Allegheny Valley Joint Sewage Authority Faces Odor Issues Amid Treatment Plant Expansion in Pennsylvania
The Allegheny Valley Joint Sewage Authority's treatment plant in Harmar, Pennsylvania, continues to emit strong odors, particularly affecting Oakmont residents. The issue has worsened since a federally mandated expansion project began in 2022, increasing treatment capacity from 5.5 to 8 million gallons daily. Despite nearing completion, the expansion does not adequately address odor issues stemming from hydrogen sulfide. The plant is required to develop a control plan by April and has been directed to conduct monthly hydrogen sulfide sampling.
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The Allegheny Valley Joint Sewage Authority treatment plant in Harmar, Pennsylvania, is facing persistent odor issues affecting nearby Oakmont residents, worsening since a federally mandated expansion project commenced in 2022. The project aims to increase sewage treatment capacity from 5.5 million gallons to 8 million gallons daily but has not yet been completed.
The odors are primarily attributed to hydrogen sulfide from septic sewage in long conveyance lines. The Pennsylvania Department of Environmental Protection has mandated monthly hydrogen sulfide sampling and requires a control plan by April. Despite nearing completion, the treatment plant's expansion project does not resolve the underlying odor problem.
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