In early December 2023, an unknown quantity of what is suspected to be waste engine oil entered the wastewater collection system and eventually entered the associated wastewater treatment plant.
This had an immediate and cumulative adverse impact on the wastewater biological treatment processes throughout the month of December. This event did result in improperly treated wastewater being discharged from the facility during the second half of December, exceeding the treatment plants regulated limits of Total Ammonia Nitrogen. The plant biological
processes did recover well by the beginning of January 2024 and continue to improve.
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