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Verified Reviews for Well And Pump Service pros in Plains, MT

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

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

Last update on October 26, 2025

Find Well and pump technicians in Plains

Avatar for Post Water Works LLC

Post Water Works LLC

421 US Hwy 93 N
5.00(
3
)
•Approved Pro

Post Water Works LLC

421 US Hwy 93 N
5.00(
3
)
•Approved Pro
Customers say: Quick response
22 years of experience
Free onsite estimate

At Post Water Works, we take pride in our expertise and commitment to providing top-quality solutions for all your water well and pump needs. Our experienced professionals specialize in a wide range of services, from well drilling and pump installation to repair and maintenance. We understand that every customer has unique requirements, which is why we work closely with you to design and install custom water systems tailored to your specific needs. Our team is dedicated to providing personalized support and exceptional customer service throughout the entire process, from the initial consultation to ongoing maintenance and repairs. We believe that our customers deserve the best, as such we use only the highest-quality materials and state-of-the-art equipment to ensure reliable, long-lasting solutions. Whether you need a new well or pump, or simply require repairs or maintenance on your existing system, you can count on us to deliver the best solutions.

"Clint really cares about what he is providing and matches it up with the needs of the client."

Tyler P on April 2023

At Post Water Works, we take pride in our expertise and commitment to providing top-quality solutions for all your water well and pump needs. Our experienced professionals specialize in a wide range of services, from well drilling and pump installation to repair and maintenance. We understand that every customer has unique requirements, which is why we work closely with you to design and install custom water systems tailored to your specific needs. Our team is dedicated to providing personalized support and exceptional customer service throughout the entire process, from the initial consultation to ongoing maintenance and repairs. We believe that our customers deserve the best, as such we use only the highest-quality materials and state-of-the-art equipment to ensure reliable, long-lasting solutions. Whether you need a new well or pump, or simply require repairs or maintenance on your existing system, you can count on us to deliver the best solutions.

"Clint really cares about what he is providing and matches it up with the needs of the client."

Tyler P on April 2023

Avatar for Granite Creek Construction, LLC

Granite Creek Construction, LLC

240 Marten Creek Road
5.00(
3
)
•Approved Pro

Granite Creek Construction, LLC

240 Marten Creek Road
5.00(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

Granite Creek Construction LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Great work"

Derrick O on August 2023

Granite Creek Construction LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Great work"

Derrick O on August 2023

H&M Water Solutions

No reviews yet

H&M Water Solutions

No reviews yet

We are a well pump installation and service company providing services in Sanders, Mineral and Missoula Counties. We also conduct repairs and diagnostic testing on your existing well and pump system to include, electronic testing, pressure tests, water testing and all repairs on your pump and well needed. We additionally specialize in water collection systems if you have a low yield well installing cistern tanks and water flow management to efficiently manage the capacity of your water well. We also offer rain water collection systems, including gutters and filtration tied into catchment tanks. We also provide annual or by need water tank cleaning services.

We are a well pump installation and service company providing services in Sanders, Mineral and Missoula Counties. We also conduct repairs and diagnostic testing on your existing well and pump system to include, electronic testing, pressure tests, water testing and all repairs on your pump and well needed. We additionally specialize in water collection systems if you have a low yield well installing cistern tanks and water flow management to efficiently manage the capacity of your water well. We also offer rain water collection systems, including gutters and filtration tied into catchment tanks. We also provide annual or by need water tank cleaning services.

Z Water Solutions LLC

No reviews yet

Z Water Solutions LLC

No reviews yet

Over 15 years experience cleaning windows. Insured and OSHA safety trained to provide a professional result. International Window Cleaners Association (IWCA) trained in High Rise rope descent use, and Competent Person qualified identifying roof anchors.

Over 15 years experience cleaning windows. Insured and OSHA safety trained to provide a professional result. International Window Cleaners Association (IWCA) trained in High Rise rope descent use, and Competent Person qualified identifying roof anchors.

Avatar for Well Hose

Well Hose

9419 E San Salvador Dr
No reviews yet

Well Hose

9419 E San Salvador Dr
No reviews yet
Free onsite estimate

WellHose DIY Drop Pipe - You can install your own submersible pump.Free installation classes available. www.WellHose.com

WellHose DIY Drop Pipe - You can install your own submersible pump.Free installation classes available. www.WellHose.com

Phil Cook Pump Service

86 Helterline Rd.
No reviews yet

Phil Cook Pump Service

86 Helterline Rd.
No reviews yet
36 years of experience

All phases of pump installation and repair are available, with 24 hour emergency response as necessary. All contact and service is directly thru Phil Cook, owner and operator of this business. Standard charges, discussed up front, apply for all service calls, new construction is by itemized quote. Please contact for additional details. Area of service includes Plains and Paradise in Sanders County.

All phases of pump installation and repair are available, with 24 hour emergency response as necessary. All contact and service is directly thru Phil Cook, owner and operator of this business. Standard charges, discussed up front, apply for all service calls, new construction is by itemized quote. Please contact for additional details. Area of service includes Plains and Paradise in Sanders County.

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Wells and Pumps questions, answered by experts

A leaking well pipe is quite different from if the well itself is leaking. To seal a leaking well, pour a cement mixture or bentonite into the space between the well casing and the borehole wall. The heavier cement collects at the bottom to form a solid seal, pushing lighter materials like mud and fluids up toward the surface. Professional well installation companies have the equipment to do this properly. 

There are several signs that your well pump’s pressure switch isn’t working as it should. For instance, if your pump runs continuously, produces weak water pressure, or doesn’t turn on at all, you may have a bad switch. Also, if your water flow is erratic or unpredictable, it could indicate an issue with your pressure switch.

When testing the pressure of your well tank, the psi should be two below the cut-on pressure. For example, if your tank is set to 40/60, then your pressure should be at 38 psi.

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.

The right psi for your well pressure tank depends on the tank’s pressure settings. For instance, if yours is set to 30/50 psi (which is common), the ideal psi is 2 to 3 psi below the cut-on pressure—in other words, 27 to 28 psi. However, if it’s at a higher setting of 40/60 psi, 38 psi would be the appropriate level.

The Plains, MT homeowners’ guide to well and pump services

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

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