The New York City Department of Environmental Protection has contracted with Norwalk, Conn.-based Emcor Group to install electrical systems at its new clean water treatment plant.

Johnstown, Pa., has purchased biomass modules from Chapel Hill, S.C.-based Entex for use in the city's pure oxygen wastewater treatment plant.

The Metropolitan St. Louis Sewer District has contracted with locally based Kwame Building Group to manage a rehabilitation and expansion project at the Missouri River Wastewater Treatment Plant.