Ind. Admin. Code tit. 327, r. 8-4-2 – Construction requirements; noncommunity public water systems serving 250 or fewer individuals

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 13-11-2; IC 13-13-5-1; IC 13-18-2

Sec. 2. (a) Construction at a noncommunity public water system serving two hundred fifty (250) or fewer individuals must comply with section 1 of this rule, 327 IAC 8-2.7-1, and 327 IAC 8-3-2.1 except as allowed in subsections (b) and (c).

(b) Construction for the following items, if not installed to meet the requirements of 327 IAC 8-2.7, are not required to obtain a permit:

(1) Ion exchange softeners.

(2) Ultraviolet treatment.

(3) Cartridge filters.

(4) Reverse osmosis.

(5) Other items similar in function or purpose to those listed in subdivisions (1) through (4), determined by the commissioner to not require a permit. The commissioner may make a determination if the items are installed to alter characteristics or properties of water not regulated under 327 IAC 8-2.7, including hardness or other aesthetic properties.

(c) A noncommunity public water system serving two hundred fifty (250) or fewer individuals may proceed with construction of items listed in subsection (b) without meeting the requirements of section 1 of this rule, provided the following criteria are met:

(1) The installed construction or device must meet the requirements of 327 IAC 8-1.

(2) The noncommunity public water system serving two hundred fifty (250) or fewer individuals must notify the commissioner within thirty (30) days after completion of construction of the installation. The notification must be in writing and include the following:

(A) The type of construction or device installed.

(B) The date of installation.

Any construction must be designed and operated to meet the requirements of 327 IAC 8-6.

(Water Pollution Control Division; 327 IAC 8-4-2; filed Apr 24, 2006, 3:00 p.m.: 29 IR 2974; readopted filed Jul 18, 2012, 2:25 p.m.: 20120815-IR-327120261BFA; readopted filed Jun 6, 2018, 1:59 p.m.: 20180704-IR-327180171BFA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA; filed Nov 24, 2025, 9:07 a.m.: 20251224-IR-327240428FRA)