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Design, Installation, Service and Repair

New London County Septic & Excavation offers residential and commercial septic system design, installation, service and repair to customers throughout New London County, CT. We pride ourselves on our customer service and attention to detail we provide with all septic system services.


Emergency service is available 7 days a week, 24 hours a day when you need us. We are a licensed and insured business and members of the Connecticut Onsite Wastewater Recycling Association. We stand behind every service we provide. Check out the services we provide below and then give us a call at (860) 536-0420.

Serving New London County, CT Since 2013

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Full-Service Septic System Services

Design and Installation

Turn to us for commercial or residential new septic system design and installation. We design new systems, work with existing systems or design and install a turn-key project. Contact us for septic installations in Ledyard, CT today.


Septic System Pumping

The state of Connecticut suggests you have your septic system pumped every 3-5 years. If you need system pumping, we’ll help to find your system and pump it according to state regulations.


Septic Tank Repair Service

We perform an inspection for the repair work or make additional suggestions to fix your septic system issue. Repair services include:


  • Baffle replacement
  • Broken covers
  • Riser installation to grade
  • Replacement of pipes to and from the tank


Septic System Real Estate Inspections and Testing

Rely on us for full septic inspections for real estate transactions for home sellers or buyers. A full written report will be provided and suggestions to ensure proper functionality of the septic system for the sale.


Drain Cleaning

Rely on us for a full range of water-jetting services, including:


  • Clogged gutters
  • Clogged footing drains


We use video cameras to inspect the area to ensure clear lines during the inspection.

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(860) 536-0420

(860) 536-0420

FAQs About Septic Systems

  • What size tank do I have?

    It is generally based on how many bedrooms your house had when the system was installed. A 3-bedroom house will typically have a 1,000-gallon tank (the most common that we encounter), a 4-bedroom house will have a 1,250-gallon tank, and a 5-bedroom house will have a 1,500-gallon tank.

  • Does how many bathrooms my house has affect the size of the septic system?

    No, the size of the septic tank and leach field are based on the number of bedrooms.

  • Do I need to uncover the tank to get it serviced?

    While we do need to have access to the clean-out cover(s), we can provide the service to uncover the tank for a nominal fee.

  • How often should I get my septic tank pumped?

    We get this question a lot. The state health department recommends pumping your tank every 3-5 years. If you have children living at home, you should consider having the tank serviced more often, because your household uses more water, (showers, laundry, dishes, etc).

  • I’ve uncovered my tank and it’s full, I’m concerned with what I should do.

    The septic tank is designed to work at a “full” level; the liquid level should normally be about 8”-12” from the top of the tank.

  • I have no idea where my septic tank is located, how do I find it?

    Most systems installed after 1980 should have an “as-built” drawing on file at your local health department, or town sanitarians office. If an as-built drawing is not on file, we have locating equipment that we can use to help locate the septic tank.

  • I’ve read that some towns and cities are having difficulty with “flushable wipes” clogging sewer lines. Is it okay to use these products if we are on a septic system?

    The short answer is no, these products say they are “flushable” and they are. However, they are NOT biodegradable and remain inside the tank and pipes for years, and can cause all sorts of problems and blockages. They are the most common cause of blocked pipes that we encounter. You should also never flush feminine hygiene products, baby wipes, and/or trash down the toilet.

  • I just had a water softener installed and the installer hooked up the backflush line into the septic system, is this OK?

    No, water softeners should NEVER be discharged to the septic system; they require a separate drainage system, due to the high concentration of chemicals in the discharge water. We install water softener treatment units, if somebody has one hooked into their system.

  • We are on a septic system, is it okay to install a garbage disposal?

    No, a garbage disposal should not be used with a septic system.

New London County Septic & Excavation is a top-shelf operation. Todd and his crew are experienced and caring professionals. All work (septic and excavation) is accurate, sensible and thorough. Complex jobs are their specialty. If you are lucky enough to have Christy on your job, look up and thank the man above. She is the best!

- Michael "Big Mike" Silvia, Google Review

Learn More About New London County Septic & Excavation

Serving the New London County, CT community, New London County Septic & Excavation specializes in septic and drain service, sewer installations, and excavation. Emergency service available 24/7. We stand behind our work. Free estimates. Call today.  

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