Serving Hawaii Counties: Honolulu, Kauai, Hawaii and Maui
Expert excavation, grading, lAND CLEARING
🎁 Discounts Available! Get Free Estimate Now
🎁 Discounts Available! Get Free Estimate Now
Why Choose Us?
Competitive Rates
Straight Forward Pricing. No Surprises.
True Professionals
Fully Licensed & Insured. We don't cut corners.
Friendly Service!
We treat our customers like family. Experience the difference.
Excavation & Septic Services You Can Rely On in Honolulu County and Beyond
At Advanced Compliance Solutions, Inc. (ACSI), we provide complete excavation, septic, and wastewater engineering services for homeowners, contractors, and businesses throughout Honolulu County and across Hawaii’s neighboring islands. From commercial and residential excavation to septic system design, installations, drain field replacement, and sewer repairs, Commercial & Residential Wastewater services, Leach field installation, Septic system installation, Cesspool & Septic Solutions, Aerobic Tanks, Commercial System Design/Upgrade & Tanks, Wastewater engineering, septic system repair our team brings over 30 years of engineering and construction experience to every job.
Based in central Oahu, we proudly serve communities including Haleiwa, Waialua, Hauula, Kahaluu, Kaneohe, Honolulu, Hanalei, Kapaa, Kilauea, Captain Cook, Hilo, and Kona, as well as projects across Honolulu, Kauai, Hawaii, and Maui Counties. Whether you need a new system designed, an old drain field replaced, or a difficult site evaluated, ACSI is here to help you find a safe, sustainable solution that meets Hawaii’s regulations and protects your property.
Local Wastewater Services for Homes and Businesses
Wastewater Services – Reliable local wastewater management solutions designed to protect your property, your investment, and the environment.
Leach Field Installation – Professional installation of properly sized and engineered leach fields that fit local soil, space, and regulatory requirements.
Septic System Installation – Complete septic system installations for residential and commercial properties, ensuring long-term performance and compliance.
Cesspool & Septic Solutions – Local service solutions to inspect, repair, maintain, and upgrade cesspools and septic tanks for safe and dependable operation.
Aerobic Tanks – Advanced aerobic treatment systems designed for properties with limited space, challenging soil, or higher filtration needs.
Commercial System Design/Upgrades & Tanks – Tailored wastewater systems for businesses, including engineered upgrades, expansions, and tank installations.
Wastewater Engineering – Professional planning, design, and analysis, ensuring that your wastewater system meets performance demands and regional regulations.
Septic System Repair – Fast, professional repairs to fix failing septic systems and prevent property damage, health hazards, or environmental impact.
Cesspool Inspection – Detailed inspections to evaluate the safety, condition, performance, and compliance of existing wastewater and cesspool systems.
Whether you’re building in Honolulu, improving a property in Kaneohe, or working on a remote site in Kauai or Hawaii Island, our excavation crew is equipped to handle challenging access, sensitive environments, and strict timelines.
Internal links to include here:
Cesspool Inspection
Septic System Installation
Wastewater Services
You can trust ACSI to coordinate excavation with system design and installation, ensuring everything aligns—from elevations and slopes to safety and long-term performance.
Septic System Services Built for Hawaii’s Conditions
Septic systems in Hawaii must be designed and installed with care, both to protect public health and to preserve our islands’ environment. ACSI is Hawaii’s only full-service engineering and installation provider, which means we can take your septic project from start to finish under one roof.
Our septic services include:
Wastewater Services – Complete solutions for managing, treating, and maintaining wastewater systems for homes and businesses.
Leach Field Installation – Designing and installing properly sized leach fields that meet soil conditions and regulatory standards.
Septic System Installation – Full installation services for new septic systems tailored to site layout and local requirements.
Cesspool & Septic Solutions – Repairing, maintaining, and upgrading cesspools and septic systems to ensure safe and reliable operation.
Aerobic Tanks – Installing advanced aerobic treatment systems for properties needing higher filtration or facing site limitations.
Commercial System Design/Upgrade & Tanks – Designing, upgrading, and installing wastewater systems and storage tanks for commercial facilities.
Wastewater Engineering – Professional planning, design, and system analysis for reliable long-term wastewater performance.
Septic System Repair – Diagnosing and repairing system failures to restore proper function and prevent environmental hazards.
Cesspool Inspection – Inspecting existing systems to evaluate safety, performance, condition, and compliance.
From the first site visit, we look at your property with an engineer’s eye. We consider soil type, groundwater, setbacks, slopes, and structural loads, and then design a system that meets your needs and complies with local and state regulations.
Internal links to include here:
Septic Inspections
Septic Installations
Drain Field Replacement
Sewer Repairs
We handle design, permitting, excavation, installation, and compliance, so you work with one experienced team from beginning to end.
Environmental Engineering & Compliance Solutions
Beyond excavation and installation, ACSI also operates as a full-service environmental consulting and engineering firm. Many projects in Hawaii require more than just digging and installing—they involve obtaining permits, creating plans, and maintaining ongoing compliance.
Our environmental and engineering services can include:
Engineering Design for Septic and Wastewater Systems
Permitting Support and Regulatory Coordination
Management Plans and Compliance Documentation
Consultation for Commercial and Industrial Sites
Training and Technical Guidance
With deep regulatory knowledge and strong relationships across the industry, ACSI helps clients navigate Hawaii’s rules and requirements with confidence. We translate technical language into clear options, helping you understand what’s needed, why it matters, and how to move forward.
Whether you are a contractor, business owner, or property manager, ACSI can be your trusted advisor from concept through completion.
Why Homeowners & Businesses Across Hawaii Choose ACSI
When you’re dealing with septic systems, excavation, and regulatory agencies, you need more than just a contractor. You need a partner you can trust.
