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The original item was published from 8/20/2018 11:21:04 AM to 8/21/2018 11:35:48 AM.

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Ventura Water

Posted on: August 20, 2018

[ARCHIVED] Disinfection Byproduct Rule Exceedance

Water Customer Notification Newsflash 285w x 260h

During routine testing of our water distribution system, it was determined that an isolated part of our water supply exceeded the allowable Total Trihalomethanes (TTHMs). This is not an immediate risk and water supply is safe to drink.  See notification below for affected areas. 


TTHM Exceedance Notification 

For additional questions, please contact Ventura Water's Utility Manager, Joe Marcinko at (805) 652-4504. 


TTHMs are a group of chemicals known as disinfection byproducts. They form when chlorine, used for disinfection in the water treatment process, reacts with naturally occurring organic material found in surface water sources. Levels of TTHMs generally increase in summer months due to warmer temperatures but can also be affected by seasonal changes in source water quality, changing the amounts of disinfectant added during the treatment process, and during drought conditions due to increasing water age.


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