|
2001 WATER QUALITY DATA
|
CONTAMINANT |
VIOLATION
YES/NO |
LEVEL FOUND |
RANGE |
MCLG |
MCL |
YEAR AVERAGE |
LIKELY SOURCE OF CONTAMINATION |
Microbiological Contaminants
|
Turbidity |
NO |
0.57 NTU |
0.05-0.57 NTU |
TT |
SEE
[A] |
0.13 NTU |
Soil Run-Off |
|
Total Coliform |
NO |
(ND) |
(ND) |
(ND) |
SEE
[B] |
(ND) |
Naturally present in the environment |
[A] The turbidity limit is 0.5 NTU in 95% of the daily samples and
shall not exceed 5 NTU at any time
[B] Any presence of coliform bacteria
in > 5% of the monthly samples
Inorganic Contaminants (Regulated at the Treatment Plant)
|
Nitrate |
NO |
0.82 mg/L |
<0.10-0.82 mg/L |
10 mg/L |
10 mg/l |
0.33 mg/L |
Run-Off from fertilizer use and animal grazing |
|
Fluoride |
NO |
1.07 mg/L |
0.93 –1.07 mg/L |
4 mg/L |
4 mg/L |
1.02 mg/L |
Erosion of natural deposits, additive which promotes strong teeth |
|
Sulfate (ppm) |
NO |
78 |
N/A |
N/A |
250 |
78 |
Naturally occurring deposits; |
| Barium (ppb) |
NO |
|
36 |
N/A |
|
200 |
200 |
36 |
Refineries,
drilling,erosion |
(Regulated at Your Tap)
|
Copper |
NO |
90th percentile
110.0 ppb |
<10 – 220 ppb |
1300 ppb |
AL=
1300 ppb |
65.6 ppb |
Corrosion of household plumbing systems |
|
Lead |
NO |
90th percentile
4.4 ppb |
< 2.0 – 8.5 ppb |
15 ppb |
AL=15 ppb |
1.3 ppb |
Corrosion of household plumbing systems |
Note: Lead and copper monitoring is only required once in every three
year monitoring period. The monitoring period was
completed in 2001. There were NO samples that exceeded 15ppb of lead and
NO samples exceeded 1300 ppb of copper in 2001.
Volatile Organic Contaminants (Regulated at the Treatment Plant)
|
Chloroform
Bromoform
Bromodichloromethane
Dibromochloromethane
|
NO
NO
NO
NO
|
19.6 ppb
0.5 ppb
12.2ppb
6.5 ppb
|
15.0 – 19.6
< 0.5 – 0.50
8.5 – 12.2
4.1 – 6.5
|
N/A
N/A
N/A
N/A
|
100 ppb |
16.4 ppb
0.4 ppb
13.3 ppb
4.4 ppb
|
By-Product of drinking water chlorination |
Volatile Organic Contaminants (Regulated in the
Distribution System)
|
TTHMs
Total Trihalomethanes |
NO |
65.2 ppb |
48.7-65.2 |
0 |
100
ppb |
57.7 ppb |
By-Product of drinking water chlorination |
Note: Some people who drink water containing
trihalomethanes in excess of the MCL over many years may experience problems
with their liver, kidneys, or central nervous systems, and may have an
increased risk of getting cancer.
Radioactive Contaminants (Regulated at the Treatment Plant)
|
Gross Alpha PCi/L |
NO |
< 3 pCi/L |
NA |
0 |
15 pCi/L |
< 3 pCi/L |
Erosion of natural deposits
|
|
Gross Beta PCi/L |
NO |
< 4 pCi/L |
NA |
0 |
Al=50 pCi/L |
< 4 pCi/L |
Decay of natural and man made deposits |
Note: Radioactive monitoring is only required once a year.
Synthetic Organic Contaminants (Regulated at the Plant)
|
Atrazine (ppb) |
No |
0.39 ppb |
<0.3-0.39 ppb |
3.0 ppb
|
3.0ppb |
<0.3 ppb |
Runoff from herbicide used on row crops |
|
