Cluster | Temp | pH | TDS | EC | TSS | DO | BOD | COD | N-NH4+ | N-NO3− | NO2−-N | Fe | Pb | Cd | As | Cl− |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 28.79 | 7.21 | 21 | 44 | 48 | 7.04 | 3.7 | 12 | 0.30 | 0.61 | 0.00 | 3.37 | 0 | 0 | 0 | 6.6 |
2 | 29.38 | 7.12 | 144 | 289 | 25 | 5.19 | 3.8 | 12 | 0.28 | 0.96 | 0.01 | 1.91 | 0 | 0 | 0 | 58 |
3 | 30.06 | 7.32 | 829 | 1715 | 59 | 5.09 | 3.7 | 14 | 0.23 | 1.10 | 0.02 | 2.54 | 0 | 0 | 0 | 11 |
4 | 29.74 | 7.21 | 32 | 71 | 28 | 6.28 | 2.3 | 9.6 | 0.19 | 0.76 | 0.01 | 1.94 | 0.01 | 0 | 0 | 2.2 |
5 | 30.37 | 7.22 | 37 | 83 | 18 | 6.03 | 4.4 | 13 | 0.55 | 0.57 | 0.00 | 1.48 | 0 | 0 | 0 | 7.0 |
6 | 30.16 | 7.76 | 97 | 221 | 38 | 6.60 | 2.8 | 9.0 | 0.26 | 0.41 | 0.00 | 1.90 | 0 | 0 | 0 | 10.1 |
7 | 30.23 | 6.46 | 58 | 129 | 21 | 2.68 | 6.7 | 18 | 0.76 | 0.70 | 0.02 | 1.56 | 0 | 0 | 0 | 24 |
8 | 29.75 | 6.39 | 204 | 443 | 33 | 1.35 | 11 | 27 | 1.90 | 0.47 | 0.01 | 4.38 | 0 | 0 | 0 | 0.0 |
9 | 30.90 | 6.14 | 1481 | 3067 | 19 | 3.09 | 6.8 | 19 | 0.60 | 1.10 | 0.03 | 0.97 | 0 | 0 | 0 | 1467 |
10 | 29.67 | 6.92 | 1648 | 3418 | 50 | 1.68 | 8.1 | 22 | 1.06 | 1.48 | 0.06 | 1.67 | 0 | 0 | 0 | 105 |
11 | 30.48 | 7.07 | 3496 | 6862 | 73 | 1.92 | 12 | 31 | 1.68 | 1.98 | 0.34 | 1.95 | 0 | 0 | 0 | 0.0 |
12 | 29.15 | 7.16 | 608 | 1237 | 97 | 0.68 | 49 | 91 | 15.02 | 0.06 | 0.02 | 1.90 | 0.02 | 0 | 0 | 0.0 |
13 | 29.99 | 7.20 | 1144 | 2387 | 81 | 0.77 | 22 | 47 | 5.34 | 0.34 | 0.02 | 2.69 | 0 | 0 | 0 | 0.0 |
14 | 31.43 | 7.19 | 8305 | 16,102 | 80 | 4.71 | 6.8 | 33 | 0.17 | 1.18 | 0.03 | 3.36 | 0 | 0 | 0 | 6119 |
15 | 30.81 | 7.44 | 21,829 | 40,967 | 18 | 5.21 | 2.5 | 12 | 0.14 | 0.87 | 0.10 | 0.32 | 0 | 0 | 0 | 0.0 |
Limits | – | – | – | – | 20 | ≥ 6 | 4 | 10 | 0.3 | 2 | 0.05 | 0.5 | 0.02 | 0.005 | 0.001 | 250 |