Authority: IC 13-18-3-1; IC 13-18-4-1; IC 13-18-4-3; IC 13-18-4-4; IC 13-18-4-5; IC 13-18-17-5

Affected: IC 13-18-4; IC 13-18-17

Sec. 5. Each class of ground water described in section 4 of this rule shall meet the following protective criteria:

1. (1) Ground water quality shall be maintained, at a minimum, to protect the current and reasonably expected future use of the ground water.
2. (2) Ground water shall be maintained and protected to ensure that a contaminant concentration attributable to human activity does not increase in a drinking water well.
3. (3) For waters of the state, surface water quality standards shall be met in the surface water at the ground water-surface water interface.

(Water Pollution Control Division; 327 IAC 2-11-5; filed Feb 4, 2002, 11:00 a.m.: 25 IR 1879; readopted filed Jun 4, 2008, 11:07 a.m.: 20080702-IR-327080207BFA; readopted filed Jul 30, 2014, 4:04 p.m.: 20140827-IR-327140189BFA; readopted filed May 27, 2020, 11:52 a.m.: 20200624-IR-327200186BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)