Get matched with top septic tank pros in Walkerville, MT

Q: How deep should a septic drain field be?

• <div><p>The ideal depth of a septic drain field is <b>18 to 36 inches</b> below the surface. The trenches must be deep enough to allow proper wastewater distribution and filtration while remaining shallow enough for oxygen to reach the soil, promoting bacterial activity that helps break down contaminants. In areas with high groundwater or poor drainage, shallower systems like mound drain fields may be required.</p></div>

Q: How do you detect a septic field?

• <div><p>Start by finding the septic tank, marked by an access lid near your home. From there, the drain field extends outward in a series of trenches. Look for greener, lusher grass, as drain fields promote plant growth due to moisture and fertilizer. You can also check property records, use a soil probe to detect damp soil, or hire a septic professional with ground-penetrating radar equipment to map the drain field&rsquo;s location. </p></div>

Q: How do you put a riser on a septic tank?

• <div><p>A septic tank riser features a base ring that you need to install flush to the opening of the septic tank. After thoroughly cleaning the opening of the tank, fit the base ring over the opening and use a butyl sealant rope to create an airtight seal with the tank&rsquo;s rim. Cut the riser rings to the appropriate height and stack them on the base ring. Then, install the riser lid. This task might be taken on by an experienced DIYer, but you should always call a septic tank professional if you are unsure of your skills.</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 deep should a septic tank be buried?

• <div><p>How deep your septic system needs to be into the ground depends on several factors. In extremely cold environments, the tank needs to rest below the maximum frost line, which can be up to six or eight feet deep. The standard burying depth for most systems is between a few inches and four feet below ground level. Depth can also depend on the slope of the landscaping and other property variables. </p></div>

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Verified Reviews for Septic Tank Service pros in Walkerville, MT

*The Angi rating for Septic Tank Service companies in Walkerville, 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 Walkerville, 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 February 24, 2026

Reviewed in February 2026
The work done efficiently and done correctly, done thoroughly. Everything exceptionally cleaned well. Customer Service was awesome!! Highly recommend. Best cleaner I've hired so far!
Kate's Kleaning LLC
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Reviewed in March 2025
Chris and his team were great putting the stairs up for my deck. They were fast and easy to work with.
White Glove Home Improvement LLC
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Reviewed in August 2024
Ted's Asphalt did a terrific job on our driveway last week. The crew was professional and efficient. They worked with us on a few last minute changes. They left our yard clean and with as little impact as possible. We would absolutely use them again.
Ted's Asphalt Repair
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Reviewed in June 2024
Aaron was such a huge help! He was so kind, easy to connect with, and he did such an efficient job. I highly recommend him to anyone looking for any cleanup or garbage removal.
LaSalle Junk Removal
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Reviewed in January 2023
Jameson was very professional, stayed within the quoted amount for the project, and finished the project before expected, while accommodating my busy schedule. He answered all of my questions quickly and thoroughly. The grading turned out great! I will be a returning customer, 10/10 recommend...
Diggers Contracting, LLC
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Reviewed in November 2021
After over a year of searching for a contractor to install seamless gutters, we found 406 Seamless Gutters through Angi's website. Within a couple of days, 406 Seamless Gutters responded by personally calling to set up a time to measure & give us a quote. Nathan told us that it would take 2-3...
406 Seamless Gutters
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Reviewed in October 2021
Very quick and vert nice. Cannot really rate value for money because I donâ t know average cost to fix a clogged pipe.
Dr. Rooter 911
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Reviewed in September 2021
We recommend them they did a super job. Great team Chris and Caleb they worked efficiently, were project-oriented and took away all debris. Thanks again David and crew if need be will contact you in the future.
Alpine Tree Services of MT
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Reviewed in June 2021
They were very efficient and cleans up well when done
Mountain Construction Company MT, LLC
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Reviewed in September 2012
We tried for over a week to get a returned phone call to schedule septic service. Each time we called, we were told to expect a call the following day. It never happened, and left several messages on an answering machine. We tried an alternative number listed in the phone book's advertisement,...
R & M Septic Tank Service
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Find Septic tank pros in Walkerville

K & E Enterprises, Inc.

5.0(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Walkerville, MT and surrounding areas

In business since 2007

Free estimates

Response time2 days

Recommended by100%of homeowners

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

Serving Walkerville, 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

Request Quote

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 Walkerville, 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

Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Walkerville, MT and surrounding areas

In business since 2019

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Response time40 mins

Recommended by66%of homeowners

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

Serving Walkerville, 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.

Response time3 hrs

Recommended by100%of homeowners

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KMD Construction LLC

New to Angi

Septic System - Install or ReplaceSeptic System - Repair

Serving Walkerville, MT and surrounding areas

Free estimates

Emergency services offered

Small jobs welcome

We are an excavation/concrete company we do septic tanks, sidewalks, driveways, landscaping, demolition, and fencing. We are here for all your needs. Give us a call at 406-465-7954 for a free quote

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Freedom Fabrication and Metal Art, LLC

5.0(

)

Septic System - Install or Replace

Serving Walkerville, MT and surrounding areas

In business since 2012

Free estimates

Credit card accepted

Response time2 days

Recommended by100%of homeowners

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Devers Excavation Contracting

New to Angi

Septic System - Install or Replace

Serving Walkerville, MT and surrounding areas

In business since 2024

Free estimates

Offers commercial services

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Get Moore Done McClung

New to Angi

Septic System - Install or Replace

Serving Walkerville, MT and surrounding areas

In business since 2019

Free estimates

Credit card accepted

Over 17 years of experience

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Rocky Mountain Excavation & Grading, LLC

New to Angi

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

Serving Walkerville, MT and surrounding areas

In business since 2018

Free estimates

Emergency services offered

Rocky Mountain Excavation & Grading, LLC 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 time12 hrs

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Showing 1-10 of 11

Septic Tanks questions, answered by experts

The ideal depth of a septic drain field is 18 to 36 inches below the surface. The trenches must be deep enough to allow proper wastewater distribution and filtration while remaining shallow enough for oxygen to reach the soil, promoting bacterial activity that helps break down contaminants. In areas with high groundwater or poor drainage, shallower systems like mound drain fields may be required.

Start by finding the septic tank, marked by an access lid near your home. From there, the drain field extends outward in a series of trenches. Look for greener, lusher grass, as drain fields promote plant growth due to moisture and fertilizer. You can also check property records, use a soil probe to detect damp soil, or hire a septic professional with ground-penetrating radar equipment to map the drain field’s location.

A septic tank riser features a base ring that you need to install flush to the opening of the septic tank. After thoroughly cleaning the opening of the tank, fit the base ring over the opening and use a butyl sealant rope to create an airtight seal with the tank’s rim. Cut the riser rings to the appropriate height and stack them on the base ring. Then, install the riser lid. This task might be taken on by an experienced DIYer, but you should always call a septic tank professional if you are unsure of your skills.

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.

How deep your septic system needs to be into the ground depends on several factors. In extremely cold environments, the tank needs to rest below the maximum frost line, which can be up to six or eight feet deep. The standard burying depth for most systems is between a few inches and four feet below ground level. Depth can also depend on the slope of the landscaping and other property variables.

The Walkerville, 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

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.
Jamie Cattanach
•
Jul 8, 2026Jul 8, 2026
How Deep Is a Septic Tank and Why Is It Buried in the First Place?
How deep is a septic tank, and why is it buried? Learn where to place your own septic system as well as how to maintain it and how much it costs.