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Monoflo Septic Tank Co says it has been in business for 70 years, and its Better Business Bureau profile describes complete septic tank cleaning and repair. A 2024 customer said Monoflo pumped out their septic system every year and left the lawn the way they found it. That 2024 customer also said they took the time to explain how the systems work and showed up on time, as scheduled. A 2024 homeowner said the toilets, washer and shower all stopped working with water coming up, and that Mark came fast and fixed the issue on a weekend. A 2025 customer said Mark serviced their residence along with multiple commercial accounts and answered his phone at all hours. A 2024 customer said just one side of a two-compartment tank was pumped on two visits. That 2024 customer said the company came out and pumped the second vault only after the town's sanitarian wrote a letter to the company. Its Better Business Bureau grade is D-, with two complaints.
I always have a good experience using this company.
Mark is legitimately one of the kindest people I have ever met. He services multiple commercial accounts for me as well as my residence. He answers his phone and has been there for me at all hours of the day and night to ensure all my septic needs are taken care of quickly and accurately. He has given me sound advice on my systems and has always been fair with me on the price. I would recommend Mark and his team to anyone looking for a septic company!
This company is great. We were in a real bind with the septic at our company's warehouse. Monoflo came right out and fixed the problem immediately. Highly recommend this company.
Have used Monoflo for my last two septic pump outs. Being onsite for both of them I observed that they only pumped out one side of my two compartment tank. After the second pump out I did some research and found out that almost all newer septic systems need both compartments pumped out separately. I called the company and inquired why they only pumped out one side. They questioned over the phone how I could know that and when I told them I was there the gentleman became very defensive and said he would convey my concern to the owner. After not hearing back from the owner for a week I called again and didn’t get a response. A few weeks later I made a complaint to the towns Sanitarian who wrote a letter to the company. After they received that letter they promptly came out and finished the job correctly by opening the second vault and pump that out. As a consumer I would be wary of this company.
Mark from Monoflo is the best. We had all the sudden not working all toilets, washer, shower. The water was coming up. Called Monoflo they right away knew that the issue was septic. Mark came so fast, right away he fixed the issue and we didn’t have to leave our place as it was weekend. Thank you very much Mark! We will always use your service, so professional, Local and know how to fix the issue.
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1 change recorded — last scanned Oct 13, 2026.
Drainage pipes installed and yard graded4.7