Previous research used data to model mercury export over a year while the new estimates were confined to three months the team spent on the Mackenzie River Delta.
Westlands Water District joined 29 other public water agencies that argued the National Marine Fisheries Service should have prepared an environmental impact statement before issuing a salmon recovery plan.
Beall has helped maintain an eight-year perfect compliance record for drinking water treatment at the Woodberry Forest School and its community.
N.A. Water Systems provided OdoWatch technology to the Roger Road Wastewater Reclamation Facility.
Pesticide residuals are regulated as pollutants under the Clean Water Act, but appliers will not need permits until after April 9, 2011, the court said.
Submerged membrane technology tackles biomass retention and solids-liquid separation with the collateral advantage of providing energy.
About $430,000 and technical assistance will be provided to eight National Estuary Programs.
Videos from the AWWA ACE09 show floor.