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Facility Name:
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Bennington
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Caller Name And Title:
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Ronald L. Bull, Bennington WWTF Chief Operator and Gail C. Tiffany, Bennington WWTF Labora
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Municipality:
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Bennington, Vermont
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Location (street or site):
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Bennington WWTF, 244 Harrington Road, North Bennington, VT 05257
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Incident Start Date:
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07/01/2017
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Incident End Date:
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07/02/2017
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Incident Start End Times:
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09:00 pm to 09:06 am
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Estimated Duration Of Event:
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Nature Of Incident:
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Discharged partly treated undisinfected effluent
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Estimated Volume (gallons):
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>10,000 to 100,000 gallons
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Cause Of Discharge:
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High Flows
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Type Of Obstruction:
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Point Of Discharge:
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WWTF outfall
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Corrective Action Taken:
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See above description. -- Water continues to recede and we will try to investigate further where manhole surcharges occurred in the community. A further report will be filed no later than Wednesday, July 5th, 2017 outlining incident.
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Waterbody Impacted:
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Walloomsac River
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Contact Name And Title For Public:
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Terrance A. Morse, Bennington Water Resources Superintendant
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Call Date:
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WW Staff Called:
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Type Of Notification:
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nForms
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Public Overflow Report For Web:
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Y
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Description Of Incident:
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Heavy rains came through area approximately 9 pm on 7/1/17 causing flow at WWTF to rise. Rain over period of incident was 3.47 inches. All four main raw sewage pumps came on to handle flow. Unfortunately some partially treated wastewater discharged from top of RBC tanks and flowed across back field to Walloomsac River. Flow at 9 am on 7/2/17 was still 10.25 MGD (all the pumps will handle; wet well was at 17 feet during high point of incident) with all 4 main raw sewage pumps operating. Operators put RBC Row 4 which was out-of-service back online to fill therefore stopping tank overflows. -- We also experienced several manhole overflows in both Bennington and North Bennington with unestimated untreated wastewater going to waters of the State (tributaries to Walloomsac River). -- Situation was unavoidable due to weather conditions.
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nForm Submission Number:
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HN6-19AX-9AD6D
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