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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon43
    Verified septic tank services reviews

Find Septic tank pros in Post Falls

Avatar for Morning Star Excavating, LLC

Morning Star Excavating, LLC

5.00(
13
)
Approved Pro

Morning Star Excavating, LLC

5.00(
13
)
Approved Pro
Customers say: Quick response
2023 years of experience
Free onsite estimate

Morning Star Excavating, 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.

"Morning Star Excavating/Camerone and staff are top notch. Very professional and with a good quote which was what it was at the end. He went out of his way to make sure all was completed to our liking for what we needed and also looking forward to future projects making it easier to pick that up at a later date. Always has ideas on how to make it better and stays with the job until completed. Can't say enough good things about his work ethic and quality. "

Steve G on October 2025

Morning Star Excavating, 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.

"Morning Star Excavating/Camerone and staff are top notch. Very professional and with a good quote which was what it was at the end. He went out of his way to make sure all was completed to our liking for what we needed and also looking forward to future projects making it easier to pick that up at a later date. Always has ideas on how to make it better and stays with the job until completed. Can't say enough good things about his work ethic and quality. "

Steve G on October 2025


Evergreen Sanitation Inc

4.35(
103
)
Approved Pro

Evergreen Sanitation Inc

4.35(
103
)
Approved Pro
Customers say: Super punctual
1957 years of experience
Free onsite estimate

Evergreen Sanitation does it all. We specialize in all aspects of onsite systems. We also provide grease trap pumping for restaurants (800) 433-1678. Renton Septic Inspections, AAA Septic Service, A Septic Pumper, Coastal Environment, East Hill Septic Service, Eastside Septic Service, Enumclaw Septic Service, Frontier Septic Service, Greenhaus Portable Restrooms, Issaquah Septic Service, J J Jackson Septic Service, Long Septic Service, Lyon Septic Service, Maple valley Septic Service, Sani-Mart Septic Service, Sky Valley Septic Service, Tandem Service Corporation Inc, Vans Septic Service. Additional phone numbers - (206) 362-6998, (206) 362-6998, (206) 622-7070, (253) 630-5262, (253) 852-0550, (360) 336-2009. Additional DBAs - Additionl DBAs - A A A Septic Service, A Septic Pumper, Coastal Environment East Hill Septic Service, Eastside Septic Service, Enumclaw Septic Service & Frontier Septic Service. See BBB for additional phone nubers and DBAs.

"Great. It was not an easy job but they went the extra mile to get it done. Thanks."

Rick W on May 2021

Evergreen Sanitation does it all. We specialize in all aspects of onsite systems. We also provide grease trap pumping for restaurants (800) 433-1678. Renton Septic Inspections, AAA Septic Service, A Septic Pumper, Coastal Environment, East Hill Septic Service, Eastside Septic Service, Enumclaw Septic Service, Frontier Septic Service, Greenhaus Portable Restrooms, Issaquah Septic Service, J J Jackson Septic Service, Long Septic Service, Lyon Septic Service, Maple valley Septic Service, Sani-Mart Septic Service, Sky Valley Septic Service, Tandem Service Corporation Inc, Vans Septic Service. Additional phone numbers - (206) 362-6998, (206) 362-6998, (206) 622-7070, (253) 630-5262, (253) 852-0550, (360) 336-2009. Additional DBAs - Additionl DBAs - A A A Septic Service, A Septic Pumper, Coastal Environment East Hill Septic Service, Eastside Septic Service, Enumclaw Septic Service & Frontier Septic Service. See BBB for additional phone nubers and DBAs.

"Great. It was not an easy job but they went the extra mile to get it done. Thanks."

Rick W on May 2021


Avatar for Duncan Construction & Development LLC

Duncan Construction & Development LLC

4.94(
8
)
Approved Pro

Duncan Construction & Development LLC

4.94(
8
)
Approved Pro
Customers say: Terrific value
1990 years of experience
Free onsite estimate

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!

"Chris Duncan construction was very helpful and setting up my demolition. Chris and his partner got the job done right. Honest hard-working team."

Rick D on March 2024

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!

"Chris Duncan construction was very helpful and setting up my demolition. Chris and his partner got the job done right. Honest hard-working team."

Rick D on March 2024


Avatar for Rocky Mountain Excavation & Concrete, LLC

Rocky Mountain Excavation & Concrete, LLC

5.00(
6
)
Approved Pro

Rocky Mountain Excavation & Concrete, LLC

5.00(
6
)
Approved Pro
Customers say: Quality work
2021 years of experience
Free onsite estimate

Rocky Mountain Excavation is the premier excavation company of the Kootenai area. With more than a decade of experience working on all kinds of grading and septic projects. We are unrivaled in our commitment to customer service and will always offer the most competitive pricing. Give Rocky Mountain Excavation a call today and get the best work for you done!

"They were fast and efficient, on time, dug our home foundation and did the concrete work for the foundation, also had them pour a patio around our fire pit. It looks so nice, we highly recommend them."

Kimberly S on June 2024

Rocky Mountain Excavation is the premier excavation company of the Kootenai area. With more than a decade of experience working on all kinds of grading and septic projects. We are unrivaled in our commitment to customer service and will always offer the most competitive pricing. Give Rocky Mountain Excavation a call today and get the best work for you done!

"They were fast and efficient, on time, dug our home foundation and did the concrete work for the foundation, also had them pour a patio around our fire pit. It looks so nice, we highly recommend them."

