| Parameter | Septic tank sludge (This study) | Septic tank sludge Kathmandu valley1 | Septic tank sludge Bangkok2 | Activated sludge with co-precipitation3 |
| TS, mg/l | 24,365 - 48,200 Avg. 30,160 (3.01%) | 27,000 (mean of 42 samples) (2.7%) | 2200 - 67,200 Avg. 19,000 (1.9%) | 5000 - 13,000 |
| VS (% of TS) | 49 - 65 Avg. 58 | 65 (mean of 28 samples) | 40 - 78 Avg.71 | 60 - 70 |
| TKN mg/l (avg.) | 1273 (1021 - 1500) | - | 1000 (300 - 5000) | 160 |
| TP, mg/l | Avg. 23.4 | - | - | 71 |
| SLR kg TS/m2/year | 100 and 250 | 250 | 140 - 360 | 50 - 70 |