The quality of wastewater from biological contamination on the right bank of the state committee of Ulyanovsk

Studied biological contamination of incoming and effluent treatment plants right bank of Ulyanovsk. It is shown that wastewater entering the State Committee, has consistently high rates of pollution. The average maximum permissible concentration was: DB т – 56 000, by TCB – 125 000 by coliphage – 7400. Indicators of biological contamination of treated wastewater exceeds the MPC: DB – in 29,0 %, TCB – 62,5 %; coliphages – in 92,0 % of samples. Maximum excess was: DB – 1,3; by TCB – 4,0, for coliphage – 80 MPC.