Aerobic Treatment Units (ATUs): The Solution for Challenging Lots in Hawaii

Excavation Marketing Pro

Published on: 27/10/2026

Small lot? Close to the ocean? Poor volcanic soil? Hawaii's DOH may require an Aerobic Treatment Unit (ATU) for your property. Learn exactly when ATUs are required, how they work, and what ongoing maintenance they need.

Aerobic Treatment UnitATUHawaiiSeptic SystemChallenging Lots

Septic System vs. Cesspool: Which is Right for Your Hawaii Property?

Excavation Marketing Pro

Published on: 06/08/2026

Hawaii's 2050 mandate requires all cesspools to be converted. But what are your options? This guide explains exactly how cesspools, standard septic tanks, and aerobic treatment units (ATUs) work - and how to choose the right system for your property.

Septic SystemCesspoolHawaiiAerobic Treatment UnitWastewater