Frequent Questions

How should systems with multiple entry points to the distribution system complete standard monitoring if only one sample near an entry point is required?

If a system has multiple entry points to the distribution system but only one entry point sample is required, the system should sample near the entry point with the highest flow.

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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