Newark leaders celebrated a major milestone Wednesday with the completion of a $20.5 million upgrade to the Pequannock Water Treatment Plant — project that city officials say will secure cleaner, safer water for nearly 400,000 residents across Newark and its surrounding communities.

The facility, originally built in 1989, has now undergone its largest modernization in decades, expanding its treatment capacity to 60 million gallons per day.

The improvements included filtration upgrades, a new air-scouring system, and state-of-the-art controls such as the Allen-Bradley System for Supervisory Control and Data Acquisition (SCADA) , which will make the system more efficient and resilient. Crews also replaced aging infrastructure, including 60 valves and nine backwash pumps, extending the

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