Water Quality Index of Identified Polluted River Stretches in Meghalaya for July 2025
| Station Code | Water Quality Criteria Location Name | pH 6.5-8.5 | DO >5.0mg/l | BOD <3.0mg/l | FC <2500 MPN/100ml | TC <5000 MPN/100ml | FS <500 MPN/100ml | Water Quality Status |
|---|---|---|---|---|---|---|---|---|
| 3364 | Umshyrpi near Law College | 7.1 |
5.3 |
17.0 |
21000 |
79000 |
4300 |
Not Satisfactory |
| 3365 | Umshyrpi at Umshyrpi Bridge | 7.2 |
6.4 |
7.3 |
2700 |
12000 |
1300 |
Not Satisfactory |
| 3359 | Umkhrah at Demthring | 7.1 |
6.2 |
9.6 |
6400 |
33000 |
1100 |
Not Satisfactory |
| 3360 | Umkhrah at Umkaliar | 7.3 |
6.7 |
3.4 |
2700 |
8400 |
920 |
Not Satisfactory |
| 3361 | Umkhrah near Slaughter house | 7.2 |
5.6 |
14.0 |
17000 |
70000 |
4900 |
Not Satisfactory |
| 3362 | Umkhrah at Mawpdang Mawlai | 7.4 |
5.9 |
12.0 |
14000 |
63000 |
4300 |
Not Satisfactory |
| 1422 | Umtrew at Byrnihat | 7.1 |
7.6 |
3.5 |
3800 |
6300 |
540 |
Satisfactory |
| 3367 | Nongbah at Nongstoin | 6.7 |
7.5 |
2.1 |
930 |
2800 |
220 |
Satisfactory |
| 1631 | Myntdu at Jowai | 6.8 |
7.7 |
1.8 |
580 |
2300 |
170 |
Satisfactory |
| 3375 | Lunar river (Tributary of Lukha river) at Myndihati | 2.9 |
7.3 |
1.5 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |
| 1428 | Kyrhuhkhla | 3.0 |
6.7 |
2.4 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |