| Geomorphologic Unit/ Parameters | Mangrove & Saltwater Back Swamp | Freshwater Back Swamp and Meander Belt | Mangrove Saltwater Back Swamp | WHO Standard | ||||
| WS1 | WS2 | WS1 | WS2 | WS1 | WS2 | |||
| Microbiological | Total Bacteria count cfU/ml | 20+ | Nil | 2.50 × 10' | cfU/ml | |||
| Total Coliform MPN/100ml | 18 | Nil | 0 MPN/100ml | |||||
| E. coli MPN/100ml | 4 | 0 | 0 MPN/100ml | |||||
| E. coli MPN/100ml | 55 | 172 | 0 | 0 MPN/100ml | ||||