| Autumn
Woods |
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EPA # 2052070 |
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| Inorganic
Contaminants |
Date Collected |
Highest Detect |
Range Detected |
MCL or MRDL |
MCLG or MRDLG |
Violation Yes/No |
Typical Source of Contaminant |
| Arsenic
(ppb) |
7/13/10
7/28/10 |
11 |
nd - 11 |
10 |
N/A |
No |
Erosion of natural deposits; runoff from
orchards; runoff from glass and electronics production wastes. |
| Barium (ppm) |
7/13/10 7/28/10 |
0.031 |
nd - 0.031 |
2 |
2 |
No |
Erosion of natural deposits; discharge from
metal refineries |
| Cadmium (ppb) |
7/13/10 7/28/10 |
2 |
nd - 2 |
5 |
5 |
No |
Corrosion of galvanized pipes; erosion of
natural deposits; discharge from metal refineries; runoff from waste
batteries and paints |
| Fluoride (ppm) |
7/13/10 7/28/10 |
0.24 |
0.23 - 0.24 |
4 |
4 |
No |
Erosion of natural deposits |
| Sodium (ppm) |
8/2/07 9/22/08 |
11 |
7.5 - 11 |
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 |
0.1 - 0.8 |
4 |
4 |
No |
Water additive used to control microbes |
| Total
Trihalomethanes (ppb) |
8/10/10 |
20.0 |
N/A |
80 |
0 |
No |
By-product of drinking water chlorination |
| Haloacetic
Acids (ppb) |
8/10/10 |
6.5 |
N/A |
60 |
0 |
No |
By-product of drinking water chlorination |
| Radiological
Contaminants |
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| Compliance Gross Alpha
(pCi/L) |
2009 |
36 |
nd - 36 |
15 |
0 |
No |
Erosion of natural deposits |
| Uranium
(ppb) |
2009 |
5.9 |
0.4 - 5.9 |
30 |
0 |
No |
Erosion of natural deposits |
| Radium
226 & 228 (pCi/L) |
2009 |
3.4 |
nd - 3.4 |
5 |
0 |
No |
Erosion of natural deposits |
| Radon |
5/11/10 |
1,210 |
N/A |
Not Regulated |
N/A |
Erosion of natural deposits |
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Date Collected |
90th Percentile |
Action Level |
MCLG |
# of Sites Sampled |
# Sites Above Action Level |
Violation Yes/No |
Typical Source of Contaminant |
| Lead (ppb) |
5/22/08 |
< 5 |
15 |
0 |
5 |
0 |
No |
Corrosion of household plumbing system |
| Copper
(ppm) |
5/22/08 |
0.781 |
1.3 |
1.3 |
5 |
1 |
No |
Corrosion of household plumbing system |
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| What is the
source of my drinking water? |
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| The sources of the Autumn Woods water supply is three wells
located off Route 111 in North Salem, NH.
Well #1 is located 175' north of the pump house, well # 3 is located
91' north of the pump house, and well # 4 is located 1,160' northeast of the
pump house. Treatment consists of
chlorine for disinfection and filtration to remove iron and manganese. An aeration device is used to remove radon
from the water. |
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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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| Bed Rock
Well # 1 - 001 |
12/30/02 |
8 |
3 |
1 |
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| Bed Rock
Well # 3 - 002 |
12/30/02 |
9 |
2 |
1 |
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| Bed Rock
Well # 4 - 003 |
12/30/02 |
9 |
2 |
1 |
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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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