Hawaii Administrative Rules
Title 11 - DEPARTMENT OF HEALTH
Subtitle 1 - GENERAL DEPARTMENTAL PROVISIONS
Chapter 20 - RULES RELATING TO PUBLIC WATER SYSTEMS
Section 11-20-6 - Maximum microbiological contaminant levels
Current through February, 2024
(a) Beginning April 1, 2016, a system is in compliance with the MCL for E. coli for samples taken under the provisions of section 11-20-9.1 unless any of the conditions identified in paragraphs (1) through 4) occur. For purposes of the public notification requirements in section 11-20-18, violation of the MCL may pose an acute risk to health.
(b) Beginning April 1, 2016, a public water system must determine compliance with the MCL for E. coli in subsection (a) for each month in which it is required to monitor for total coliforms.
(c) The director hereby identifies the following as the best technology, treatment techniques, or other means available for achieving compliance with the MCL for E. coli in subsection (a):
(d) The director, pursuant to section 1412 of the Act, hereby identifies the technology, treatment techniques, or other means available identified in subsection (c) as affordable technology, treatment techniques, or other means available to systems serving ten thousand or fewer people for achieving compliance with the MCL for E. coli in subsection (a).