Water Quality Parameters |
Ohio River |
Pond Run Stream |
Twin-Lakes Pond |
EPA/West Virginia maximum contaminant level (MCL) |
pH (-) |
6.7-8.0* |
6.2-7.8 |
6.1-8.2 |
6.0-8.5 |
Turbidity (NTU) |
13.4 |
15.2 |
18.7 |
<1.0 |
Fluoride (ppm) |
3.6 |
Trace |
5.1 |
4.0 |
Salinity (µS/cm) |
128.1 |
130.2 |
133.6 |
<80.0 |
Calcium (ppm) |
6.8 |
4.9 |
6.2 |
6.0 |
Nitrate (ppm) |
11.7 |
18.1 |
16.6 |
10.0 |
Potassium (ppm) |
3.8 |
7.0 |
6.9 |
5.2 |
Dissolved oxygen
(ppm) |
18.1 |
6.2 |
1.7 |
>15.0 |
Total dissolved solids (ppm) |
60.9 |
67.6 |
70.1 |
50.0 |
Total haloacetic acids & halomethanes
(ppb) |
Trace |
Trace |
1.2 |
<0.07 |
Heavy metals (Pb) (ppb) |
Trace |
Trace |
Trace |
0.00 |
**Total coliform (fecal & E. coli) (ppm) |
Present |
Present |
Heavily present |
0.00 |
|
NOTE: The data presented here are average values calculated for April-August 2013 and 2014. **Because total coliform count is quite difficult and prone to errors, the EPA recommends the presence/absence maximum contaminant level procedure. |
Table 2: Water quality of Parkersburg water sources matched against EPA standards. |