The Defiance Water Plant’s Granular Activated Carbon (GAC) Project is underway!

August 17, 2021 PROGRESS UPDATE: Crews from Peterson Construction have continued to make progress on the GAC project. Today they set the first four vessels. When the entire project is complete, water will pass through the carbon vessels and organics will be removed. Still a long way to go, but very exciting!

This new treatment will offer many benefits:

  • reduction of disinfection by-products such as total trihalomethanes (TTHM’s), which is the source of the violation letters that the City has sent out over the last couple of years;
  • provide a barrier for algal toxins that could be produced by algal blooms in the reservoir;
  • improvement in the taste of our water, and;
  • removing the compounds produced by algae that create taste and odor issues from time to time.

The system is scheduled to go “LIVE” during the winter of 2021-22, and we are looking forward to it!

This is just one more exciting project happening in our great community!



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