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January 21st, 2023

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CHLORINE: when ‘less’ means you get more

Experiencing uncomfortable levels of chlorine in your water?
Since our water in Metro Vancouver is now filtered*, less chlorine is being added.
So why are the fumes as obnoxious as ever?

Sediment in water interferes with disinfection processes and consumes chlorine. The Seymour Filtration Plant removes sediment from water, making chlorination more effective.

Chlorine has a ‘residual’ effect that continues to disinfect water as it moves through the distribution lines to your tap. Now that our water is filtered, more residual chlorine is able to successfully reach your tap without being consumed before it gets there.

Consequently, you turn on the tap and get a better dose of chlorine.

*This applies to those of us in Metro Vancouver whose water comes from the Seymour Filtration Plant.
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One Response to “CHLORINE: when ‘less’ means you get more”

  1. Rudy Plaza Says:

    Filtration reduces the natural organic matter (NOM)in Seymour water as measured by its surrogate parameter total organic carbon (TOC) by around 60%. As measured by its UV 254 absorbance, Seymour water after filtration is almost as clean as RO-DI (reverse osmosis-deionized) water.