327 Ind. Admin. Code 8-2.3-2

Current through December 12, 2024
Section 327 IAC 8-2.3-2 - General requirements and applicability

Authority: IC 13-13-5; IC 13-14-8-7; IC 13-14-9; IC 13-18-3-2; IC 13-18-16

Affected: IC 13-18-3-11; IC 13-18-17

Sec. 2.

(a) This rule applies to ground water systems as defined under section 1 of this rule. Ground water systems shall comply with this rule, unless otherwise noted, beginning December 1, 2009.
(b) A ground water system subject to this rule shall comply with the following:
(1) Sanitary survey requirements for all ground water systems as described under 327 IAC 8-2-8.2.
(2) Microbial source water monitoring requirements for ground water systems that do not treat all of their ground water to at least ninety-nine and ninety-nine hundredths percent (99.99%) (4-log) treatment of viruses using:
(A) inactivation;
(B) removal; or
(C) a combination of 4-log virus inactivation and removal approved by the commissioner; before or at the first customer as described in section 3 of this rule.
(3) Treatment technique requirements described under section 5 of this rule that must be implemented as follows:
(A) By a ground water system that has one (1) or both of the following:
(i) Fecally contaminated source waters, as determined by source water monitoring conducted under section 4 of this rule.
(ii) Significant deficiencies that are identified by the commissioner during a sanitary survey in accordance with 327 IAC 8-2-8.2.
(B) A ground water system subject under clause (A) to the treatment technique requirements under section 5 of this rule shall implement one (1) or more of the following corrective action options:
(i) Correct all significant deficiencies.
(ii) Provide an alternate source of water.
(iii) Eliminate the source of contamination.
(iv) Provide treatment that reliably achieves at least 4-log treatment of viruses using:
(AA) inactivation;
(BB) removal; or
(CC) a combination of 4-log virus inactivation and removal approved by the commissioner; before or at the first customer.
(4) A ground water system that provides at least 4-log treatment of viruses using:
(A) inactivation;
(B) removal; or
(C) a combination of 4-log virus inactivation and removal approved by the commissioner;

before or at the first customer is required to conduct compliance monitoring to demonstrate treatment effectiveness, as described under section 5(b) of this rule.

(5) If requested by the commissioner, a ground water system shall provide the commissioner with any existing information that will enable the commissioner to perform a hydrogeologic sensitivity assessment.
(6) A ground water PWS subject to this rule shall have a smooth-nosed sampling tap that meets the following:
(A) Has no interior or exterior threads available for sample collection.
(B) Is located:
(i) at a point prior to any treatment or storage for each ground water source; and
(ii) in such a manner that it:
(AA) prevents contamination of the tap; and
(BB) facilitates sampling, when necessary.

Other tap installations may be approved by the commissioner on a case-by-case basis if the ground water system submits a written request to the commissioner and receives a written approval from the commissioner.

327 IAC 8-2.3-2

Water Pollution Control Board; 327 IAC 8-2.3-2; filed May 7, 2010, 9:30 a.m.: 20100602-IR-327080198FRA; errata filed Jul 2, 2010, 1:12 p.m.: 20100714-IR-327100432ACA