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Verified Reviews for Septic Tank Service pros in Fairfield, MT

*The Angi rating for Septic Tank Service companies in Fairfield, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Fairfield, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on June 30, 2026

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

Avatar for Jones Excavation, LLC
Jones Excavation, LLC
5.0(
4
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Fairfield, MT and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

We have the experience and we are committed to providing quality work and superior customer service. We at JONES EXCAVATION strive to maintain our reputation as a high quality, service oriented company with our main focus being customer satisfaction. The work we do is done right as if it was for ourselves and customers trust us to recommend us to their friends and family. Good at communication with customers for each project. \n5 years of experience.

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Fairfield, MT and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Well. Only problem was delay in response time after claim was filed online. Water tank started leaking Thanksgiving morning and no reply until I called the Regional Manager."
Recommended by81%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Fairfield, MT and surrounding areas

In business since 1971

Credit card accepted

"I just pay $75 you never know who's going to come out. They do everything electrical. Just about everything is covered except the septic tank. I had an air conditioner replaced. It went great, all I had to do was pay for the freon. He didn't charge e more than what was needed."
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+2

Recommended by65%of homeowners
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Avatar for 406 Septic Service
406 Septic Service
3.0(
2
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Fairfield, MT and surrounding areas

In business since 2017

Free estimates

Emergency services offered

We take great pride our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Cleaned Filter
Inlet and Outlet Risers
Checked overall system functionality
Response time3 hrs
Recommended by100%of homeowners
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Diamond Back Excavating, LLC
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Fairfield, MT and surrounding areas

In business since 2000

Free estimates

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. \nIt is our mission to provide excellent customer service from start to completion of a project. \nTo understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. \nOur reputation is based on service, safety and quality, regardless of how large or small the job. \n

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Septic Tanks FAQs, answered by experts

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 tank odors can happen because of a few different issues with your septic system, such as a full tank, clogged drains, or blocked venting systems. Not only is a smelly septic tank pretty unpleasant, but it can also pose a potential hazard to yourself and your home. Toxic fumes could be hanging around, or untreated wastewater could be harming the environment.

You can put yogurt in your septic tank, but it will not increase the bacteria in your septic tank. In other words, it won't harm your tank, but it won't get rid of a septic smell or boost the performance of your septic system. While yogurt contains helpful bacteria, you would need to buy an extraordinary amount of yogurt to make any difference. Adding yogurt is not a helpful or cost-effective strategy.

You may notice a septic smell in your yard after it rains if groundwater is entering your septic tank and causing it to overflow. If you experience septic odors after rainfall, contact a licensed plumber. They can construct a drain to redirect rainwater away from your septic tank. 

Septic tanks come in multiple shapes, sizes, and materials. However, they’re often round or rectangular in shape and made from concrete, fiberglass, or plastic. There’s a range of septic tank sizes, with the average model measuring 30 to 40 square feet and holding 1,000 to 1,500 gallons of waste.

The Fairfield, MT homeowners’ guide to septic tank services

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

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