Sewer Lateral Location Information:
Digital Request for Sewer plans:
Contact Wastewater Branch:
dppwastewaterbranch@honolulu.gov
808-768-8210
650 S. King St. 1st Flr. Honolulu, Hi. 96813
Sewer/wastewater trouble calls
For breaks or blockages outside of the property, in the city right of way.
808-768-7272
Environmental Services – Contact Us
Hawaii Kai Towne Center, Executive Plaza,
6700 Kalanianaole Hwy, Ste 206 Honolulu, HI 96825
1-808-394-1283
Individual WasteWater Treatment Systems (Privately Owned) (cesspools, septic tanks, etc.)
Plan review for conformance:
Projects affecting City-owned or City-maintained sewers in the City Right of Way require plan review.
Construction plan review process goes through Subdivision branch.
All others:
Submit full size plans to:
Wastewater Branch Office
650 S. King St. 1st Flr Honolulu, HI. 96813
What is a Sewer Capacity Analysis?
Sewer Capacity Analysis is an official request to the Department of Planning and Permitting, Wastewater Branch, to initiate an analysis of the City and County wastewater system to determine sewer adequacy for a proposed project.
How long is the approved Sewer Capacity Analysis valid?
An approved Sewer Capacity Analysis form is a written confirmation of sewer capacity reservation valid for two (2) years from approval date.
How do I get my Sewer Capacity Analysis approved?
Approval is based on available capacity of affected wastewater infrastructure and regulatory permit limitations. Affected infrastructures may include sewer lines, wastewater pump stations, force mains, wastewater treatment plants, and wastewater outfalls. Permits are regulated by the State Department of Health and the Environmental Protection Agency (EPA).
Who can submit an Sewer Capacity Analysis?
Anyone. Owners, architects, engineers, planners, developers, buyers, etc.
When is a Sewer Capacity Analysis required?
A Sewer Capacity Analysis is required for projects that may increase sewage flow to the municipal sewer system.
Submit a Sewer Capacity Analysis form for:
– A new sewer connection from an unsewered lot.
– A new subdivision.
– A new second unit or multi-family dwelling.
– A new development to a mixed use lot.
– A new commercial building or addition.
Alterations to existing spaces in a commercial building such as offices, fast foods, restaurants, or retail stores, etc.
A Sewer Capacity Analysis is not required for building one single family dwelling on a vacant lot in a sewered area. Sewer Capacity Analysis are not required for projects connected to privately owned sewer systems. Projects served by cesspools and/or septic tanks that are not connected to the municipal sewer system require approval by the State Department of Health. Projects served by private treatment plants such as Hawaii American Water Company may require their approval.
What is an IWDP?
An IWDP is an Industrial wastewater discharge permit/application.
-Commercial projects that require a building permit and have a sewer connection will need to be evaluated for the issuance of an Industrial Wastewater Discharge Permit (IWDP)
-Complete and return the IWDP application to the Department of Planning and Permitting, Wastewater Branch, through HNL:BUILD The information provided will assist in determining if an IWDP is needed.
-If required, the form will then be used as an application for the IWDP.
Please contact Regulatory Control for more information. (808)-768-4108
When do I need to submit IWDP application?
The IWDP application is only submitted to DPP when it is required a building permit.
Submissions for renewal of an existing industrial wastewater discharge permit is sent directly to Environmental services Regulatory Control.
HONOLULU SOCIAL MEDIA
CITY SHARES
RESOURCE LINKS
