|
2007 MONITORING RESULTS FOR CONTAMINANTS IN DRINKING
WATER
|
|
MICROBIOLOGICAL CONTAMINANTS |
Contaminant |
Unit |
MCLG Health Goal |
MCL EPA’s Limits |
Annual Average |
Highest Level & Range
Detected |
Potential Source of Contamination |
**Coliform Bacteria |
+/- |
0 |
1
positive monthly sample |
|
|
Naturally
present in the environment |
| OrganicCarbon |
ppm |
NA |
TT |
4.35 |
5.76 |
Naturally
present in the environment |
| MEASURED IN PPM IN THE
SOURCE WATER |
| Turbidity |
NTU |
0.3 |
0.3 |
|
0.6 |
Soil
Runoff |
| INORGANIC CONTAMINANTS |
| Barium |
ppm |
2 |
2 |
|
0.41
(2002) |
Discharge
of drilling wastes, metal refineries; erosion of natural deposit |
| Copper |
ppm |
1.3 |
1/3-AL |
0.015 |
0.62
(90th percentile) |
Corrosion
of household plumbing systems; erosion of natural deposits |
| Fluoride |
ppm |
4 |
4 |
0.14 |
0.14 |
Erosion
of natural deposits; water additive which promotes strong
teeth; discharge from fertilizer and aluminum factories |
| Gross
beta emitters (2005) |
pCi/L |
0 |
50 |
3.1 |
3.1 |
Decay
of natural and man-made deposits. |
| Lead |
ppb |
0 |
15=AL |
11 |
11 (90th percentile) |
Corrosion
of household plumbing systems; erosion of natural deposits;
leaching from wood preservatives |
| Nitrate |
ppb |
10 |
10 |
0.16 |
0.16 |
Runoff
from fertilizer use; leaching from septic tanks, sewage;
erosion of natural deposits |
|
SYNTHETIC CONTAMINANTS |
| Atrazine |
ppb |
3 |
3 |
0 |
0 |
Runoff
from herbicide used on row crops |
|
VOLATILE ORGANIC CONTMINANTS & DYSINFECTION
BY-PRODUCTS |
| Chloramines |
ppm |
<4.0 |
4.0 |
3.8 |
10.1 |
Disinfectant
used to control microbes |
| Haloacetic
Acides |
ppb |
60 |
60 |
58.7 |
83.6 |
Byproduct
of drinking water disinfection |
| Trihalomethanes |
ppb |
80 |
80 |
64.7 |
77.2 |
Byproduct
of drinking water |
TOTAL ORGANIC CARBON |
| Source
Water |
ppm |
NA |
NA |
7.07 |
10.0 |
Naturally
present in the environment |
| Drinking
Water |
ppm |
NA |
NA |
4.35 |
5.76 |
Naturally
present in the environment |
| Removal
Ratio |
%removal |
NA |
NA |
0.98 |
1.5 |
NA |