310 CMR 22.06C
Compliance with Secondary Maximum Contaminant Level and Public Notification for Fluoride
Community water systems sampling pursuant to 310 CMR 22.06 which exceed the secondary
maximum contaminant level for fluoride, but do not exceed the maximum contaminant level for
fluoride, shall comply with 310 CMR 22.16(4).
Secondary Maximum Contaminant Level for Fluoride - 2.0 mg/l