Stricter standards drive wastewater system overhauls

10/1/2009 | Engineering News-Record

New regulations are pushing some municipalities and utilities to overhaul and improve aging wastewater systems, experts say. States are under pressure to create water-quality standards for nutrients such as nitrogen and phosphorous, and municipalities must upgrade their systems to achieve lower nutrient levels. Observers note, however, that some states have not set timetables for establishing standards and are instead waiting for the EPA to get involved.

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