Stage 2 Disinfection By-Products Rule

A recent development in the drinking water industry is the Stage 2 Disinfection By-Products (DPB) rule. Stage 2 Disinfection By-Products (DPB) was made to help reduce potential cancer, reproductive and developmental health risks from disinfection byproducts in drinking water. Over 260 million individuals are exposed to Stage 2 DPBs, which form when disinfectants are used to control microbial pathogens. Division of Water representatives Kellee Husband and Julie Roney addressed this rule in a presentation at the recent Kentucky Water and Wastewater Operator’s Association conference.

This final rule is used to help strengthen public health protection for customers of systems that deliver disinfected water. The rule targets systems with the greatest risk and builds incrementally on existing rules.  This regulation will reduce DBP exposure and related potential health risks and provides more equitable public health protection.

To find out more about this rule and what all it entails, visit the Division of Water’s website for the full presentation.

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