40 CFR § 141.540 National Primary Drinking Water Regulations

§ 141.540 Who has to develop a disinfection benchmark?

Current through Aug 22, 2025 · Read all of Part 141

If you are a subpart H system required to develop a disinfection profile under §§ 141.530 through 141.536, your system must develop a Disinfection Benchmark if you decide to make a significant change to your disinfection practice. Your system must consult with the State for approval before you can implement a significant disinfection practice change.

← § 141.536 My system has developed an inactivation ratio; what must we do now?§ 141.541 What are significant changes to disinfection practice? →