Parameters pH TSS BOD COD
Month- 2013 Inlet Outlet Inlet Outlet Inlet Outlet Inlet Outlet
January 7.4 7.6 434 62 225 92 520 198
February Non Operational
March 7.5 7.7 281 78 126 70 449 154
April 7.8 8.0 132 40 182 34 534 147
May 7.5 7.7 313 47 218 31 466 109
Maximum 7.8 8.0 434 78 225 92 534 198
Minimum 7.4 7.6 132 40 126 31 449 109
 Average 7.5 7.75 290 57 188 58 492 152
Percentage Reduction - 80.3% 69% 69%
Table 3: Physico-chemical analysis of STP based on UASB technology.