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Case Study – Municipal

Mobile water treatment unit

Case Study: Wastewater Treatment Plant

    Cutting Edge Treatment Process Paves the Way for Permit Compliance at California Wastewater Treatment Plant

    Situation

    Discharge permit limitations, governed by the National Pollutant Discharge Elimination System (NPDES) or other local control boards, are often updated to expand protection for downstream ecosystems and users. As a result, a municipal wastewater treatment plant (WWTP) in Southern California was in violation of their Regional Water Quality Control Board’s recently tightened discharge limits. Chloride (Cl-) concentrations now consistently exceeded a maximum threshold of 100.0 milligrams per liter (mg/L) in their secondary effluent.

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