Martinsburg wastewater facility upgrade to improve local watersOBG News,
On October 20, 2016, OBG representatives joined City of Martinsburg, West Virginia officials at a ribbon-cutting and dedication ceremony marking the completion of its new, $53.5 million wastewater treatment plant. The upgrades to the nearly 100-year-old facility were part of an effort to improve the health of local waters and the Chesapeake Bay with new federally-mandated nutrient standards. The ceremony was followed by public tours of the new facility.
OBG led planning and engineering design for the new facility to upgrade its nutrient removal system to meet new pollution controls mandated by the U.S. Environmental Protection Agency to reduce phosphorus and nitrogen from getting into the Chesapeake Bay watershed. The upgrades included installation of a new “moving bed” biofilm reactor biological treatment process to meet the new water quality standards. Before discharge, final water treatment at the facility is completed through chlorination and dechlorination. The project also included combined sewer overflow (CSO) treatment through ballasted flocculation and disinfection.
The improvements have increased the plant’s peak treatment capacity to a flow of 12 million gallons per day, helping to accommodate volume surges during storms.
One of the largest projects in the city’s history, the overhauled facility received funding from the West Virginia Department of Environment Protection Clean Water State Revolving Loan Fund and the West Virginia Infrastructure and Jobs Development Council Chesapeake Bay Grant.
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