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Top-Rated Septic tank pros in Mount Olive - Updated Nov 2026

Avatar for Thigpen Septic Tank Service
Thigpen Septic Tank Service
4.7(
55
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Mount Olive, MS and surrounding areas

Credit card accepted

"Noticed we were starting to have issues with our septic tank. Gave Thigpen a call and set up an appointment for the next day. They were here on time and completed the job quickly. No trying to talk me into any other services I didn't need, no bs, just straight up honest work. Will definitely hire again when the time comes."
Truck
Truck & Jerrys
Truck door & Jerrys
Truck
Additional Photos

+5

Recommended by96%of homeowners
H & P Wells Septic Installation
5.0(
8
)
Septic System - Install or Replace

Serving Mount Olive, MS and surrounding areas

In business since 2019

Free estimates

Credit card accepted

H & P Wells Septic Installation, LLC proudly serves its customers with pride, integrity, and by paying attention to the details that matter most to you. These are a few of the many things that set us apart from the rest. We are locally owned and operated. Please give us a call today!

Response time1 day
Response rate89%
Recommended by100%of homeowners
Wells Septic Installation LLC
4.6(
12
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Mount Olive, MS and surrounding areas

In business since 2017

Free estimates

Credit card accepted

Wells Septic Installation LLC is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \nhttps://www.facebook.com/wellssepticinstallation/

Field Lines
Set Tank
Field Lines
Covered and graded tank
site prep

+9

Response time2 days
Recommended by90%of homeowners
+South Central Septic
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Mount Olive, MS and surrounding areas

In business since 2019

Free estimates

We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customized to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

SJ Smith Septic systems
New to Angi
Septic System - Install or ReplaceSeptic System - Repair

Serving Mount Olive, MS and surrounding areas

In business since 2003

Free estimates

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. \n

Response time2 hrs
Response rate94%
Esquire Restoration Service
New to Angi
Septic System - Install or ReplaceSeptic System - Repair

Serving Mount Olive, MS and surrounding areas

In business since 2021

Free estimates

Credit card accepted

Esquire Restoration Service, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Septic Tanks FAQs, answered by experts

Call a dedicated well and pump professional to install your new well pump. In some cases, plumbers may have the experience needed for the installation, but it’s always better to go with a specialized pro. Well and pump contractors have hundreds of hours of experience with all different types of wells and pumps. 

With so much available information about the ecological effects of cesspools (and their general unpleasantness), it begs the question: Are cesspools legal? In short, sort of. Large-capacity cesspools that serve more than 20 people are completely illegal countrywide. Existing, smaller cesspools are generally allowed as long as they’re not actively polluting. However, new cesspools are illegal to build in all 50 states and Puerto Rico, and many states offer programs to help homeowners with the costs of updating cesspools to modern septic systems.

Start by finding the septic tank, marked by an access lid near your home. From there, the drain field extends outward in a series of trenches. Look for greener, lusher grass, as drain fields promote plant growth due to moisture and fertilizer. You can also check property records, use a soil probe to detect damp soil, or hire a septic professional with ground-penetrating radar equipment to map the drain field’s location.

A septic system inspection costs $100 to $200. Doing so can spot issues early so you can plan for necessary repairs ahead of time and save yourself the issue of a backed-up septic tank. Some septic tank repair professionals do an inspection as part of their yearly maintenance on your septic tank if you choose to pay for that service, but you should shoot to have a septic system inspection completed at least once every two to five years.

The ideal depth of a septic drain field is 18 to 36 inches below the surface. The trenches must be deep enough to allow proper wastewater distribution and filtration while remaining shallow enough for oxygen to reach the soil, promoting bacterial activity that helps break down contaminants. In areas with high groundwater or poor drainage, shallower systems like mound drain fields may be required.

The Mount Olive, MS homeowners’ guide to septic tank services

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