Frequent Questions

The Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR) requires all public waters systems that use surface water or ground water under the direct influence of surface water to monitor their source water for Cryptosporidium (40 CFR 141.701). Are

Yes. Community Water Systems are required to include the results of source water monitoring for Cryptosporidium in their Consumer Confidence Report (Complying with the Long Term 2 Enhanced Surface Water Treatment Rule: Small Entity Compliance Guide, EPA815-R-07-015; February 2007).
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