Choosing and installing the right septic system for your home or business can make a big difference in your property value and quality of life. Choose the Central Mass septic installation experts with over 40 years of experience—Lagasse Companies. We’re a family-owned business committed to cutting edge technology, water conservation, reducing costs and exceptional customer service.

Lagasse Companies will always get you the residential septic tank or the commercial septic tank you need. We also know what size septic tank and materials will work best for your system and how your septic system should be sited, installed and maintained.

Installing the septic tank is just one part of a successful septic installation. The experts at Lagasse Companies understand all the complex elements of your septic system and how to calibrate them for optimal performance and value. From your septic tank drain field to your leach field, we’ll keep your wastewater system working just the way you want.


Lagasse Companies, out of Groton, Mass is the choice for handling your septic  installation and repairs.  From the small home owner, to large commercial projects, we can handle the complete septic work.


From clearing the land, right down to the finished project, we are there to insure everything meets your needs and specifications. Examples of our Septic work is listed here.

Massachusetts has strict laws regarding the design and installation of septic systems. But did you know that a problem with your septic system doesn’t necessarily mean that it needs to be replaced? That’s good news, because a new septic system can be very expensive.

Lots of people don’t realize that many septic system problems can be repaired. And that’s a shame, because, depending on the problem, a septic system REPAIR typically costs only a fraction of the price of a REPLACEMENT

Lagasse Companies provides expert septic system installation and repair service. We have the equipment, materials and experience to do the job, whether it’s simple or complex. We’re quick, courteous and professional.

Our team of experts can provide on site consultation, to advise the best possible recommendation for your project. Our engineering teams will design a Septic System to fit your needs and see the entire project through.   With our equipment and knowledge, we will complete your septic projects from start to finish.

A typical perc test consists of two or more holes dug about 30 to 40 feet apart in the proposed drain field area (see illustration). The holes are typically 6 to 12 inches in diameter and 2 to 3 feet deep, the typical depth of the absorption trenches in a leach field.

Back-ups occurring in an ejector pump tank or sump pump area are usually caused by a failure of the pump to discharge wastewater or water out of the sump basin or pit. There is no power to the pump: Check the circuit breaker for the pump-the alarm.

The distribution box of the septic tank system, is used to evenly distribute the wastewater from the septic system to the dispersal field. Over time, the distribution box can erode, and will need to be replaced. This project is not difficult, but removing and replacing a distribution box is messy and grueling work.

This may result in sewage backup up in the basement of the house or having toilets backed up and slow to drain. If this is happening then the grinder pump needs to be replaced. The riser pump moves the waste from the septic tank into the drain field. If waste is not being carried to the drain field, the riser pump is broken.

The process of sewer excavation will then involve removing all the soil and dirt that lies above the sewer piping which will typically be placed beside the excavation site. Once the sewer is replaced or repaired, it will be covered with the previously excavated dirt and soil.

Back-ups occurring in an ejector pump tank or sump pump area are usually caused by a failure of the pump to discharge wastewater or water out of the sump basin or pit. … Check the circuit breaker for the pump-the alarm.

If you’re facing a complete septic system replacement you’re at the right place. Learn how to deal with this expensive and stressful situation. Contrary to what you may have been told, there is an affordable alternative to replacing your septic system when it fails.

While floods are probably best known for causing extensive water damage to homes and businesses, they can also cause sewage from sanitary sewer lines to back up into houses through drain pipes. These backups not only cause damage that is difficult and expensive to repair, but also create health hazards.

A grease trap (also known as grease interceptor, grease recovery device and grease converter) is a plumbing device (a type of trap) designed to intercept most greases and solids before they enter a wastewater disposal system.