U.S. EPA Approves Phase 2A Schedule for MSD's Wet Weather Program

The U.S. EPA and other regulators have approved a schedule and list of wet weather projects to be completed under Phase 2A of MSD's Wet Weather Improvement Plan (WWIP).

The new Phase 2A schedule, approved on August 29, includes construction of three projects by the end of 2024:

• Little Miami WWTP Standby Power project (construction under way)
• CSO 402-406 Regulator Improvements (construction under way)
• Mill Creek WWTP Diversion Chamber (construction complete)

The new schedule also includes planning or design of two projects:

• Design of a new influent pump station at Mill Creek to serve a future Enhanced High-Rate Treatment (EHRT) facility
• Planning for improvements to the East Branch Muddy Creek Interceptor and associated pump stations

The Regulators also approved June 30, 2024, as the submission date for a proposed Phase 2B schedule.

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