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Wilmington, OH
September 1, 2025: All city offices will be closed on September 1st in observance of Labor Day. Regular office hours will resume Tuesday morning.
Wastewater
WWTP Documents
Wastewater Treatment Plant Documents
2023 City of Wilmington Specifications Manual
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Wastewater Treatment Plant Improvements- Environmental Assessment
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Smoke Testing Information and FAQs
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WWTP Flow Diagram
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WWTP Design Data
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