Section 327IAC8-2.3-7. Reporting and record keeping for ground water systems

   (a) In addition to the requirements of 327 IAC 8-2-13, a ground water system regulated under this rule shall provide the following information to the commissioner:

(1) A ground water system conducting compliance monitoring under section 5(b) of this rule shall notify the commissioner under the following circumstances:

(A) Any time the system fails to meet any of the following requirements specified by the commissioner:

(i) Minimum residual disinfectant concentration.

(ii) Membrane operating criteria or membrane integrity.

(iii) Alternative treatment operating criteria.

(B) Within a time period according to the following:

(i) Notify the commissioner within four (4) hours of a failure to meet any commissioner-specified requirement under clause (A) if operation in accordance with the criteria or requirements is not restored.

(ii) The ground water system shall notify the commissioner as soon as possible, but in no case later than the end of the next business day.

(2) After completing any corrective action under section 5(a) of this rule, a ground water system shall notify the commissioner within thirty (30) days of completion of the corrective action.

(3) If a ground water system subject to the requirements of section 4(a) of this rule does not conduct source water monitoring under section 4(a)(5)(B) of this rule, the system shall provide documentation to the commissioner within thirty (30) days of the total coliform positive sample that it met the criteria set by the commissioner.

  (b) In addition to the requirements of 327 IAC 8-2-20, a ground water system regulated under this rule shall maintain the following information in its records:

(1) Documentation of corrective actions must be kept for a period of not less than ten (10) years.

(2) Documentation of notice to the public as required under section 5(a)(7) of this rule must be kept for a period of not less than three (3) years.

(3) Records of decisions under section 4(a)(5)(B) of this rule and records of invalidation of fecal indicator-positive ground water source samples under section 4(d) of this rule must be kept for a period of not less than five (5) years.

(4) For consecutive systems, documentation of notification to the wholesale system or systems of total-coliform positive samples that are not invalidated under 327 IAC 8-2-8(f) must be kept for a period of not less than five (5) years.

(5) For systems, including wholesale systems, that are required to perform compliance monitoring under section 5(b) of this rule, records of the following must be maintained:

(A) The minimum disinfectant residual specified by the commissioner must be kept for a period of not less than ten (10) years.

(B) The lowest daily residual disinfectant concentration must be kept for a period of not less than five (5) years, including the:

(i) date; and

(ii) duration;

of any failure to maintain the minimum residual disinfectant concentration for a period of more than four (4) hours as prescribed by the commissioner.

(C) Commissioner-specified compliance requirements for membrane filtration and of parameters specified by the commissioner for commissioner-approved alternative treatment must be kept for a period of not less than five (5) years, including the:

(i) date; and

(ii) duration;

of any failure to meet the membrane operating, membrane integrity, or alternative treatment operating requirements for more than four (4) hours.

(Water Pollution Control Division; 327 IAC 8-2.3-7; filed May 7, 2010, 9:30 a.m.: 20100602-IR-327080198FRA)