The Wastewater Branch administers the statewide engineering functions relating to water pollution control, municipal and private wastewater treatment works, individual wastewater systems and the Clean Water State Revolving fund. The Wastewater Branch’s mission is to protect public health and the environment.
Our jurisdiction does not extend to properties serviced by sewer. To see if you are serviced by sewer, check your water bill for a sewer charge or check if you receive a sewer bill. Any complaints or questions related to wastewater issues on these properties should be directed to the relevant county department or private sewer system provider.
Hawaii Administrative Rules (HAR)
- Chapter 11-61
Wastewater Treatment Plant Personnel Certification
Effective January 2, 2002 pdf
- Chapter 11-62
On-site Wastewater Systems
Amendment Effective March 21, 2016 pdf | searchable pdf
- Click here to find other Hawaii Administrative Rules.
Our waitlist for the Cesspool Pilot Grant Program has been filled! Thank you for the overwhelming amount of interest in the grant program. We are no longer receiving applications for this grant program.
NOVO Payment Required Notification for 4808 Ohu Road, Kapaa, Hawaii 96746. See Notice and Finding of Violation and Order section at bottom of page.
Cesspools are substandard systems. They don’t treat wastewater, they merely dispose of it.
IWS are on-site systems for treating and disposing of domestic wastewater. They are commonly either septic tanks or aerobic treatment units.
All other domestic wastewater treatment and disposal systems that are not IWS or cesspools. This includes private and municipal WWTWs, as well as WWTWs that produce recycled water for reuse applications.
Derived from domestic wastewater that has been treated to various grades, recycled water has become more critical due to the state’s growing population, limited potable water resources, and wastewater disposal issues.
The Clean Water State Revolving Program provides low interest loans for the construction of point source and non-point source water pollution control projects.
The SWOTC works with the BOC to implement the Operator Certification Program that is established by Chapter 11-61.
Relates to operations that haul or pump wastewater, wastewater sludge, septage, and grease.
Applies to buildings or operations generating wastewater from agricultural, commercial, or industrial activities.
A variance application is typically submitted by the engineer. The form for which can be found below:
Please fill out the following form and submit it to [email protected]
or mail it to the Oahu Office:
For requests related to IWS (e.g., cesspool, septic tanks, aerobic treatment units), please call your local office for more information. See phone numbers at the bottom of the page.
Environmental Management Division
Hawaii State Department of Health
Hale Ola Building
2827 Waimano Home Road, Ste 207
Pearl City, Hawaii 96782
54 High Street, Room 300
Wailuku, Hawaii 96793
1582 Kamehameha Avenue
Hilo, Hawaii 96720
79-1020 Haukapila Street, Room 115
Kailua-Kona, Hawaii 96750
3040 Umi Street
Lihue, Hawaii 96766
When Visiting Oahu Office: Please note that you’ll be stopped at the guard shack, please tell the guard that you are visiting the Wastewater Branch office in the Hale Ola Building. Once you pass the guard shack, just follow the road all the way up and the building will be at the top. Parking will be free! You can park on the road or in the guest parking lot.