Contact Papa'iki Engineering Inc.

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Septic Systems & Wastewater Planning

Many properties on Kaua‘i rely on septic systems rather than public sewer infrastructure. Hawai‘i’s cesspool conversion mandate is also requiring many property owners to evaluate wastewater upgrades and replacement systems.


Papa'iki Engineering Inc. provides septic and wastewater planning focused on:

Cesspool conversion support
Site-specific wastewater solutions
Drainage coordination
Infrastructure planning
Permitting support

Early coordination helps reduce delays during review, permitting, and construction.

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Backflow preventers are required by the County of Kaua‘i Department of Water (DOW) to protect the domestic water supply from contamination. These requirements are separate from septic and wastewater regulations.


Papa'iki Engineering Inc. provides:

Construction Drawings
Backflow preventer requirements
Agency Approval
We work directly with the Department of Water to get your backflow preventer plans approved.

When are these required?


The DOW typically mandates a backflow preventer for:

Agricultural Lots
Agricultural Lots Any property with agricultural zoning.
Pools & Spas
Properties with swimming pools or water features.
Contamination Risks
Any site use the DOW identifies as a possible cross-connection source.

Backflow Preventers

Get in Touch

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Location

Lihu'e, HI

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Hours

24/7 Availability

Contact Us

Contact Us