Book a quick inspection and find out if your ATT Septic System is working properly. Our team makes the process simple and stress-free.
Major Septic Problems That Can Affect Your Home
Backyard Flooding
Water and waste backing up from your septic system can flood your yard. This creates muddy messes, smells, and makes it hard to enjoy your outdoor space.
Bad Odors in Your Home
Sewage smells from your drains or yard are more than unpleasant—they signal your system isn’t working right. The smell can travel through your house and make living indoors unpleasant.
Drains That Don’t Work Properly
If your sinks, tubs, or toilets drain slowly, it could mean your septic system is clogged. Ignoring slow drains can cause major plumbing problems later.
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Toilet or Basement Backup
A backup of sewage in your home is a major health hazard. Sewage backups can ruin your home and put your family at risk.
Unexpected Septic Emergencies
Septic issues that are left alone can lead to big, unexpected bills. Preventive maintenance keeps your system working and your costs down.
Property Damage and Health Risks
A failing septic system can leak harmful bacteria into your soil and water. Contamination from a bad system can harm people, animals, and your home.
Why Choose Us?
When it comes to septic tank pumping, homeowners want the job done right, clean, and on time. Below are the key reasons customers trust us to handle their septic needs with care and professionalism.
Experienced Septic Professionals
Our team knows septic systems inside and out. We understand how to pump tanks safely without damaging your system. That experience helps prevent future problems.
On-Time and Reliable Appointments
We show up when we say we will. Homeowners don’t have to wait around or deal with delays. Reliable service means less stress for you.
Honest Answers and Clear Communication
We explain what we see in simple terms. If there is an issue, you’ll know what it is and why it matters. No confusion and no pressure.
Trusted ATT Septic Systems in Cornelius, OR
Keep your plumbing running smoothly with a trustworthy septic system. Lil Stinky Septic provides solutions to common septic problems in Cornelius, OR.
Why Choose ATT Septic Systems
A broken septic system is a big risk for your property and family. ATT Septic Systems provide a long-lasting solution that protects your property and keeps your plumbing running smoothly. With Lil Stinky Septic, you can avoid costly repairs and enjoy peace of mind.
Our Simple 6-Step Process
Reach Out Today
Contact us and let our team set up a time that works for you.
On-Site Inspection
We examine your septic system carefully to see what needs to be done.
Clear Plan & Estimate
We explain the steps, timeline, and cost upfront so you know exactly what to expect.
Expert Septic Work
We handle installation and repairs with care and expertise.
Final Testing & Cleaning
After installation, we test your system and clean up the site.
Support After Installation
Our team is here for advice and support after the job.
Peace of Mind with Lil Stinky Septic
Our professional team delivers fast, friendly, and long-lasting solutions. Call now or request a quote and protect your home today.
We Proudly Serve Cornelius
Located in the heart of Washington County, Cornelius, Oregon is a vibrant city with a rich history dating back to the 1800s. Originally settled by European immigrants, Cornelius has grown into a thriving community known for its friendly atmosphere and strong sense of community.
With its close proximity to Portland and the beautiful Oregon coast, Cornelius offers residents the best of both worlds – a small-town feel with easy access to big-city amenities. The city’s affordable housing, top-rated schools, and numerous parks make it a great place to raise a family.
In addition to its residential appeal, Cornelius boasts a variety of attractions for visitors and locals alike. From the popular Cornelius Pass Roadhouse to the stunning Fernhill Wetlands Park, there is no shortage of things to see and do in this charming city.
As an ATT Septic Systems contractor, we are proud to serve the residents of Cornelius and thank them for their continued support and business. We look forward to providing top-notch septic system services for many years to come.
Testimonials
Posted on Timera HenryTrustindex verifies that the original source of the review is Google. Lil’Stinky Septic service did a awesome job I am happy with the drain cleaning service they provided. They worked fast and was very professional. Thank you Lil stinky!Posted on Alyssa GomezTrustindex verifies that the original source of the review is Google. Lil’ Stinky Septic Service provides reliable septic installation and maintenance with excellent customer care. Highly professional and efficient service.Posted on Believe me!Trustindex verifies that the original source of the review is Google. Seth and Dan was great, arrived half an hour earlier then agreed in morning, called before arrival. Quick, friendly service. (No stinkin) Thank you!Posted on Brian MannTrustindex verifies that the original source of the review is Google. Great experience working with Brandon, Seth & Mac, all knowledgeable guys which is what you want when it comes to dealing with septic systems! Having known nothing prior about this myself, it's great to have all your questions answered.Posted on Nonika McCallisterTrustindex verifies that the original source of the review is Google. The employees at Lil' Stinky were absolutely Wonderful. The person who took the appointment (Cindy, I believe) was very kind and really put forth extra effort to be accommodating. The technician, Cory, worked surprisingly fast, patiently answered a bunch of questions with good humor, and gave some very helpful advice and suggestions for future matters. The whole process went truly above and beyond expectations! Lil' Stinky is both HIGHLY recommended and sincerely appreciated! - Sarah in MulinoPosted on Tom SparksTrustindex verifies that the original source of the review is Google. We are VERY pleased with the services of Lil Stinky Septic Service. Their technician Cory and Office Assistant Cindy were outstanding and helped us resolve the issue with our septic system.Posted on Robert KillgoreTrustindex verifies that the original source of the review is Google. Lil stinky replaced my septic tank with great pricing and quality. Technicians Mac and Brandon did a wonderful job and I highly recommend them!Posted on Jess DiehlTrustindex verifies that the original source of the review is Google. Very knowledgeable and easy to work with. Kevin and Mac did an excellent job and got things back to functioning againPosted on Linda TenneyTrustindex verifies that the original source of the review is Google. They explained clearly what they were going to do, and stuck to it. Brandan called everyday to let us know status of their arrival. Brandan and Mac could not have been more knowledgeable and enjoyable to do business with. They were very professional and worked well together. Lil Stinky is lucky to have people like that working for them. We will be happy to recommend Lil Stinky in the future.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Frequently Asked Questions
What is an ATT Septic System?
An ATT Septic System is a modern septic system that treats wastewater before it returns to the soil. It helps reduce backups, odors, and system failures. These systems are designed to be efficient and reliable for homes and businesses.
How do I know if I need an ATT Septic System?
You may need one if you have slow drains, bad smells, wet spots in your yard, or frequent septic issues. New homes and properties with poor soil often require ATT Septic Systems. An inspection can confirm the best option for your property.
How long does installation take?
Most ATT Septic System installations take a few days from start to finish. The exact time depends on your property, soil, and system size. We explain the timeline clearly before work begins.
Will the system damage my yard?
We take care to protect your property during installation. Some digging is needed, but we clean up the area when the job is done. Our goal is to leave your yard safe and neat.
How do I maintain an ATT Septic System?
Regular inspections and pumping help keep the system working properly. You should avoid flushing harmful items or pouring grease down drains. We provide clear maintenance tips after installation.
Are ATT Septic Systems safe for my family?
Yes. ATT Septic Systems are designed to safely treat wastewater and protect your home and groundwater. When installed and maintained correctly, they help keep your family and environment safe.


