Indiana Administrative Code
Title 327 - WATER POLLUTION CONTROL DIVISION
Article 8 - PUBLIC WATER SUPPLY
Rule 2.5 - Disinfectants and Disinfection
Section 2.5-18 - Requirements for remaining on reduced TTHM and HAA5 monitoring based on Subpart L requirements: stage 2 disinfection byproducts requirements
Universal Citation: 327 IN Admin Code 2.5-18
Current through March 20, 2024
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
Sec. 18.
A PWS on reduced monitoring shall comply with the following:
(1) The PWS may remain on reduced monitoring after the dates identified in section 11(c) of this rule for compliance with sections 11 through 17 of this rule, this section, and sections 19 and 20 of this rule only if the PWS:
(A)
qualifies for a 40/30 certification under
40 CFR
141.603, as incorporated by reference in
section 10(a)(4) of this rule; or
(B) has received a very small system waiver
under
40 CFR
141.604, as incorporated by reference in
section 10(a)(5) of this rule.
(2) The PWS:
(A) shall meet the reduced monitoring
criteria in section 14(a) of this rule; and
(B) may not change or add monitoring
locations from those used for compliance monitoring under sections 1 through 9
of this rule. If the monitoring locations for a PWS differ from the monitoring
locations under sections 1 through 9 of this rule, the PWS may not remain on
reduced monitoring after the dates identified in section 11(c) of this rule for
compliance with sections 11 through 17 of this rule, this section, and sections
19 and 20 of this rule.
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