Public Notices

The following is being provided to inform the public of current environmental air matters.

Air Pollution Control Permits

For air permit applications that require a public comment period, the Administrative Record is provided below. The Administrative Record for a permit application includes the draft Air Permit, draft Air Permit Review, and Public Notice. To obtain copies of the Administrative Record for an application, please see the Public Notice.

The Air Permit states the conditions under which a facility is allowed to operate.
The Air Permit Review gives an assessment of the project, the regulatory requirements, and the proposed actions.
The Public Notice provides information on the public comment period, the public hearing, if applicable, and other related topics. Copies of the notice may also appear in the statewide Honolulu Star Advertiser and other local newspapers. The “closing date” represents the due date for any comments that may be solicited by the notice.

The Clean Air Branch is currently requesting comments on the following draft permits. Click on the document title to view the full text. If the title does not display correctly, switching browsers may help.

Draft Permit Under Review	Administrative Record	Closing Date
Covered Source Permit (CSP) No. 0912-01-C Application No. 0912-01 for Initial Permit Ukiu Energy, LLC Six (6) 7.48 MW (Nominal) Wartsila Engine Generators Located At: Pulehu Road and Upper Division Road, Kahului, Island of Maui PUBLIC HEARING CANCELLATION NOTICE The public hearing for draft Covered Source Permit No. 0912-01-C is cancelled since the Department of Health, Clean Air Branch did not receive any request for a public hearing.	Admin Record for 0912-01-C	12/20/2025
Temporary Covered Source Permit (CSP) No. 0929-01-CT Application No. 0929-01 for Initial Permit Concrete Washout Systems of Hawaii, Inc. Crushing and Screening Plant Located At: Various Temporary Sites, State of Hawaii Initial Location: 86-70 Leihoku Street, Waianae, Island of Oahu	Admin Record for 0929-01-CT	02/18/2026

The following are related to the Greenhouse Gas Emissions Reduction requirements.

Draft Permit Under Review	Documents (includes Public Notice)	Closing Date

Air Monitoring or Enforcement Related Documents

For air monitoring or enforcement related documents that require a public comment period, the document and public notice are provided.
Click on the air monitoring or enforcement related document title to view the full text.

Air Monitoring or Enforcement Document

Public Notice

Closing Date

Proposed Plan for Exceptional Events Mitigation for Hawaii County – Docket No. 18-CA-PA-21

Plan for Exceptional Events Mitigation for Hawaii County

Request for Public Comments on Proposed Plan

Docket No. 18-CA-PA-21

10/23/2018

Miscellaneous Public Notices

Miscellaneous public notices are those that are required by other federal or state laws and regulations. Click on the Miscellaneous Document title to view the full text.

Miscellaneous Document

Public Notice

Closing Date

Hawaii Infrstructure State Implementation Plan and Associated Appendices A through H

Notice of Public Comment Period for Hawaii’s Draft Infrastructure State Implementation Plan (I-SIP)

Docket No. 25-CA-PA-13

In accordance with Federal Clean Air Act §110(a)(1) and (a)(2), the Department of Health, State of Hawaii (DOH) is offering a public comment period for the subject I-SIP to implement, maintain, and enforce the 2010 sulfure dioxide (SO2), 2012 fine particulate matter (PM2.5), and 2015 ozone (O3) National Ambient Air Quality Standards (NAAQS).

08/31/2025