| Lamplighter
Village |
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EPA # 2542170 |
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| Inorganic Contaminants |
Date(s)
Collected |
Highest
Detect |
Range
Detected |
MCL or MRDL |
MCLG or MRDLG |
Violation
Yes/No |
Typical Source of Contaminant |
| Barium
(ppm) |
4/19/10 |
0.010 |
N/A |
2 |
2 |
No |
Erosion of natural deposits |
| Sodium (ppm) |
4/19/10 |
12.4 |
N/A |
Not Regulated |
N/A |
Natural sources; runoff from use as salt on
roadways; by-product of treatment process |
| Volatile Organic
Contaminants |
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| Chlorine (ppm) |
2010 |
0.48 Avg |
0.4 - 0.6 |
4 |
4 |
No |
Water additive used to control microbes |
| Total
Trihalomethanes (ppb) |
2/16/10 |
4.3 |
N/A |
80 |
0 |
No |
By-product of drinking water chlorination |
| Haloacetic
Acids (ppb) |
9/2/08 |
1.2 |
N/A |
60 |
0 |
No |
By-product of drinking water chlorination |
| Radiological
Contaminants |
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| Compliance Gross Alpha
(pCi/L) |
2005 |
1.9 |
N/A |
15 |
0 |
No |
Erosion of natural deposits |
| Radium
226 & 228 (pCi/L) |
2005 |
0.6 |
N/A |
5 |
0 |
No |
Erosion of natural deposits |
| Uranium
(ppb) |
2005 |
1.3 |
N/A |
30 |
0 |
No |
Erosion of natural deposits |
| Radon
(pCi/L) |
4/19/10 |
808 |
615 - 795 |
Not Regulated |
N/A |
Erosion of natural deposits |
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Date(s)
Collected |
90th
Percentile |
Action Level |
MCLG |
# of Sites
Sampled |
# Sites Above
Action Level |
Violation
Yes/No |
Typical Source of Contaminant |
| Lead (ppb) |
11/18/08 |
< 5 |
15 |
0 |
8 |
0 |
No |
Corrosion of household plumbing system |
| Copper
(ppm) |
11/18/08 |
1.053 |
1.3 |
1.3 |
8 |
0 |
No |
Corrosion of household plumbing system |
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| What is the
source of my drinking water? |
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| Lamplighter
Village obtains its water from two simultaneously operated bedrock
wells. Bedrock Well # 1 located 450
feet northeast of the pump house is 385 feet deep and yields 25 gallons per
minute. Bedrock Well # 2 located 550
feet east of the pump house is 785 feet deep and yeilds 14 gallons per
minute. Current treatment includes
aeration to reduce radon, disinfection using chlorine to kill bacteria,
greensand filtration to remove iron and manganese, and pH adjustment using
sodium hydroxide to reduce corrosion. |
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| Source Water
Assessment Summary |
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Summary of Susceptibility Factors |
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| Source
Name |
Date |
Low |
Med |
High |
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| Bedrock
Well # 1 |
6/10/05 |
9 |
3 |
0 |
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| Bedrock
Well # 2 |
6/10/05 |
9 |
3 |
0 |
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| The complete Assessment Report is available for
review. For more information call Gary
Tetley at 800-553-5191 ext. 2378 or visit NH Department of Environmental
Services Drinking Water and Groundwater Bureau web site at http://www.des.nh.gov/organization/divisions/water/dwgb/dwspp/reports/index.htm |
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