4.2 
28 *The Angi rating for Septic Tank Service companies in Thompson, CT 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 Thompson, CT 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 December 21, 2025
Serving Thompson, CT and surrounding areas
In business since 2015
Free estimates
Credit card accepted
"Bill and Skye cleaned out my septic tank. Excellent customer service, very professional, timely and very knowledgeable. Totally recommend Flushaway"
+1
Serving Thompson, CT and surrounding areas
In business since 2017
Emergency services offered
Credit card accepted
"Glenn handled our clogged septic tank problem. Problem rectified within a few hours of my call. He was very professional and knowledgeable and we are so satisfied with the service provided!"
Serving Thompson, CT and surrounding areas
In business since 1995
Free estimates
Offers commercial services
"I am only giving them 5 stars because this rating will not allow 10 stars. Wayne and his crew installed a new septic system in our new Warwick, RI home. Everyone was extremely professional and courteous. They answered questions along the way as they worked through the complicated permit process. All of the crew were super personable and responsive. They also helped me move dirt on a landscape project I was working on while they had the heavy equipment. Saved me a lot of shoveling."
Serving Thompson, CT and surrounding areas
In business since 1998
Free estimates
Emergency services offered
"Excellent Customer Service, Outstanding attitude."
+38
Serving Thompson, CT and surrounding areas
In business since 2015
Emergency services offered
Credit card accepted
"I was having a 4 of July Party. I called Flush Away! He called right back and it was a small job. William Chupp dug the hole in my back yard and pumped and?snaked the pipe. And he ?filled up the hole. He left everything nice and clean."
Serving Thompson, CT and surrounding areas
In business since 2008
Free estimates
Offers commercial services
"Paul is extremely knowledgeable about excavation work and more specifically septic systems. I have used Paul on several projects from small tank, repairs to large engineered systems, and each time he delivers a perfect project, within our timeframe and at a reasonable price. I would highly recommend Paul and his team."
Serving Thompson, CT and surrounding areas
In business since 2021
Free estimates
Credit card accepted
"Five stars for 365 Septic! Dylan was prompt, personable, extremely efficient, and very competitively priced. Can’t recommend this company highly enough!"
Serving Thompson, CT and surrounding areas
In business since 2017
Free estimates
Small jobs welcome
"We have been using Septicology for our clients' septic system inspections and certifications for about one year now. Daniel presents a professional demeanor and his detailed reports include complete documentation of testing results including photos of all conditions he is seeing. We are very pleased with Daniel's great services and pricing and will continue using Septicology, LLC."
Serving Thompson, CT and surrounding areas
In business since 2010
Free estimates
Emergency services offered
"Very professional and quick. I have referred them to everyone that inquired to my new garage. Thanks again primo"
Serving Thompson, CT and surrounding areas
In business since 2017
Free estimates
Emergency services offered
"They worked very well and they did an excellent job."
+18
From average costs to expert advice, get all the answers you need to get your job done.
Caring for your septic system is crucial to ensuring its long life. But how much does it cost to pump a septic tank? We explore the different cost factors.
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.
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.
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.
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.
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.
