Mr. Brown comanages tbe Nizbnii Tagil Environmental Project, Dr. Myers manages the Permits Improvements Team for EPA's RCRA program Ms. Parker develops information management improvement strategies f o r the Office of Solid Waste. Robert Stewart, a bydrogeologist at SAIC in McLean, Virginia, bas worked in support of numerous EPA and Department of Defense hazardous and solid waste regulatory initiatives.The U S . Environmental Protection Agency (EPA) performed a reservoir diagnosis and developed low-cost recommendations to improve drinking water quality for the city of Nizhnii Tagil, Russia. Despite widespread regional pollution, water quality within the drinking water supply source can be summarized as generally good. Sampling and analysis efforts did not reveal appreciable amounts of hazardous chemicals or metals. The major waterqualityproblem stems from a n abundance of blue-green algae during the summer months, causing drinking water taste and odor problems and filter clogging at the water treatment plant. City water treatment o f f ials also frequently experience difficulties with maintaining a n effective disin fection residual in the distribution system because it spans more than 30 kilometers in length. Regrowth of microorganisms in the distribution system often causes coliform bacteria counts to exceed standards. The implementation of a watershed protection and management program, and the installation of a new disinfection system, to punifv drinking water and to reduce bacterial growth in the distribution system should improve drinking water quality for the city residents.
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