Get matched with top septic tank pros in Trego, MT

Q: What determines the location of a septic tank?

• <div><p>According to the <a href="https://www.epa.gov/septic/frequent-questions-septic-systems">Environmental Protection Agency</a> (EPA), septic tanks must be located a decent distance from places subject to flooding or surface ponding. Additionally, septic tanks should be installed on level ground so that the waste can properly settle in the tank. Most tanks are located 10 to 20 feet away from the home. More specific requirements vary by location, so call a local septic pro or your local health department for more information. </p></div>

Q: Are there always two lids on a septic tank?

• <div><p>Modern septic tanks have two lids: one that covers the inlet where wastewater flows into the tank and one that covers the outlet where the treated water flows out to the drain field. However, older septic tanks installed before 1975 may have only one lid. Because <a href="https://www.angi.com/articles/how-long-do-septic-tanks-last.htm">septic tanks last</a> 20 to 40 years, if yours only has one lid, it may be time for a replacement. </p></div>

Q: How do you know when to empty a septic tank?

• <div><p>Most septic tanks need to be emptied every <b>3 to 5 years</b>, but it&rsquo;s a good idea to monitor the fill levels of your septic tank all the time. You can do this by installing a pressure level sensor to detect the internal tank pressure, or by having a septic tank company perform an annual inspection to let you know when you&rsquo;ll need to pump the tank.</p></div>

Q: How do I choose a well pump?

• <div><p>Beyond the type of well pump, there are a few other factors to consider when selecting a well pump. Keep in mind the depth of your well, your average water usage, and the PSI of your water-consuming appliances to determine the appropriate motor horsepower and <a href="https://www.angi.com/articles/what-size-well-pump-do-i-need.htm">size of your well pump</a>.</p></div>

Q: How do you keep roots from growing into a septic tank?

• <div><p>To keep roots from growing into a septic tank. However, there are other steps you can take if existing tree roots are getting close to your septic tank. For one, you can install root barriers, which physically block roots from reaching your septic tank. You can also use chemical solutions in your yard or plumbing system to deter root growth.</p></div>

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Verified Reviews for Septic Tank Service pros in Trego, MT

*The Angi rating for Septic Tank Service companies in Trego, 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 Trego, 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 September 06, 2026

Reviewed in September 2026
Justus and John of Mountain Tree Service did a great job removing the 65 ft high pine tree that was only a few feet from our house without ever touching the house. They were great at communicating with us and came very promptly after we contacted them. When they showed up they got straight to...
Mountain Tree Service
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Reviewed in December 2025
Dynamic Plumbing was quick to respond, personable and provided options to get me the deal I was happy with. I would 100% recommend and hire again!
Dynamic Plumbing LLC
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Reviewed in July 2025
This company is just wonderful. They do great work, are so pleasant and I recommend them very highly.
Rough Debris Removal
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Reviewed in June 2024
Luke's Service & Repair is excellent! Luke is very knowledgeable, professional and prompt. I highly recommend him!!
Luke's Service and Repair LLC
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Reviewed in February 2024
Fantastic service with incredible prices. Willing to go the extra mile to satisfy the customer. Would definitely call them again.
Perform Heating and Cooling
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Reviewed in November 2023
Hired company to tear down and replace wood patio cover. I expected the same style of patio. However, I was surprised when a better, more architectural design was presented, at no extra charge. Lumber was hauled away promptly. Patio installed and neatly painted. Honest people who do a great job....
J&M Home Inspections
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Reviewed in May 2023
They were really nice and did a quality work. They had a reasonable price and were on time. They were respectful of my property.
Handy Homes
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Reviewed in April 2023
Clint really cares about what he is providing and matches it up with the needs of the client.
Post Water Works LLC
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Reviewed in May 2021
They are hard working, personable, professional and great painters. They stand by their work, as they should for their work is amazing!! Our home looks like a million dollars and they are more than fairly priced and the quality is Extrodinair.
Blue Skies Painting
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Reviewed in March 2021
Hiring Patrick for more home repairs as well!
Big Pine Industrial, Inc.
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Find Septic tank pros in Trego

Dynamic Plumbing LLC

5.0(

)

Septic System - Repair

Serving Trego, MT and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

We pride ourselves on professionalism and delivering complete homeowner satisfaction on every job. As a veteran-owned and operated company, we believe in doing the job right the first time and standing behind our work. We never leave a job unfinished or a homeowner less than 100% satisfied with our level of service. Call today to schedule reliable, high-quality plumbing you can trust.

