Frequent Questions

Are non-transient, non-community water systems (NTNCWSs) or transient, non-community water systems (TNCWSs) subject to the requirements of the Radionuclides Rule?

Neither NTNCWSs nor TNCWSs are subject to the requirements of the Radionuclides Rule. The Rule is only applicable to community water systems. Additional information about radionuclides in drinking water, including basic information and compliance help for the Rule, is available at http://water.epa.gov/lawsregs/rulesregs/sdwa/radionuclides/index.cfm.

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