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    Superior Plumbing & Heating
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    Home / St. Thomas / Septic Tank Replacement

    Septic tank replacement services in St. Thomas

    • Expert local company near you
    • We can fix any issue, no matter how complex it is
    • Our plumbers are competent and skilled
    • Fair and affordable prices
    • Extensive warranty on labour and parts

    call us Call us and we’ll come to you (226) 210-3532

    replacing an old septic tank in St. Thomas
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    Why Work with Us for Septic Tank Replacement in St. Thomas

    4000+
    Positive reviews on:
    Superior Plumbing reviews google my business St. Thomas
    4259 reviews
    Superior Plumbing reviews homestars St. Thomas
    345 reviews
    20+
    Years of successful work
    Our licensed plumbers have years of experience dealing with the most complex plumbing issues. We can arrive at any time convenient for you and have fully stocked trucks to provide any repair or installation services you need.
    85
    TRAINED & QUALIFIED PLUMBERS
    You can count on us to handle any job with professionalism. Our team is certified to solve any plumbing problem, using modern repair methods and top-notch tools to achieve the highest quality results.
    We are Local
    We have offices in many Canadian cities to help you as fast as possible.

    Achievements of Superior Plumbing

    Superior Plumbing ang haeting best aword winner 2021 HomeStars
    award best plumbing company 2019 HomeStars
    HomeStars award Superior Plumbing & Heating best of the best winner 2022

    What people are saying about our septic replacement service in St. Thomas?

    homestar review St. Thomas 4.6/5

    Hundreds of verified reviews

    google review St. Thomas
    Theodore L.

    Great job replacing 5 feet of PEX piping and adding a shut-off valve. The work was clean, quick, and done right the first time. Really appreciated the attention to detail and the professional attitude. Would definitely recommend! Thanks George

    Jul 11, 2025
    Rose Rakovalis

    Great experience!

    Dec 9, 2024
    Rushi P

    Leo is great at what he’s doing. He helped us diagnose our issue with sumppump and drain tile. Would recommend 100%

    Dec 8, 2023
    Bote Chan Angel Rafael

    Raz managed to fix a slow drain with a completely non-invasive method. Saved our newly tiled bathroom!

    May 28, 2025
    Cyrill David

    Drain storm inspection was incredibly helpful. Identified blockage quickly. Their tech guy named Tyler arrived on time. Impressed with Superior Plumbing and Heating

    Aug 3, 2025
    Alexandra Alexiou

    Bruce fixed our toilet in a matter of minutes and was very professional and friendly. Would use again! Thank you!

    Jul 6, 2024
    Matthew Beaudoin

    Recently our shower was in desperate need of assistance. The mixing valve was malfunctioning and we were unable to remedy the situation. Enter Superior Plumbing & Heating. Their response to my inspection inquiry online was swift and helpful. The technicians they sent (for both inspection and work) were friendly, knowledgeable, efficient and quick! Brian did a magnificent job! I would highly recommend them for any home need. Superior pricing, superior workers; Superior Plumbing.

    Jun 18, 2025
    Susan Hazell

    Kurtis was very professional, courteous and helpful. He offered some options and outlined the work to be done and costs associated with each option. He cleaned up afterwards and left everything neat and tidy and took away the old materials. I was impressed with how quickly Superior Plumbing responded and received a call ahead of his arrival so I knew who to expect and when. I would highly recommend Kurtis and Superior Plumbing.

    May 12, 2025
    Sarah Manley

    George came within an hour of calling to fix our dishwasher. Friendly and professional. Will definitely use Superior again if I need plumbing assistance.

    Dec 9, 2024
    Cindy Morgan

    Very impressed with the quality of work, very thorough. Great job!

    Apr 28, 2025
    Rebecca Thompson

    Very quick to respond. Plumber (Cedric) was friendly & knowledgeable. Gave good information to address larger issue.

    Feb 19, 2024
    brent casimir

    Great customer service.

