_External_ Notification of WSWWTP Upset

Baker, Caroline D
From: TF Gibbons <[e-mail]>
Sent: Wednesday, July 5, 2023 2:05 PM
To: Scheller, Roberto
Cc: Duane Wingo
Subject: [External] Notification of WSWWTP Upset
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Mr. Scheller, the following information is a follow up per our conversation on July 29th, at 12:18 pm. In the month of
June there were 2 major rain events and lightning storms that caused damage to our operating system. Details as
follows.
June 14-16 more than 3" of rainfall went through the WSWWTP system causing a considerable amount of strain on the
treatment processes. June 20-23 we received another 5.2" of rainfall that pushed our flows in excess of 1.5 MGD.
During the first mentioned rainfall period lightning damaged three (3) aerators completely taking one basin off line. Two
of the aerators were repaired only to be damaged again during the second rain event. This again limited us to one basin
with aerations. Repairs are underway for the aeration system and cleanup. Many solids from these events collected in
our contact chamber further decreasing the effluent quality. At the time of this writing effluent quality is still poor and
measures for repair and treatment is still ongoing.
Julyl7th Huber will visit the site to inspect headworks and offer recommendations for increased operational proficiency.
Mr. Scheller, thank you for your counsel in this matter.
Tommy Gibbons
West Stanly WWTP ORC
Stanly County Utilities
910-585-8286
Tommy Gibbons
West Stanly WWTP
Stanly County Public Utilities
704-486-0285 (office)
910-585-8286 (cell)
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