Water Quality Index of Identified Polluted River Stretches in Meghalaya for May 2022
| 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 |
1.0 |
41.0 |
31000 |
94000 |
4300 |
Not Satisfactory |
| 3365 | Umshyrpi at Umshyrpi Bridge | 7.2 |
4.2 |
14.0 |
9000 |
24000 |
1700 |
Not Satisfactory |
| 3359 | Umkhrah at Demthring | 6.9 |
1.0 |
43.0 |
38000 |
94000 |
4100 |
Not Satisfactory |
| 3360 | Umkhrah at Umkaliar | 7.6 |
5.0 |
16.0 |
6300 |
27000 |
2500 |
Not Satisfactory |
| 3361 | Umkhrah near Slaughter house | 7.2 |
1.2 |
40.0 |
43000 |
130000 |
7900 |
Not Satisfactory |
| 3362 | Umkhrah at Mawpdang Mawlai | 7.1 |
Nil |
43.0 |
46000 |
140000 |
8400 |
Not Satisfactory |
| 1422 | Umtrew at Byrnihat | 6.8 |
7.0 |
2.3 |
630 |
4200 |
150 |
Satisfactory |
| 3367 | Nongbah at Nongstoin | 6.9 |
7.6 |
2.0 |
1100 |
4100 |
120 |
Satisfactory |
| 1631 | Myntdu at Jowai | 7.2 |
6.4 |
1.9 |
630 |
2700 |
120 |
Satisfactory |
| 3375 | Lunar river (Tributary of Lukha river) at Myndihati | 3.4 |
6.9 |
2.1 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |
| 1428 | Kyrhuhkhla | 4.1 |
6.9 |
2.2 |
<1.8 |
<1.8 |
<1.8 |
Not Satisfactory |
Bio-Monitoring of Identified Polluted River Stretches in Meghalaya May 2022
| Station Code | Water Quality Criteria Location Name |
Saprobic Score |
Diversity Index |
|---|---|---|---|
| 3364 | Umshyrpi near Law College |
2.0 |
0.28 |
| 3365 | Umshyrpi at Umshyrpi Bridge |
2.5 |
0.38 |
| 3359 | Umkhrah at Demthring |
1.5 |
0.2 |
| 3360 | Umkhrah at Umkaliar |
2.8 |
0.36 |
| 3361 | Umkhrah near Slaughter house |
1.5 |
0.22 |
| 3362 | Umkhrah at Mawpdang Mawlai |
1.4 |
0.2 |
| 1422 | Umtrew at Byrnihat |
4.8 |
0.55 |
| 3367 | Nongbah at Nongstoin |
5.5 |
0.6 |
| 1631 | Myntdu at Jowai |
6.6 |
0.64 |
| 3375 | Lunar river (Tributary of Lukha river) at Myndihati |
2.5 |
0.33 |
| 1428 | Kyrhuhkhla |
3.4 |
0.45 |