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Kaneohe-Kailua Wastewater Conveyance Tunnel

Under construction · Hawaii · Last reported Jul 2015

Source: Ground Engineering

Project
Under Construction

The Kaneohe-Kailua Wastewater Conveyance Tunnel is a new deep sewer tunnel being constructed in Hawaii. It aims to improve wastewater infrastructure by eliminating overflows during rain events, utilizing a tunnel boring machine named Pohakulani to drive the 4.8km-long tunnel through basalt bedrock.

Status
Under Construction
Sector
Water Supply and Storage, Tunnel, Waste Processing and Treatment, Government
Location
Kaneohe, Hawaii, United States of America
Updated
22 Jul 2026
Source
Ground Engineering

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The project “Kaneohe-Kailua Wastewater Conveyance Tunnel” is an infrastructure initiative in the Water Supply and Storage sector, located in Kaneohe, Hawaii, United States. Taiyo aggregates data on it from Ground Engineering.

Participants

Sponsoring Agency

Status

Original status

Under Construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Kaneohe-Kailua Wastewater Conveyance Tunnel is a new deep sewer tunnel being constructed in Hawaii. It aims to improve wastewater infrastructure by eliminating overflows during rain events, utilizing a tunnel boring machine named Pohakulani to drive the 4.8km-long tunnel through basalt bedrock.

Original sector

Wastewater

Location

Country

United States of America (USA)

State

Hawaii

City

Kaneohe

Source

Source

Ground Engineering

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Tunnel, Waste Processing and Treatment, Government

Article published date

2025-03-20

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