If you’re faced with running a sophisticated treatment plant, it helps if you have your operators involved in the design. That was the approach in Meriden, Conn., and it’s paying off in staff morale, operating efficiencies, and effluent quality.
The 11.6 mgd (design) Meriden Water Pollution Control Facility uses a unique two-stage activated sludge process that provides a number of treatment options, including nitrification, denitrification, and chemical and biological phosphorus removal. It’s supported by a 2,100-data-point SCADA system, complex enough to give most operators at least an occasional headache.
“We made sure our operators and maintenance people sat down with our management







































