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City of Pocatello News

Posted on: September 9, 2019

Pocatello Water Pollution Control to Test Sewer Lines on Churchill Downs

Map of sewer testing that will take place September 12 on Churchill Downs.

Crews with the City of Pocatello Water Pollution Control Department will be testing sewer lines on Churchill Downs, from Delphic Way to Saratoga Street, Wednesday, September 11. Testing is scheduled to start around 8 a.m. and wrap up later that day, weather permitting.

During the test, crews will fill the sewer lines with non-toxic and odorless smoke to determine where breaks in the lines are located. Residents may see smoke rising from manhole covers, roof vents, building foundations or yard cleanouts around the test area and smoke may also enter other structures in the area via dry p-traps connected to building drains. Should buildings fill with smoke, officials advise residents to open windows and doors and allow the smoke to vent out of the building.

Residents who have questions are asked to contact Water Pollution Control at 208-234-6256. 

For more information on sanitary sewer testing, visit

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