ValveTek’s Jeff Favina joins The Water Values Podcast to discuss main flushing and ValveTek’s use of the patented NO-DES flushing solution. Starting with the basics of main flushing, Jeff explains why main flushing is important from a water quality standpoint and outlines the conventional methods of main flushing. He then expands into the NO-DES flushing solution and demonstrates how it works and how it, importantly, does not waste water. The avoidance of water waste from the NO-DES system demonstrates how utilities can walk the conservation walk rather than imposing conservation measures on their customers.

In this session, you’ll learn about:

What main flushing is
Why main flushing is important
What some of the common particulates are in water mains
How a utility determines what sections of its network need to be flushed
How ValveTek achieves disinfection from system to system and when making local connections
The turbidity levels the NO-DES solution is capable of achieving (hint – it’s a very low Nephelometric Turbidity Unit, or NTU)
How a single rig location can clean a large distribution network area
How ValveTek tests the water quality in the distribution system pre-, during, and post-flush
The areas of the country where the NO-DES flushing solution is most commonly deployed

Resources and links mentioned in or relevant to this session include:

ValveTek’s website
NO-DES’s website
Wikipedia entry for turbidity
California Water Association article: How the Drought Affects Routine Water Main Flushing to Maintain Water Quality
Irvine Ranch Water District post on the importance of flushing water lines
AWWA article (free to members): Developing and Implementing a Distribution System Flushing Program
AWWA Standard for Disinfecting Water Mains

Transcript

Click here to download the Transcript for Session 63 of The Water Values Podcast.

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