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

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
High-Strength Wastewater Solutions for Hawaii's Restaurants and Commercial Kitchens

High-Strength Wastewater Solutions for Hawaii's Restaurants and Commercial Kitchens

Excavation Marketing Pro
Published on: 06/10/2026

Restaurant and commercial kitchen wastewater contains Fats, Oils, and Grease (FOG) that can destroy a standard septic system. Learn what high-strength wastewater is, why grease interceptors are required, and what advanced treatment options Hawaii businesses need to stay compliant.

Commercial WastewaterRestaurantGrease TrapHawaiiDOH Compliance
Why Soil Type Matters for Septic System Design in Hawaii

Why Soil Type Matters for Septic System Design in Hawaii

Excavation Marketing Pro
Published on: 22/09/2026

Hawaii's volcanic rock, dense red clay, and sandy coastal soils all behave differently when it comes to wastewater filtration. Learn why a professional soil evaluation is legally required before any septic system can be designed in Hawaii.

Soil EvaluationSeptic DesignHawaiiPercolationWastewater Engineering
Signs Your Leach Field is Failing (And What to Do About It)

Signs Your Leach Field is Failing (And What to Do About It)

Excavation Marketing Pro
Published on: 01/09/2026

Slow drains, pooling water, and unusually lush grass are all warning signs that your septic drainfield is failing. Learn the top 5 symptoms of a failing leach field in Hawaii and the steps you need to take immediately.

Leach FieldDrainfieldSeptic SystemHawaiiWastewater