4.5 
10 *The Angi rating for Septic Tank Service companies in Barnwell, SC 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 Barnwell, SC 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 October 28, 2026
Serving Barnwell, SC and surrounding areas
In business since 2021
Free estimates
Credit card accepted
"Very professional and let me know how to treat my new septic tank and tell me what to watch out for in case we need some new drain lines and when he's going to be late he did call and let me know"
Serving Barnwell, SC 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."
Serving Barnwell, SC 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."
+2
Serving Barnwell, SC and surrounding areas
In business since 1993
Free estimates
References \n1. Chad Montgomery (518) 852-1368
Serving Barnwell, SC and surrounding areas
In business since 1998
Free estimates
Credit card accepted
We take great pride 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. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
Serving Barnwell, SC and surrounding areas
In business since 2015
Free estimates
Credit card accepted
Superior Harndscapes & Excavation LLC is professional Hardscaping and Excavation Services that’s proud to offer our services to clients throughout Barnwell County and the surrounding area. Great service begins and ends with experienced and friendly professionals, which is why we put so much consideration into selecting the best people to join our team. We aim to not only meet your needs, but also exceed your expectations of what a dependable Hardscape and Excavation Service can be.
+16
From average costs to expert advice, get all the answers you need to get your job done.
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.
How deep is a septic tank, and why is it buried? Learn where to place your own septic system as well as how to maintain it and how much it costs.
