Authority: IC 13-14-8; IC 13-14-9; IC 13-15-1-2; IC 13-15-2-1; IC 13-18-3-1; IC 13-18-4-1

Affected: IC 13-18

Sec. 1. (a) A public water system must comply with the primary drinking water regulations in 40 CFR 141.1 through 141.861*, as amended by 89 FR 5773*, and this article.

(b) Unless otherwise indicated, any reference to a provision of the Code of Federal Regulations (CFR) means the July 1, 2024, edition*.

*These documents are incorporated by reference. Copies may be obtained from the Government Publishing Office, www.gpo.gov, or are available for review at the Indiana Department of Environmental Management, Office of Legal Counsel, Indiana Government Center North, 100 North Senate Avenue, Thirteenth Floor, Indianapolis, IN 46204.

(Water Pollution Control Division; 327 IAC 8-2.7-1; filed Nov 24, 2025, 9:07 a.m.: 20251224-IR-327240428FRA)