
|
Lindane |
BDL |
0.2 |
9/27/06 |
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| Butachlor |
BDL |
NR |
9/27/06 |
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Metholachlor |
BDL |
NR |
9/27/06 |
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| Carbaryl |
BDL |
NR |
9/27/06 |
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Methomyl |
BDL |
NR |
9/27/06 |
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| Carbofuran |
BDL |
40 |
9/27/06 |
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Methoxychlor |
BDL |
40 |
9/27/06 |
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| Chlordane |
BDL |
2 |
9/27/06 |
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Metribuzin |
BDL |
NR |
9/27/06 |
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| Di
(2-ethylhexyl) adipate |
BDL |
NR |
9/27/06 |
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Oxamyl (Vydate) |
BDL |
200 |
9/27/06 |
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| Di
(2-Ethylhexyl) phthalate |
BDL |
6 |
9/27/06 |
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Pentachlorophenol |
BDL |
1 |
9/27/06 |
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| Dibromochloropropane
(DBCP) |
BDL |
NR |
9/27/06 |
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Picloram |
BDL |
500 |
9/27/06 |
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| Dicamba |
BDL |
NR |
9/27/06 |
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Propachlor |
BDL |
NR |
9/27/06 |
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| Dieldrin |
BDL |
NR |
9/27/06 |
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Simazine |
BDL |
4 |
9/27/06 |
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Toxaphene |
BDL |
3 |
9/27/06 |
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| Page 2 of 2 |
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| PENNICHUCK WATER
WORKS |
|
| WATER QUALITY
REPORT |
|
| TWIN RIDGE -
PLAISTOW, NH |
|
| EPA # 1932050 |
|
|
|
|
|
|
|
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| INORGANIC
CONTAMINANTS (b) |
|
SECONDARY CONTAMINANTS (b) - AESTHETIC |
|
| Analyte |
Results |
MCL |
Date |
|
Analyte |
Results |
SMCL |
Date |
|
| Antimony (µg/L) |
< 2 |
6 |
9/27/06 |
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Chloride (mg/L) |
442 |
250 |
9/27/06 |
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| Arsenic
(µg/L) |
<2 |
10 |
9/27/06 |
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Fluoride (mg/L) |
1.89 |
2 |
2/12/07 |
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| Barium (mg/L) |
0.029 |
2 |
9/27/06 |
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Iron (µg/L) |
<10 |
300 |
3/27/07 |
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| Beryllium
(µg/L) |
< 2 |
4 |
9/27/06 |
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Manganese (µg/L) |
<10 |
50 |
3/27/07 |
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| Cadmium
(µg/L) |
<2 |
5 |
9/27/06 |
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pH (Units) |
8.1 |
6.5 – 8.5 |
3/27/07 |
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| Chromium
(µg/L) |
<10 |
100 |
9/27/06 |
|
Silver (µg/L) |
<4 |
100 |
9/27/06 |
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| Cyanide
(µg/L) |
<10 |
200 |
9/27/06 |
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Sodium (mg/L) |
257 |
100-250 |
9/27/06 |
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| Fluoride
(mg/L) |
1.63 |
4 |
5/7/07 |
|
Sulfate (mg/L) |
23.1 |
250 |
9/27/06 |
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| Mercury
(µg/L) |
<0.2 |
2 |
9/27/06 |
|
Zinc (mg/L) |
0.01 |
5 |
9/27/06 |
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| Copper (µg/L) |
18 |
1300 |
9/27/06 |
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| Nickel (µg/L) |
<10 |
100 |
9/27/06 |
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| Nitrate-N
(mg/L) |
< 0.2 |
10 |
9/27/06 |
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RADIOLOGICAL CONTAMINANTS (b) |
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| Nitrite-N
(mg/L) |
< 0.05 |
1 |
9/27/06 |
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Analyte (Units) |
Results |
MCL |
Date |
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| Selenium
(µg/L) |
<5 |
50 |
9/27/06 |
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Adjusted Gross Alpha (pCi/L) |
2.1 |
15 |
5/5/05 |
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| Thallium
(µg/L) |
< 1 |
2 |
9/27/06 |
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Radon Gas (pCi/L) |
262 |
None |
4/23/07 |
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Radium 226 (pCi/L) |
0.1 |
5 |
5/5/05 |
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| FIRST DRAW LEAD AND
COPPER (a) |
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Radium
228 (pCi/L) |
0.4 |
5 |
5/5/05 |
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| Analyte |
Results |
AL |
Date |
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Uranium (ug/L) |
7.2 |
30 |
5/5/05 |
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| Lead (µg/L) 90th percentile
sample |
14 |
15 |
8/30/06 |
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UNREGULATED CONTAMINANTS (b) |
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| Copper (mg/L)
90th percentile sample |
0.2 |
1.3 |
8/30/06 |
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Analyte (Units) |
Results |
Date |
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Alkalinity as CaCO3 (mg/L) |
129 |
9/27/06 |
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| Microbiological Contaminants
(a) |
Results |
MCL |
Date |
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Specific Conductance (umhos/cm2) |
1700 |
9/27/06 |
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| Total Coliform |
Absent |
< 1/month |
Monthly |
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Total Hardness as CaCO3 (mg/L) |
92 |
3/27/07 |
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| E. coli |
Absent |
Absent |
Monthly |
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Calcium (mg/L) |
26.8 |
3/27/07 |
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| Chlorine
Residual (mg/L) |
0.1-0.7 |
<4.0 |
Weekly |
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Magnesium (mg/L) |
6.1 |
3/27/07 |
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Hydrogen Sulfide (mg/L) |
0.09 |
9/27/06 |
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Sulfide (mg/L) |
1.2 |
9/27/06 |
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ABBREVIATIONS |
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