A Biological And Chemical Study Of The Effluent Of The Helena Wastewater Treatment Plant
This study included four water quality parameters from the effluent of the Helena Waste Water Treatment Plant. These parameters were coliform counts, chlorine levels, phosphate levels, and nitrate levels. We found substantial daily variation in the chlorine residual and coliform counts. The phosphate levels were high but similar to other secondary treatment facilities. Results from nitrate tests were inconclusive.