Water Quality Index of Identified Polluted River Stretches in Meghalaya for October 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 | 6.7 |
4.8 |
19.0 |
21000 |
84000 |
7000 |
Not Satisfactory |
| 3365 | Umshyrpi at Umshyrpi Bridge | 6.7 |
6.1 |
5.3 |
3100 |
14000 |
1700 |
Not Satisfactory |
| 3359 | Umkhrah at Demthring | 6.7 |
5.4 |
7.7 |
7900 |
34000 |
2700 |
Not Satisfactory |
| 3360 | Umkhrah at Umkaliar | 6.8 |
6.2 |
4.3 |
3300 |
6300 |
1100 |
Not Satisfactory |
| 3361 | Umkhrah near Slaughter house | 6.9 |
4.9 |
17.0 |
21000 |
70000 |
4800 |
Not Satisfactory |
| 3362 | Umkhrah at Mawpdang Mawlai | 6.9 |
5.0 |
14.0 |
17000 |
58000 |
4400 |
Not Satisfactory |
| 1422 | Umtrew at Byrnihat | 6.9 |
6.9 |
4.4 |
4100 |
8400 |
790 |
Not Satisfactory |
| 3367 | Nongbah at Nongstoin | 6.8 |
6.7 |
3.3 |
1400 |
4900 |
430 |
Not Satisfactory |
| 1631 | Myntdu at Jowai | 6.8 |
7.3 |
2.3 |
630 |
2800 |
220 |
Satisfactory |
| 3375 | Lunar river (Tributary of Lukha river) at Myndihati | 2.7 |
6.9 |
1.7 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |
| 1428 | Kyrhuhkhla | 3.1 |
6.7 |
1.8 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |