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

Avatar for Cedar Grove Home Specialists LLC
Cedar Grove Home Specialists LLC
5.0(
4
)
Septic System - Install or Replace

Serving Santee, SC and surrounding areas

Approved

In business since 2005

Free estimates

Offers commercial services

"Del was great. I shared my septic permit and then he discussed options with me based on the project site plan. He gave me insights that I had not considered or even knew existed. The project was done on time, in full, and I had no concerns during the project. I would highly recommend! He was well priced and did great work."
Cottageville 3BR
Cottageville 3BR
Gallery
Gallery
Gallery

+1

5 neighbors recently requested a quote
Avatar for PJs Services
PJs Services
4.7(
3
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Santee, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

Family owned small company, we treat everyone with respect and how we would like to be treated as well. We strive to give the best price possible while still keeping quality as our number one priority. We can do any projects large or small. One day, extending out to month(s) long projects.

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+13

5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Southeast Plumbing & Gas, LLC
Southeast Plumbing & Gas, LLC
4.5(
55
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Santee, SC and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"My family came home Friday night to discover that our septic tank was backing up into our showers. We called every septic tank draining company in the area and we either got voicemail (they were closed), or they didn't come out as far as my house. The earliest I could get someone to commit to was Tuesday (remember, it was a Friday night). I had already called two of the companies Angi recommended. Southeast Plumbing and Gas was the third. Even though septic draining is not normally one of the jobs that this company does, they agreed to come out and save the day for us (in the middle of the night!!). Bryan, the owner, not only drained our tank, but he also repaired and redesigned our septic line for better flow and installed a clean out valve. We are in a better position now than we were when we bought the house!"
Multiple LP Gas Line Installation
Underground natural gas line
Underground natural gas line installation
Septic Systems Service and Usage
Water Filtration & Softeners Project

+85

Recommended by96%of homeowners
Whitten Septic Services
5.0(
2
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Santee, SC and surrounding areas

In business since 2021

Free estimates

Credit card accepted

Septic problem? WE OFFER 24HR SERVICE, no time is too late and we are ready to help you! We are your one-stop shop for everything septic, from septic locating to, inspections, to maintenance, and installations, with everything in between. We are first responder owned and operated with many years experience in the business, and have been serving the areas around Charleston for over 6 years.\nDHEC recommends getting your tanks pumped every 3-5 years! Nathan 843-226-1196 Michelle 843-371-9230. Call today for your free quote. Ask us about our first responder, military and senior discounts.

Recommended by100%of homeowners
Showing 1-10 of 14
Septic Tanks FAQs, answered by experts

A septic system's lifespan typically ranges from 15 to 40 years, with a common average of 20 to 30 years. The longevity heavily depends on the tank's material, maintenance diligence, and usage habits. With proper care, lifespans can reach the upper end of this range.

Lifespan by Tank Material:

  • Concrete: 20 to 40 years

  • Plastic or Fiberglass: 30 to 40 years

  • Steel: 15 to 20 years

To maximize your system's lifespan, follow these maintenance best practices:

  • Regular Pumping and Inspections: Have the tank pumped every three to five years and schedule professional inspections regularly.

  • Mindful Usage: Only flush human waste and toilet paper. Avoid putting items like cat litter, paper towels, cigarette butts, fats, grease, oils, or coffee grounds down your drains.

  • Avoid Chemicals: Do not pour harsh chemicals into the system.

  • Water Conservation: Reduce the amount of wastewater your system has to process.

  • Protect the Drain Field: Avoid driving or building heavy structures over the drain field area.

Although air in your water lines won’t affect the overall quality of your water, it will lead to problems with your well water system if not addressed. Over time, too much air in your water lines can create blockages in your pipes, cause insufficient water flow to your taps and appliances, loosen pipes, and potentially damage important components of your well including your well pump and pressure tank. 

Most septic tanks need to be emptied every 3 to 5 years, but it’s a good idea to monitor the fill levels of your septic tank all the time. You can do this by installing a pressure level sensor to detect the internal tank pressure, or by having a septic tank company perform an annual inspection to let you know when you’ll need to pump the tank.

Modern septic tanks have two lids: one that covers the inlet where wastewater flows into the tank and one that covers the outlet where the treated water flows out to the drain field. However, older septic tanks installed before 1975 may have only one lid. Because septic tanks last 20 to 40 years, if yours only has one lid, it may be time for a replacement.

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.”

The Santee, SC homeowners’ guide to septic tank services

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