Frequent Questions

If the combined filter effluent (CFE) and the individual filter effluent (IFE) criteria are met, can a system receive Crypto treatment credit for both?

Yes, systems that meet both CFE and IFE requirements may receive a  0.5-log Crypto treatment credit for each.  If a system meets both CFE and IFE requirements in a month, a 1.0-log Crypto treatment credit would be awarded.

For additional guidance on the Long Term 2 Enhanced Surface Water Treatment Rule please visit

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