A 15-year, $300 million upgrade to a Detroit-based pumping station serving Oakland and Macomb counties is complete.

That led to an all-smiles ribbon-cutting Wednesday with Oakland County Water Resources Commissioner Jim Nash and Macomb County Public Works Commissioner Candice S. Miller – long at odds over stormwater overflows.

The northeast sewage pumping station improvement is part of a multi-phase modernization of the Oakland-Macomb Interceptor Drain wastewater system.

The renovation didn’t change the facility’s 400-million-gallon daily capacity for moving sewerage. The pumping station is part of the sanitary sewer system and separate from the type of combined sewer system that carries stormwater. Only combined sewer systems carry stormwater and wastewater.

The upgrades strengthen

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