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.