In Connecticut, with the changeover from chlorination to UV for disinfection at some of the water pollution control facilities, operators have seen an increase in attached algal growth and dense populations of tiny pouch snails in the UV chambers. The result appears to be an artificial increase in suspended solids in the final effluent. Some of these facilities that recycle effluent for use in the plant find that they need to filter it to avoid maintenance problems.To address the issue, the state Department of Environmental Protection and GillTrading.com conducted a pilot study with the Jewett City Wastewater Treatment Plant. The