    Apr 15, 2024
    Top result in a blink of an eye
    We at Superior Plumbing & Heating adhere to the highest standards set by the industry. Our plumbers are always prepared to handle any plumbing repairs or replacements you may need since they have at least 17 years of expertise.
    Order a specialist now (226) 210-3532
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    septic replacement service St. Thomas

    Septic Tank Replacement in St. Thomas

    Like many other systems, septic systems can cease to function correctly after years of usage. If sewage has backed up into your house or unpleasant smells are evident in your backyard, it’s a sign that your septic system has failed. It is necessary to make a decision about septic system installation or repair in St. Thomas depending on the cause. Let”s take a look at the most commonly encountered issues:

    • Standing water. This means that your septic tank is unable to properly eliminate water, leading to bacterial growth. Contact Superior Plumbing & Heating to schedule a routine inspection and arrange for a new septic installation in St. Thomas.
    • Frequent repairs. Regular maintenance is beneficial, but if repairs are needed frequently, consider replacing the septic tank.
    • Unpleasant odours. Gases can enter your home through sewers, toilets, or drainage fields. If gases return after flushing your septic system, it is likely that your unit has failed and you will need to replace it.
    • Lash and green grass. Green grass is usually a great sign, but it can also be a signal that your soil has been enriched with sewage. It is important to check for leaks.
    • Pipe backups. Consider upgrading the system if you have to pump out septic tanks frequently and sewage flows through the toilet.

    Contact Superior Plumbing & Heating if you are experiencing any of these problems. We will determine the cause of the problem and fix it quickly before it escalates into an inevitable disaster.

    Why and when should you fix the components of the septic tank?

    Superior Plumbing & Heating can solve your problems with the repair or replacement of a tankless septic system, aerobic system or anaerobic system in St. Thomas. Most problems can be solved by simply replacing damaged components:

    Re-installation or repair of the septic line. Backups can result from broken or clogged septic pipes. Fortunately, septic lines can be repaired from the house to the septic tank that collects the wastewater, from the septic tank to the junction box and replacing the septic tank side. We offer a wide range of solutions to any problem.

    Replacement of the septic field. The septic field in your home may need to be replaced due to poor maintenance or damaged components, improper installation, or because the soil has become more compacted for various reasons.

    Repair of a septic tank. A faulty tank can put stress on the rest of your system and cause it to fail. We offer concrete or plastic septic tanks to suit your needs.

    Replacement of junction box. Damage to this part of the equipment is usually caused by wear and tear, improper installation or physical damage. Our septic system contractors in St. Thomas will gladly install the entire junction box in one day.

    Repairing baffles on a septic tank system. The baffles in your septic tank are important components, and if they are damaged, they can cause the system to fail. Both outlet and inlet baffles can be installed by Superior Plumbing & Heating efficiently!

    How long do septic tanks typically last?

    The type of tank can also affect its service life. Septic tanks made of steel begin to rust sooner. They begin to lose their baffles (which leads to clogged drain fields) and then rust on the sides or bottom. If your tank is 15 to 20 years old or more, chances are it’s rusted. Concrete septic tanks have a longer service life, usually over 40 years. However, it also depends on the acidity of the soil around the tank, as well as the quality of the materials used in the construction of the tank. Septic tanks made of plastic and fibreglass are durable. Mechanical damage is the only exception. Regular cleaning of the septic tank will extend its service life significantly, so don”t neglect it!

    What makes Superior Plumbing & Heating Unique?

    Not sure if you should change your septic system? At Superior Plumbing & Heating, you can get in touch with septic tank installers. All of our highly-trained septic field installers in St. Thomas are prepared and have all the necessary tools on their vehicles.

    Our specialists will choose the best type and size of tank for you and provide you with all the necessary parts (in case of repair), so you don’t have to lift a finger. With us, you can enjoy flexible scheduling, a full warranty, a free estimate, and no overcharges. Contact us right now and we will provide you with excellent-quality septic system servicing in St. Thomas!

    Get a plumber now

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    St. Thomas areas served by our septic replacement plumbers

    Our plumbers work throughout St. Thomas, including areas such as:

    • Dalewood
    • Fairview
    • Freeman Lane
    • Harvest Run
    • Lynhurst
    • Miller’s Pond
    • Old Lynhurst
    • Orchard Park South
    • Shaw Valley
    • Aylmer
    • Ingersoll
    • London
    • Stratford
    • Strathroy
    • Tillsonburg
    • Woodstock

    This septic tank replacement service is popular in the following cities besides St. Thomas

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    best hvac repair company in St. Thomas
    Superior Plumbing & Heating
    (226) 210-3532
    (226) 400-6449
    St. Thomas

    28 Princess Ave, St. Thomas, ON N5R 3V4, Canada

    info@superiorplumbing.ca
    hours of operation: Monday - Sunday 12:00 AM -11:59 PM
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