Table 8. Water Quality Data for 2001 Sampling Sites on Blue River, a Southern
Indiana Tributary of the Ohio River.
|
Location |
White Cloud below dam |
Rothrocks Dam |
Milltown below dam |
|
Date |
02 October 2001 |
11September 2001 |
25 September 2001 |
|
Latitude Longitude |
38012’43.1”; 86016’15.4” |
38012’43.1”; 86016”15.4”; |
38020’26.6”; 86016”28.5” |
|
pH Units |
7.8 |
7.5 |
8.0 |
|
Dissolved oxygen (mg/L) |
9.8 |
8.7 |
9.5 |
|
Alkalinity (gr/gal) |
13 |
7 |
13 |
|
Hardness (gr/gal) |
20 |
10 |
19 |
|
Water Temp (C) |
17.90C |
20.20C |
17.20C |
|
Air Temp (C) |
31.90C |
29.50C |
610F |
|
Conductivity ms/cm |
0.51 |
0.26 |
0.48 |
|
Nitrates (mg/L) Taken 10/09 & 10/16/2001 |
0.08 1.3 |
0.07, 0.09 2 samples Not sampled |
0.23, 0.06 3.1 |
|
Phosphates (mg/L)* Taken 10/16/2001 |
0.45 |
Not sampled |
0.5 |
|
Turbidity (NTU) Taken 10/16/2001 |
31.2 (flooding) |
8.7, 4.9 2 samples Not sampled |
5.4, 6.7 2 samples 31.5 (flooding) |
|
Fecal Coliform (no/100ml) |
7, 12 |
1F, 13 other bacteria or fungi |
9, 12 |
|
Discharge (CFS) |
1648.76 |
1200 |
90 |
|
Elevation (ft) |
515 |
562 |
Samples taken on 10/9/2001 were compromised by large quantities of phosphate in the tap water. Sample containers must be washed thoroughly and decontaminated with deionized water.