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Facility Name:
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Essex Junction
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Chelsea Mandigo, Water Quality Superintendent
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Essex Junction
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V-notch chamber
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07/16/2023
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07/17/2023
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09:00 pm to 03:00 am
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Discharged partially treated disinfected effluent
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>100,000 to 500,000 gallons
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Mechanical Failure
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WWTF outfall
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1) Switched clarifiers in use 2) Fix low RAS and high RAS alarms to go to pager 3)fix RAS pump and add detail quarterly inspection as part of our maintenance program 4) clean chlorine contact chamber 3) clean cloth disk filters
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Winooski River
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Chelsea Mandigo, Water Quality Superintendent
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nForms
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Y
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Low DO alarm to operator on call. Also received a low chlorine alarm. Operator verified DO and chlorine residual. Discovered actual problem was RAS #4 coupling failure. Caused clarifier to fill with solids and go over the weirs.
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HPW-6SAF-79BM9
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