Kimberly S on June 2024


Avatar for Inland Northwest Contracting, LLC

Inland Northwest Contracting, LLC

5.00(
4
)
Approved Pro

Inland Northwest Contracting, LLC

5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2021 years of experience

We take great pride in 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. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Matt was awesome to work with. Called me within two minutes of using Angi's list. Very professional and came out the following day to do an estimate. Now that the project has been completed, my two French Bulldogs are in heaven on their new lawn! Highly recommend Inland!!!"

Robert A on May 2023

We take great pride in 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. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Matt was awesome to work with. Called me within two minutes of using Angi's list. Very professional and came out the following day to do an estimate. Now that the project has been completed, my two French Bulldogs are in heaven on their new lawn! Highly recommend Inland!!!"

Robert A on May 2023


Avatar for Northern Water And Power

Northern Water And Power

4.50(
8
)
Approved Pro

Northern Water And Power

4.50(
8
)
Approved Pro
Super Service Award
Customers say: Quick response
2022 years of experience
Free onsite estimate

Northern Water and Power provides Well Services and more. We are 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.

"I don?t know that I would trust these guys. I received a quote to replace my pump. Agreed to do everything they suggested. The day they did the work, everything went smoothly. Unfortunately the outcome wasn?t what I was hoping for - increased water production on a poor production well, but that?s not their fault. Here?s where you shouldn?t trust them. Right as the job was finished, a fourth guy showed up. He sorta fumbled around and did nothing, apparently he was their solar guy. When they were ?finished? two of the workers demanded payment, one of which was pretty rude about it. It felt odd considering the job wasn?t completed, they were supposed to come back the next day and install a bracket to support the water line. They left all my old well pump, pipe, and wires which is what I wanted. They took the pump controller that was less than a year old. Then I get the bill and it?s $600 more than I agreed to with no explanation, other than the fumbling solar guy said it took 4 guys. "

Robert n on April 2025

Northern Water and Power provides Well Services and more. We are 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.

"I don?t know that I would trust these guys. I received a quote to replace my pump. Agreed to do everything they suggested. The day they did the work, everything went smoothly. Unfortunately the outcome wasn?t what I was hoping for - increased water production on a poor production well, but that?s not their fault. Here?s where you shouldn?t trust them. Right as the job was finished, a fourth guy showed up. He sorta fumbled around and did nothing, apparently he was their solar guy. When they were ?finished? two of the workers demanded payment, one of which was pretty rude about it. It felt odd considering the job wasn?t completed, they were supposed to come back the next day and install a bracket to support the water line. They left all my old well pump, pipe, and wires which is what I wanted. They took the pump controller that was less than a year old. Then I get the bill and it?s $600 more than I agreed to with no explanation, other than the fumbling solar guy said it took 4 guys. "

Robert n on April 2025


Avatar for Inovate, LLC

Inovate, LLC

4.67(
6
)
Approved Pro

Inovate, LLC

4.67(
6
)
Approved Pro
Customers say: Quick response
2022 years of experience
Free onsite estimate

Inovate 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.

"Dustin did a great job installing our septic! Always got back to us right away and answered any questions we had. Would highly recommend using him!! "

lexi _ on October 2025

Inovate 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.

"Dustin did a great job installing our septic! Always got back to us right away and answered any questions we had. Would highly recommend using him!! "

lexi _ on October 2025


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


"Very good job and price. I would like to particularly thank Josh White who did an excellent job and went out of his way to fund $195 for a service that I later decided was not necessary (which I had already paid for but had not received). Thanks a lot Josh!!!!"

Arthur D on August 2018

Family owned.

"Very good job and price. I would like to particularly thank Josh White who did an excellent job and went out of his way to fund $195 for a service that I later decided was not necessary (which I had already paid for but had not received). Thanks a lot Josh!!!!"

Arthur D on August 2018


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Septic Tanks questions, answered by experts

Septic tanks last an average of around 30 years, depending on the type of tank system on your property. With proper maintenance, a concrete septic tank could last around 40 years, a plastic tank should last about 30 years, a fiberglass tank will last 25 to 30 years, and a steel tank lasts between 15 and 20 years. Ongoing pumping, maintenance, and septic tank inspections are the best things you can do to extend the life of your septic tank and identify potential issues as early as possible.

There are a lot of issues that can cause a septic tank to collapse. Those include failing to regularly pump or service it every three to five years, placing too much weight atop the system—by parking your car on top of it or because of a heavy snow buildup for instance—or because of structural damage done by overgrown tree roots.

A septic alarm can sound different depending on your system, but often, it’s a loud, repetitive beeping noise or a steady, high-pitched noise. It may also be a loud buzzing noise. To confirm the noise is your septic alarm, check your alarm box for a red light. You can also silence your alarm with a red button or switch on the box. Look for something that says “Test” or “Mute.”

A septic tank lid is often 1 foot underground, but it could be just 4 inches from the surface or 4 feet deep. For septic tank lids that are closer to the surface, you’ll have an easier time locating them just by looking for signs in the yard or using a metal probe. But for septic tanks that are buried deeper underground, you’ll need to hire a pro with specialized equipment to track down the lid without risk of damaging utility lines.

There is no standard depth, but typically, septic tanks are buried between 4 inches and 4 feet underneath the earth’s surface. There are a few factors that will determine your tank’s depth, including the height of your bedrock, the distance between your home and the tank, and the depth of your main sewer line.

The Post Falls, ID homeowners’ guide to septic tank services

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