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TRUSTED BY WILLAMINA, OR HOMEOWNERS

  • Average homeowner rating star icon5
    Average homeowner rating
  • Verified reviews icon11
    Verified septic tank services reviews

Top-Rated Septic tank pros in Willamina - Updated Nov 2026

Avatar for A AFFORDABLE SEPTIC SERVICE LLC
A AFFORDABLE SEPTIC SERVICE LLC
4.6(
108
)
Septic Tank - Clean or Pump OutSeptic System - Install or ReplaceSeptic System - Install or Replace - For Business+3 more

Serving Willamina, OR and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"I put in a request for septic tank pumping and the first contact (from other company) was crazy high. A Affordable Septic gave a quote that was extremely reasonable and they surely live up to the name. Marty came out this morning; on time or even a bit early. He was extremely kind and helpful. I would definitely recommend this company for anyone needing septic service. I pray God's Blessings on this company and its employees. John 3:16"
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1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Toney Excavation & Building
Toney Excavation & Building
5.0(
3
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Willamina, OR and surrounding areas

Approved

In business since 1989

Free estimates

Small jobs welcome

Our primary goal is to provide our clients with well performed services. We work hard to establish return customers. It is our objective to provide quality excavation services, affordability, and effective communication with our clients. We look forward to working with you.

Response time11 hrs
Response rate88%
1 neighbors recently requested a quote
Fasco
3.6(
8
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Willamina, OR and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

Fasco has a single mission: Complete Customer Satisfaction! We strongly believe in giving our customers the most for their money. So, we work with only the highest quality materials, experienced and professional craftsmen. We consistently focus on the needs of our customers, providing personalized attention and a stress-free experience. This approach sets us apart and makes us one of the leading handyman companies in Salem, OR.

 Rocks stairs
 Angel of Hope
 Retaining wall
 Front porch
 Retaining walls

+8

Response time1 day
Response rate100%
Recommended by100%of homeowners
Avatar for SPEEDY SEPTIC
SPEEDY SEPTIC
4.4(
91
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Willamina, OR and surrounding areas

In business since 1983

Emergency services offered

Warranties offered

"Informative website. Easy to schedule, one call, provided a two hour window. Speedy left reminder call on day before. Day of service, Jason called when 15" away from start of window. Arrived on time. Two man crew. Confirmed services to be provided. Provided information on maintenance. Pumped tank. Verified system was clear. Calculated bill provided senior discount which was better than coupon on site. Recommend highly."
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Recommended by88%of homeowners
Avatar for Grumpy's Drains
Grumpy's Drains
4.8(
582
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Willamina, OR and surrounding areas

Free estimates

Credit card accepted

"I had a gutter installer as well as another plumbing company i trust recommend Grumpy's, and they were great recommendations! 
Scheduling was about 4 days out, and this morning Grumpy and team called ahead and said they were on their way - very appreciated.  When they arrived, we did a quick walk through and they asked questions and set expectations.  They were here for about an hour and then told me about the issues i was having that required more than drain cleaning and provided references as well as short term fixes in case i wasn't ready to dig up cement!  I also asked them a question about a ktichen drain question, and they were able to take a look while they were here and fix the problem.  The price was as expected. 
I would absolutely use them again. 

"
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Recommended by94%of homeowners
McMinnville Pumping, LLC
4.8(
3
)
Septic System - RepairSeptic System - Repair - For BusinessSeptic Tank - Clean or Pump Out+1 more

Serving Willamina, OR and surrounding areas

In business since 1982

Free estimates

Emergency services offered

"The person that came out answered all my questions and explained the "pros and cons". The cost was exactly what they said it would be if there were no other problems. I had told them I had the lid to the tank exposed and ready , but come to find out it was the small lid and they needed the big lid. He help me dig it out no extra charge. Thank you mcMinnville pumping."
Response time2 days
Recommended by66%of homeowners
Small jobs by Mike
5.0(
2
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Willamina, OR and surrounding areas

In business since 1992

Free estimates

Credit card accepted

Mike Arts is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business. \n

Response time11 hrs
Recommended by100%of homeowners
Avatar for 503 PLUMBING & MECHANICAL LLC
503 PLUMBING & MECHANICAL LLC
4.8(
4
)
Septic System - Repair

Serving Willamina, OR and surrounding areas

In business since 2023

Free estimates

Credit card accepted

Here at 503 PLUMBING & MECHANICAL LLC with over 10+ years of experience we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today!

New toilet
Response time4 hrs
Recommended by75%of homeowners
American On Site
New to Angi
Septic System - Install or Replace

Serving Willamina, OR and surrounding areas

In business since 2003

Free estimates

Credit card accepted

At American On Site, you can find the solutions to all your septic needs. Registered with DEQ, licensed, bonded and insured, you can be sure of the highest standards you will ever need for your septic problems! \n \nMany homeowners don't know their septic tank. The tank is buried and forgotten, along with the rest of the system, untill sewage is ankle deep in the basement or bubbles up in the yard. \n \nThen, the septic tank system is unfairly criticized for failing to do its job. How many people would buy an expensive car and never change the oil? Similarly, regular maintenance of your septic system, by pumping and using a bacterial additive, is necessary to ensure it's proper operation.

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Septic Tanks FAQs, answered by experts

With so much available information about the ecological effects of cesspools (and their general unpleasantness), it begs the question: Are cesspools legal? In short, sort of. Large-capacity cesspools that serve more than 20 people are completely illegal countrywide. Existing, smaller cesspools are generally allowed as long as they’re not actively polluting. However, new cesspools are illegal to build in all 50 states and Puerto Rico, and many states offer programs to help homeowners with the costs of updating cesspools to modern septic systems.

For the most part, choosing between 30/50 psi and 40/60 psi is based on your water-pressure preference. However, it can also depend a little bit on your house—if you have older plumbing, a lower water pressure can be easier on the pipes (and a bit more gentle on your well pump). 

The lower 30/50 pressure is usually enough for a single-story home, but you may want 40/60 if you have multiple stories, as the extra pressure helps water flow smoothly up to the second floor.

There are a lot of issues that can cause a septic tank to collapse. Those include failing to regularly pump or service it every three to five years, placing too much weight atop the system—by parking your car on top of it or because of a heavy snow buildup for instance—or because of structural damage done by overgrown tree roots.

Most well pump pressure switches have a factory setting of 30 to 50 PSI. There’s some flexibility with this if you’d like a lower or higher water pressure, but remember that it should sit 2 to 3 PSI above your well tank’s general pressure setting.

The inside of your pressure switch cover will usually indicate minimum and maximum settings—going below and above the numbers might damage your well pump.

Septic distribution boxes, also called D-boxes, tend to last over 30 years if taken care of extremely well. In most cases, however, they tend to last anywhere from 15 years to 40 years. Regular cleaning and maintenance, as well as living in an area that doesn’t flood the tank or the system regularly, will all have an impact on the lifespan of the box.

The Willamina, OR homeowners’ guide to septic tank services

From average costs to expert advice, get all the answers you need to get your job done.