Frequent Questions

Can the state approve a system specific study with fewer than the number of sites required under standard monitoring?

No, the system specific study and standard monitoring requirements were developed to be equally stringent.

For additional guidance on the Stage 2 Disinfectants and Disinfection Byproducts rule please visit http://water.epa.gov/lawsregs/rulesregs/sdwa/stage2/regulations.cfm.

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