Delaware Engineering D.P.C.

Delaware Engineering D.P.C.

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Village of Waverly

Wastewater Treatment Plant Upgrades and Chesapeake Bay Compliance

Project Costs:
$16 million (est.)

Facility Capacity:
0.80 MGD

The Village of Waverly’s aging wastewater treatment plant (WWTP) was falling into disrepair and facing several challenges: in addition to failing pieces of equipment, the plant was out of compliance for total phosphorous effluent discharge limits as of 2016; the plant needed upgrades to be able to meet 2025 Chesapeake Bay watershed nitrogen and phosphorous limits; and a food processing company which had long been a major wastewater contributor had decided to build its own treatment plant, reducing flows to the Village WWTP by two thirds, and reducing operating revenues considerably.

Delaware’s engineers worked with NYSDEC to craft both short- and long-term plans to bring the WWTP into compliance. The project required taking 75% of the existing plant offline while renovations and new construction were actively ongoing. Effluent constituents were monitored for two months to ensure that the existing, diminished WWTP could treat wastewater to current SPDES limits without requiring interim limits from DEC, allowing the upgrade to occur quickly and efficiently.

Working with Village officials and WWTP operators, Delaware designed plant improvements that included a new headworks building, upgrading the 34-year-old aeration tanks into equalization tanks, constructing a new tank for membrane bioreactors (MBR), retrofitting an existing clarifier to become a pre-aeration tank, and constructing a new two-story masonry building to house the new MBR equipment and controls.

Delaware also assisted the Village with funding procurement, creating an engineering report that helped earn the Village 0% hardship financing and a grant of approximately $4 million through NYSEFC. The new state-of-the-art membrane bioreactor plant was completed on budget and as of 2019 was fully operational and fully compliant.

 

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