Here’s why so many clients throughout Honolulu, Kauai, Maui, and Hawaii Counties choose ACSI:
30+ Years of Engineering & Construction Experience
Owner Dennis Poma brings decades of hands-on and technical experience to every project. His background in engineering and construction allows ACSI to solve complex problems that others might walk away from.
Hawaii’s Only Full-Service Engineering and Installation Provider
Instead of juggling multiple firms, you can rely on one team for design, permitting, excavation, installation, and compliance.
Regulatory Knowledge
We understand Hawaii’s regulations and work to ensure your system is both compliant and designed to last.
Honest, Reliable Service
Integrity is at the core of our work. We provide clear explanations, straightforward recommendations, and realistic timelines.
Solutions and Problem Solvers
Difficult soils, tight access, strict setbacks, or failing systems—these are the challenges we are built to handle.
Trusted Industry Relationships
We regularly collaborate with First Quality Environmental, Cowper Construction, Alapa Plumbing, Laie Trucking, Laulea Engineering, and others, ensuring projects are supported by a strong professional network.
ACSI has worked with hundreds of clients across Hawaii and continues to build long-term relationships based on trust, performance, and responsive service.
Questions?
Let Us Simplify Your Life! 😊
Areas We Serve
ACSI is based in central Oahu and provides excavation, septic, and engineering services across multiple islands and counties.
We proudly serve:
Honolulu County (Oahu)
Haleiwa, Waialua, Hauula, Kahaluu, Kaneohe, Honolulu, and surrounding communities.
Kauai County
Hanalei, Kapaa, Kilauea, and nearby areas.
Hawaii County (Big Island)
Captain Cook, Hilo, Kona, and other Big Island communities.
Maui County
Select projects across the region, depending on scope and requirements.
Each of these counties can have unique regulations and site conditions. ACSI’s knowledge of local rules, soil conditions, and environmental priorities allows us to tailor solutions to each property and project.
Internal link opportunities:
Excavation & Septic Services in Honolulu County
Septic Services in Kauai County
Septic & Sewer Solutions in Hawaii County
Excavation & Environmental Services in Maui County
Transparent Pricing & Payment Options
Every project is unique, but we know that clear pricing expectations help clients feel more comfortable moving forward.
Typical ranges may include:
Septic Engineering: Around $2,500 for engineering design and related planning.
Septic Installation: Many installations begin around $32,500 for installation, depending on site conditions, system type, and regulatory requirements.
These figures are general ranges, not firm quotes. After reviewing your site, we’ll provide a detailed estimate based on your specific property and system needs.
For your convenience, ACSI accepts:
Credit Cards
Electronic Checks
Cash
Checks
We’ll walk you through the scope, pricing, and timeline so you always know what to expect.
Partner Up With ACSI – Get a Free Consultation or Estimate
If you’re planning a new build, upgrading an aging system, or dealing with a septic or sewer issue, you don’t have to navigate it alone. When you partner with ACSI, you get:
A team that listens to your concerns
Clear explanations of your options
Engineering-level insight
A practical plan that fits your property and meets Hawaii’s standards
Call us today at (808) 349-9076 or fill out our online contact form to schedule a consultation or request an estimate. We’ll review your site, discuss your goals, and help you choose the best path forward for your property.
ACSI is here to preserve the environment, protect health, and provide sustainable solutions for communities across Honolulu County and beyond.
Hours:
Mon - Fri 9:00 am - 5:00 pm
Extended hours by appointment only.
Hours:
Mon - Fri 9:00 am - 5:00 pm
Extended hours by appointment only.
See Our Excavation & Septic Services
✔️ Commercial Excavation
✔️ Residential Excavation
✔️ Septic Inspections
✔️ Septic Installs Traditional Systems
✔️ Septic Tanks - Aerobic Systems
✔️ Septic Tanks - Plastic/Poly
✔️ Septic Maintenance
✔️ Sewer Repairs
✔️ Trenching
✔️ Residential Wastewater Services
✔️ Residential Septic Tank Installation
✔️ Residential Septic System Installation
✔️ Residential Leach Field Installation
✔️ Industrial Wastewater Engineering
✔️ Commercial Cesspool Inspection
Quality Services Launched FAST!
✔️ Aerobic Systems
✔️ Drain Field Replacements
✔️ Residential Septic Maintenance
✔️ Residential Cesspool Inspection
✔️ Residential Aerobic Septic System
✔️ Residential Septic System Repair
✔️ Residential Wastewater Engineering
✔️ Commercial Wastewater Services
✔️ Commercial Septic Tank Installation
✔️ Commercial Septic System Installation
✔️ Commercial Leach Field Installation
✔️ Commercial Aerobic Septic System
✔️ Commercial Septic System Repair
Clear Communication From Start To Finish
It all starts with clear communication. From your initial quote to our first day on job you'll see the difference. We know what questions to ask and how to clearly communicate and execute your exact vision without surprises. This in turn usually produces a positive outcome meeting or exceeding your expectations. But please don't take our word for it. We'll let our customers do the talking...
We have many years of experience inworking with home owners and businesses for all their excavation and septic needs. We are prepared to amaze you with our customer service & project management.
A Simple 5 Step Process...
Call or fill out our webform for your inquiry.
A friendly staff member will get the basic details of your project.
We'll get you a straight forward, fair price for your project.
We'll handle everything from A to Z including all necessary permits to make your life easier.
We'll complete your project on time and within budget.
Questions? Please Call Now!😊
Hours: Mon-Sat 7AM-5PM
Extended hours by appointment only.
Address: 96-1173 Waihona St. Unit A2 Pearl City Hawaii 96782
All rights reserved | Client Support Area
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