Waste Water Treatment
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Blue Plains plans to cut its nitrogen discharges into the Potomac River by half when this expansion project is completed in 2014. (Rosanne Skirble/VOA)
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Microbes convert ammonia into harmless nitrogen gas. (Credit: DC Water)
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Water, percolated through sand filters, removes remaining suspended solids and then is disinfected and de-chlorinated and discharged into the Potomac River. (Rosanne Skirble/VOA)
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Construction is underway to build giant digesters that will bake the solid waste recovered during treatment and turn it into methane gas that will in part power the plant. (Rosanne Skirble/VOA)