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Water Quality Standards Regulations: Hawaii

Presented below are water quality standards in effect for Clean Water Act (CWA) purposes for this state.

EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. Also, for each document listed under "State Standards in Effect for CWA Purposes", EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes.

On this page:

State Standards in Effect for CWA Purposes
Federally Proposed or Promulgated Standards

State Standards in Effect for CWA Purposes

[See Hawaii Administrative Rules Title 11, Chapter 54 - Water Quality Standards ]
(Effective May 20, 2015) State regulations establishing water quality standards for waters in Hawaii.
[See Hawaii Administrative Rules Title 11, Chapter 55 – Water Pollution Control ]
(Effective March 18, 2013) State regulations establishing policy and implementation of Hawaii’s water pollution control through NPDES permitting.

Federally Proposed or Promulgated Standards

40 CFR §131.41 Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A)

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Hawaii Administrative Rules Title 11, Chapter 54 - Water Quality Standards (PDF)(111 pp, 23 MB)
Hawaii Administrative Rules Title 11, Chapter 55 – Water Pollution Control (PDF)(403 pp, 4 MB)