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Everyday MSD: Fine Screening

The fine screen process at our Lower Meramec treatment plant. A fine screen is a machine that, during the wastewater treatment process, collects large pieces of material that may cause damage or blockages.

Broken Valve Causes Wastewater Discharge Into River des Peres and Mississippi River

Earlier today, a broken valve at an MSD pump station caused the discharge of untreated wastewater into the River des Peres.  The discharge took place at a point less than three-quarters of a mile from the Mississippi River.  The pump station where the valve failed is located at MSD’s Lemay Wastewater Treatment Plant, near South […]