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Verified Reviews for Septic Tank Service pros in Assumption, IL

*The Angi rating for Septic Tank Service companies in Assumption, IL 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 Assumption, IL 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 June 19, 2025

Top-Rated Septic tank pros in Assumption - Updated Nov 2026

Avatar for McDonagh & Sons Plumbing & Sewer Inc
McDonagh & Sons Plumbing & Sewer Inc
4.1(
69
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Assumption, IL and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Great.  They were there first thing in the morning, explained everything they did and answered all of our questions.  Diagnosed the cause of the problem which another plumber could not do.  Have had no problems since.
"
Recommended by96%of homeowners
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Wolff Trucking & Septics, Inc.
4.8(
5
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Assumption, IL and surrounding areas

In business since 1981

Free estimates

At, Wolff Trucking & Septics, Inc., we pride ourselves on being the best septic company in the area. We have built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. \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 us get started!

Response time10 hrs
Response rate96%
Recommended by100%of homeowners
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Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Assumption, IL 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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Avatar for American Home Shield – Home Warranty
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 Assumption, IL and surrounding areas

In business since 1971

Credit card accepted

"I just pay $75 you never know who's going to come out. They do everything electrical. Just about everything is covered except the septic tank. I had an air conditioner replaced. It went great, all I had to do was pay for the freon. He didn't charge e more than what was needed."
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+2

Recommended by65%of homeowners
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Rigg Excavating And Rural Septic Systems, Inc.
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Assumption, IL and surrounding areas

In business since 1980

Free estimates

Offers commercial services

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.

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Septic Tanks FAQs, answered by experts

A septic system can fail for various reasons, and most commonly, excessive water use or sudden surges in wastewater can overwhelm the system's capacity. Neglecting regular maintenance, like tank pumping and inspections, can also lead to clogs, leaks, and eventual breakdowns. Other issues that lead to failure include age-related wear and tear, root infiltration, improper disposal of non-biodegradable materials or chemicals into the system, unsuitable soil conditions, physical damage, and even environmental factors like flooding or soil erosion.

To prevent septic tank problems, save on repair costs, and keep your home running smoothly, it's essential to perform regular maintenance. Have your septic system inspected by a professional every one to three years, or annually if possible, to spot potential issues before they develop. You should also have your tank pumped every three to five years, or more frequently if recommended by a professional based on your household's usage. Additionally, be mindful of what goes into your system. Avoid flushing items like paper towels, wet wipes, and feminine hygiene products. Do not dispose of other inappropriate substances, and try to avoid excessive water usage at a single time.

A new water well pressure tank costs $300 to $500. If you choose to hire a plumber for the job, expect labor to cost $125 to $200. If the tank is difficult to access, labor will cost more. Diaphragm and bladder well pressure tanks have similar costs. One-compartment well pressure tanks are less costly, but they have a higher chance of waterlogging. Larger pressure tanks cost more and hold more water, but they don’t increase water pressure.

You can cover a septic tank riser with dirt, but it’s not always the best idea. If you have a plastic riser and you bury it, you can easily lose track of it since you won’t be able to find it with a metal detector. Make sure to clearly note where your rise is in your yard so that you’re able to access it easily the next time you or a septic pro needs it. Don’t bury the cover too deep or you could place too much stress on it and make it too difficult to access in the future.

The costs depend on whether you are buying into an existing well or starting from scratch. The average well drilling cost is between $25 and $60 per foot. The average cost to repair a well is between $350 and $1500. If you have a shared agreement and a community association, there will be additional legal and administrative fees. 

The Assumption, IL 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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