What size submersible well pump do I need?

• <div>To determine the right size for your submersible well pump, find your well depth, water demand, and well casing diameter. The pump should match your well's specifications and meet or exceed your drawdown and pressure requirements. For precise sizing, make sure to <a href="https://www.angi.com/articles/what-size-well-pump-do-i-need.htm">research the different well pump sizes</a>, consult the manufacturer's recommendations, or seek guidance from a professional well pump installer. </div>

How long does a septic system or tank last?

• <div>A septic system's lifespan typically ranges from 15 to 40 years, with a common average of 20 to 30 years. The longevity heavily depends on the tank's material, maintenance diligence, and usage habits. With proper care, lifespans can reach the upper end of this range.Lifespan by Tank Material:<ul><li>Concrete: 20 to 40 years</li><li>Plastic or Fiberglass: 30 to 40 years</li><li>Steel: 15 to 20 years</li></ul>To maximize your system's lifespan, follow these maintenance best practices:<ul><li>Regular Pumping and Inspections: Have the tank pumped every three to five years and schedule professional inspections regularly.</li><li>Mindful Usage: Only flush human waste and toilet paper. Avoid putting items like cat litter, paper towels, cigarette butts, fats, grease, oils, or coffee grounds down your drains.</li><li>Avoid Chemicals: Do not pour harsh chemicals into the system.</li><li>Water Conservation: Reduce the amount of wastewater your system has to process.</li><li>Protect the Drain Field: Avoid driving or building heavy structures over the drain field area.</li></ul></div>

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Q: What happens if my well pump runs continuously?

• <div>If you notice that your well pump runs continuously, it&rsquo;s important to take action quickly to avoid further damage. A few common issues may be to blame for a continuously running well pump, such as mechanical damage, a faulty pressure control switch, low water level, prime loss, and leaking pipes and fixtures. </div>

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

• <div>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. </div>

Q: Is it better to have 30/50 psi or 40/60 psi for a well pump?

• <div>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&mdash;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.</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.

24 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(

5,689

)

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

If you notice that your well pump runs continuously, it’s important to take action quickly to avoid further damage. A few common issues may be to blame for a continuously running well pump, such as mechanical damage, a faulty pressure control switch, low water level, prime loss, and leaking pipes and fixtures.

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.

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.

To determine the right size for your submersible well pump, find your well depth, water demand, and well casing diameter. The pump should match your well's specifications and meet or exceed your drawdown and pressure requirements.

For precise sizing, make sure to research the different well pump sizes, consult the manufacturer's recommendations, or seek guidance from a professional well pump installer.

A septic system's lifespan typically ranges from 15 to 40 years, with a common average of 20 to 30 years. The longevity heavily depends on the tank's material, maintenance diligence, and usage habits. With proper care, lifespans can reach the upper end of this range.

Lifespan by Tank Material:

Concrete: 20 to 40 years
Plastic or Fiberglass: 30 to 40 years
Steel: 15 to 20 years

To maximize your system's lifespan, follow these maintenance best practices:

Regular Pumping and Inspections: Have the tank pumped every three to five years and schedule professional inspections regularly.
Mindful Usage: Only flush human waste and toilet paper. Avoid putting items like cat litter, paper towels, cigarette butts, fats, grease, oils, or coffee grounds down your drains.
Avoid Chemicals: Do not pour harsh chemicals into the system.
Water Conservation: Reduce the amount of wastewater your system has to process.
Protect the Drain Field: Avoid driving or building heavy structures over the drain field area.

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.

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How Much Does a Concrete Septic Tank Cost? [2026 Data]
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What Is a Septic Tank Riser? The Super Efficient, Easy-Access Gateway to Your Septic Tank
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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.