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Facility Name:
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St Albans City
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Brian Willett Chief operator
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City of St. Albans
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At the main wastwater plant
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09/13/2024
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09/13/2024
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06:15 pm to 07:15 pm
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Discharged treated and undisinfected effluent
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83600
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Chem Feed Problem
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WWTF outfall
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When the Sodium Hypochlorite pump was found not pumping on auto mode it was put in manual mode to start feeding again. The Sodium Bisulfite pump which is for dichlorination was also put in manual mode and set for the same feed rate as the Hypochlorite until the signal problem is figured out. Everything is good running in manual mode.
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Stevens Brook Lake Champlain
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Marty Manahan Director of public works
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nForms
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Y
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The 4-20/ma signal that goes and controls the Hypochlorite pump stopped working. All the other chemical pumps were not effected. It was only the Sodium Hypochlorite pump that was effected. The alarm goes to the City Dispatch and an operator was notified. This resulted in a E.coli violation.
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HQ6-MR9G-VVWPR
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