32 neighbors recently requested a quote

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Trego, 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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American Home Shield – Home Warranty

3.5(

5,688

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Trego, MT and surrounding areas

In business since 1971

Credit card accepted

"Takes for ever to get a return a call. Also took a week to get someone out for repairs. They said they would reimburse me for septic repairs and it took over 3 months for that to happen."

Recommended by65%of homeowners

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RKO Excavation

New to Angi

Septic System - Install or Replace

Serving Trego, MT and surrounding areas

In business since 2021

Free estimates

Small jobs welcome

We are a locally owned company based out of Kalispell, Montana. We're dedicated to providing our clients with the very best in service, installation, and repairs. With years of industry experience, we take an enormous amount of pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We can do anything that you need us to do, please reach out today for a free estimate.

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Mountaintop Enterprises, LLC

2.5(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Trego, MT and surrounding areas

In business since 2011

Free estimates

Emergency services offered

We pride ourselves on being the best Excavation company in the area.\n\nWe've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing.\n\nBeing a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

+12

Response time1 day

Recommended by50%of homeowners

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Septic Tanks questions, answered by experts

According to the Environmental Protection Agency (EPA), septic tanks must be located a decent distance from places subject to flooding or surface ponding. Additionally, septic tanks should be installed on level ground so that the waste can properly settle in the tank. Most tanks are located 10 to 20 feet away from the home. More specific requirements vary by location, so call a local septic pro or your local health department for more information.

Modern septic tanks have two lids: one that covers the inlet where wastewater flows into the tank and one that covers the outlet where the treated water flows out to the drain field. However, older septic tanks installed before 1975 may have only one lid. Because septic tanks last 20 to 40 years, if yours only has one lid, it may be time for a replacement.

Most septic tanks need to be emptied every 3 to 5 years, but it’s a good idea to monitor the fill levels of your septic tank all the time. You can do this by installing a pressure level sensor to detect the internal tank pressure, or by having a septic tank company perform an annual inspection to let you know when you’ll need to pump the tank.

Beyond the type of well pump, there are a few other factors to consider when selecting a well pump. Keep in mind the depth of your well, your average water usage, and the PSI of your water-consuming appliances to determine the appropriate motor horsepower and size of your well pump.

To keep roots from growing into a septic tank. However, there are other steps you can take if existing tree roots are getting close to your septic tank. For one, you can install root barriers, which physically block roots from reaching your septic tank. You can also use chemical solutions in your yard or plumbing system to deter root growth.

The Trego, MT homeowners’ guide to septic tank services

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

See all articles

Taylor Freitas
•
Mar 18, 2026Mar 18, 2026
How Much Does Septic Tank Repair Cost? [2026 Data]
A damaged septic system can leak odors and sewage, so repairs are urgent. Find out how much septic tank repair costs based on repair type, tank size, and more.
Melissa Graham
•
Aug 3, 2026Aug 3, 2026
How Much Does It Cost to Locate a Septic Tank? [2026 Data]
If it’s been there for a while, it can be hard to find the septic tank in your yard. Learn how much it costs to locate a septic tank with this guide.
D.P. Taylor
•
Jul 15, 2026Jul 15, 2026
Crank Up Your Understanding of Septic Tank Volume
It’s crucial to install a septic tank with the right volume to avoid wastewater backups. This guide will help you calculate the right septic tank volume.
Jamie Cattanach
•
Jul 10, 2026Jul 10, 2026
What’s the Right Septic Tank Size for Me?
Septic tank sizes vary depending on the size of your home, how many people live there, how much water you use, and more. Read on to learn how to determine the right size for you.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
Are Septic Tanks Bad? Pros and Cons to Consider Before Moving Into a House With a Septic System
If you’ve never lived in a house with a septic system before, you might be wondering: Are septic tanks bad? Here are some of the pros and cons.
Taylor Freitas
•
Jul 9, 2026Jul 9, 2026
How to Build a Small Septic Tank for a Rural Property
Want to learn how to build a septic tank for your rural or off-grid property? First, check your local laws, then dive into these general guidelines.