| Parameters | pH | DO | Temperature | Total coliform count | Total E. coli count | Salmonella spp. | Vibrio spp. | Shigella spp. |
| pH | 1 | |||||||
| DO | −0.375* | 1 | ||||||
| Temperature | −0.200** | −0.249 | 1 | |||||
| Total coliform count | 0.385** | −0.234 | 0.259* | 1 | ||||
| Total E. coli count | 0.127* | 0.441** | −0.262 | −0.068 | 1 | |||
| Salmonella spp. | 0.319 | −0.171* | −0.427 | −0.190 | −0.045 | 1 | ||
| Vibrio spp. | −0.099 | 0.038** | 0.413* | −0.143 | 0.451** | −0.325 | 1 | |
| Shigella spp. | 0.263** | 0.290 | −0.292* | −0.107 | −0.182 | −0.068 | −0.272 | 1 |