These results are for 2006.
|
Test |
Date Tested |
Unit |
MCLG
(MRDLG) |
MCL
(MRDL) |
Detected Level |
Range |
Violation |
Major Sources |
|
Lowest |
Highest |
|
Inorganic |
|
Fluoride |
2006 |
ppm |
4 |
4 |
Average: 0.90 |
0.58 |
1.03 |
NO |
Erosion of natural deposits; water additive–promotes strong teeth |
|
Nitrate |
2006 |
ppm |
10 |
10 |
0.09 |
<0.05 |
0.09 |
NO |
Runoff from fertilizer use; leaching from septic tanks; erosion of natural deposits |
|
Nitrate-Nitrite |
2006 |
ppm |
10 |
10 |
0.09 |
<0.05 |
0.09 |
NO |
Runoff from fertilizer use; leaching from septic tanks; erosion of natural deposits |
|
Copper |
2006 |
ppm |
1.3 |
AL=1.3 |
90th percentile: 1.09
Homes exceeding: 2 |
0.04 |
8.4 |
NO |
Corrosion of household plumbing systems |
|
Lead |
2006 |
ppb |
0 |
AL=15 |
90th percentile: 8.6
Homes exceeding: 2 |
<0.5 |
24 |
NO |
Corrosion of household plumbing systems |
|
Microbiological |
|
Turbidity |
2006 |
NTU |
n/a |
TT |
100% of samples meet turbidity standards |
0.05 |
0.46 |
NO |
Erosion and soil runoff |
|
Total coliform |
2006 |
no units |
0 |
Presence of coliform bacteria in >5% of monthly samples |
Coliform bacteria were not detected |
None |
3 |
NO |
Naturally present in the environment |
|
Fecal coliform or E. coli bacteria |
Fecal coliform orE. coli bacteria were not detected |
NO |
Human or animal fecal waste |
|
Disinfection By-Products |
|
Haloacetic acids |
2006 |
ppb |
0 |
60 |
Highest quarterly average: 26 |
17 |
51 |
NO |
By-product of drinking water disinfection |
|
Total Trihalomethanes |
2006 |
ppb |
0 |
80 |
Highest quarterly average: 28 |
17 |
43 |
NO |
By-product of drinking water disinfection |
|
Chlorine Residual |
2006 |
ppm |
4.0 |
4.0 |
System average: 1.00 |
0.26 |
1.65 |
NO |
Remaining chlorine from disinfection process |
|
Unregulated Contaminants |
|
Sodium |
2006 |
ppm |
|
20* |
Average: 4.44 |
3.50 |
5.37 |
NO |
Erosion of natural deposits |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
* Table includes test results for water samples taken from the North Santiam River source, and from treated water at the Geren Island Treatment Facility, Aquifer Storage & Recovery (ASR) wells, the water distribution system, and Salem homes.