Sault Ste. Marie PUC
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Uni-Directional Flushing Program

Flushing the watermains improves water quality by removing sediment that slowly builds up at the bottom of the watermain over time. The sediment comes from internal corrosion of the watermains over many years.

Uni-Directional Flushing increases the speed of the water flowing in the main so as to produce a scouring action that removes loose sediment and deposits. The flushing starts at a clean water source (e.g. the water pumping stations) and moves through the distribution pipes. This ensures that clean water is always used to flush the mains.

Water Quality Frequently Asked Questions


2017 UDF Program

The 2017 UDF program will commence on May 8th, 2017 in the East End of the City.

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