Ohio EPA Holding Hearing about Proposed Amendments to Drinking Water Chemical Monitoring Rule

Virtual Public Meeting Set Sept. 3

Ohio EPA is proposing changes to rules that address disinfection byproducts in public drinking water systems. A virtual public hearing about the amended rule will be held on Thursday, Sept. 3, 2020.

During the virtual hearing, which will begin at 10:30 a.m., the public may submit written comments on the record about the proposed amendments to the rule. Citizens who want to participate must register in advance of the meeting. 

The goal of the proposed rule amendments is to ensure improved collaboration between consecutive water systems and their water wholesalers to detect elevated levels of disinfection byproducts. Disinfection byproducts include total trihalomethanes (TTHM) and haloacetic acids 5 (HAA5). 

Ohio EPA worked with public water systems and the Ohio Section of the American Water Works Association to ensure the proposed rule changes would address disinfection products issues and be manageable for public water systems.

More information about the proposed rule is available online (See “Proposal of Revised Rules – Organic Chemical Monitoring Requirements (rule 2745-81-24)”). Ohio EPA is currently accepting public comments about the proposed rule. The public comment period ends on Sept. 3, the day of the virtual public hearing. Written comments can be submitted during the virtual hearing or emailed to ddagw_rulescomments@epa.ohio.gov. After considering public comments, Ohio EPA will make any necessary changes and finalize the rule.


The Ohio Environmental Protection Agency was created in 1972 to consolidate efforts to protect and improve air quality, water quality and waste management in Ohio. Since then, air pollutants dropped by as much as 90 percent; large rivers meeting standards improved from 21 percent to 89 percent; and hundreds of polluting, open dumps were replaced with engineered landfills and an increased emphasis on waste reduction and recycling.

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