327 IAC 8-2.7-2 Exceptions to federal rule

Sec. 2. (a) The following are deletions to federal regulations in 40 CFR 141 for public water systems (PWSs): (1) The effective date relating to the total coliform MCL in 40 CFR 141.4(b) for systems that demonstrate the violation of total coliform MCL is due to persistent growth of total coliforms in the distribution system. (2) The definition for "special irrigation district" in 40 CFR 141.2. (3) Variances and exemptions in 40 CFR 141.4. (4) Aircraft drinking water standards in 40 CFR 141.800 through 141.810. (b) The use of unfiltered water systems referenced in 40 CFR 141 is prohibited.