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  • Verified reviews icon30
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Top-Rated Septic tank pros in Decherd - Updated Nov 2026

Avatar for Black Water Construction
Black Water Construction
4.9(
16
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Decherd, TN and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

Here at Blackwater Construction and Excavation we specialize in land management projects like excavation, water diversion, clearing, cleaning, and maintaining your property as well as cutting and prepping land for driveways. If you have a job that needs to be done we have a crew ready to make it happen. Don’t let another summer go by with out finishing all your around the house projects! Message us today for a quote!

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+10

Response time1 day
Response rate87%
13 neighbors recently requested a quote
Keiths Tank Service
4.6(
46
)
Septic Tank - Clean or Pump Out

Serving Decherd, TN and surrounding areas

In business since 1993

Free estimates

Credit card accepted

"They came out around 3:30 pm on a Friday and determined that our tank needed to be pumped. Our tank is completely buried and I was afraid they'd leave until I could get someone out to dig, but they arranged for the excavator, waited until he arrived, and didn't charge extra for working after 5pm."
Response time10 hrs
Recommended by100%of homeowners
Avatar for Jeff Dean
Jeff Dean
5.0(
2
)
Septic System - Install or Replace

Serving Decherd, TN and surrounding areas

In business since 2010

Free estimates

"Mr. Jeff Dean and his team were professional and in constant communication with me throughout the whole process. They went above and beyond to provide excellent service and we are extremely pleased with the job. Their attention to detail was evident to ensure proper installation. I would highly recommend hiring Mr. Dean and will use them again if I need any septic work."
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+38

Response time4 hrs
Recommended by100%of homeowners
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 Decherd, TN 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
Williams Septic Service & Repair - Home Facebook
New to Angi
Septic System - Install or Replace

Serving Decherd, TN and surrounding areas

In business since 2014

Free estimates

Emergency services offered

Williams Septic Service is a locally owned and operated full service septic company. For years we have been providing complete service to all of our customers, including Septic Installation, Maintenance, and repair as well as tree root removal. In addition, we also provide septic systime inspections for real estate transactions. Quality work at a fair price is what we offer, with discounts available to seniors and to vererans to thank them for their service. When you need any work with your septic system, contact us, we're ready to help. \n \n50 Mile Radius of Shelbyville

Stewart Landscaping
5.0(
1
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Decherd, TN and surrounding areas

In business since 2016

Free estimates

We specialize in all phases of landscaping, hardscaping, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today! \n\n

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Recommended by100%of homeowners
Septic Tanks FAQs, answered by experts

The purpose of a septic tank is to allow solid wastes to separate out of the wastewater using time, gravity, and other natural biological processes. If your septic tank is too small, it might be overwhelmed by solid waste and unable to accomplish this task—and if it’s far too large, there won’t be enough liquid in the tank to nurture the necessary bacteria to aid in the breakdown process.

Over time, your septic tank can accumulate a buildup of sludge at the bottom of the tank. If left unpumped and uncleaned, the sludge will back up into your pipes and home, causing failure and extensive (and smelly) damage. Repairs to your septic system can be costly, which is why regular maintenance is required. It takes about 30 minutes to pump a septic tank that’s 1,250 gallons or less or 1 hour for larger varieties.

The efficacy of a drain field depends on a wide variety of factors, though a well-maintained one can last as long as 40 or 50 years. Of the different types of septic tanks on the market, concrete and plastic tanks tend to last the longest—upwards of 40 years if they’re pumped regularly—while steel tanks have a tendency to rust over time and may need to be replaced after 15 or 20 years.

Regular checks of pressure tanks, testing water quality, and cleaning intake screens.

Getting well water tested costs $100 to $350 if done by a pro. You can also buy DIY test kits for $20 to $100, but professional tests are more reliable. You can get a comprehensive well inspection, which includes advanced water testing, for $700 to $750, which you should do yearly anyway.

The Decherd, TN homeowners’ guide to septic tank services

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