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What’s this muck? LOTT offers cash reward to solve mystery affecting wastewater plant

An image of an unusual gray material floating on untreated wastwater at the Budd Inlet Treatment Plant in downtown Olympia. LOTT Clean Water Alliance first noticed the material in May 2022.
An image of an unusual gray material floating on untreated wastwater at the Budd Inlet Treatment Plant in downtown Olympia. LOTT Clean Water Alliance first noticed the material in May 2022. Courtesy of LOTT Clean Water Alliance

An unusual substance in Olympia’s sewer system has confounded officials, prompting them to offer a reward for information on its source.

LOTT Clean Water Alliance, the non-profit waste management agency serving Thurston County’s urban area, asked the public for help in a Wednesday news release. They are offering a $1,000 reward for information that can lead them to where the substance is being discharged.

They described the substance as a “pulpy gray floating material.” The substance started appearing in May in wastewater processed at the Budd Inlet Treatment Plant in downtown Olympia, according to the release.

Staff at the plant have spent more time, equipment and resources to manage the unusual substance, the release says.

An image of a sample of the unusual gray substance that’s annoyed staff at the Budd Inlet Treatment Plant in downtown Olympia. LOTT Clean Water Alliance believes its some type of plant matter, but they don’t know where its coming from.
An image of a sample of the unusual gray substance that’s annoyed staff at the Budd Inlet Treatment Plant in downtown Olympia. LOTT Clean Water Alliance believes its some type of plant matter, but they don’t know where its coming from. Courtesy of LOTT Clean Water Alliance

Environmental Program Manger Justin Boyes told The Olympian the substance has caused extra wear and tear on equipment. He added excessive solids in the sewer system could create blockages that may cause sewer overflows.

The substance does not currently appear to be impacting biological processes, Boyes said.

A laboratory analysis determined the substance, which only appears on weekdays, is some type of plant matter, perhaps wood or paper pulp, according to the news release.

Officials believe the material may be ground up and discharged into the sewer from an industrial or commercial facility. However, LOTT investigated several possible facilities without revealing the source.

Boyes said LOTT just wants the discharge to stop. If the responsible party refuses to stop discharging this material, he said LOTT may resort to “enforcement remedies,” such as discontinuing sewer service.

“Our intention is to locate the source, inform the responsible party of the impact they are having on the wastewater treatment system and require alternative means of disposal,” Boyes said.

Anyone with information can contact LOTT at 360-528-5725. Tips will be kept anonymous.

LOTT serves the urban area of north Thurston County by treating wastewater and producing reclaimed water. It was formed by Lacey, Olympia, Tumwater and Thurston County governments.

This story was originally published July 28, 2022 at 10:41 AM.

Martín Bilbao
The Olympian
Martín Bilbao reports on Thurston County government, courts and breaking news. He joined The Olympian in November 2020 and previously worked for The Bellingham Herald and Daily Bruin. He was born in Ecuador and grew up in California. Support my work with a digital subscription
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