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TRUSTED BY DOVER, MA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon79
    Verified septic tank services reviews

Top-Rated Septic tank pros in Dover - Updated Nov 2026

ALL IN ONE DRAIN CLEANING INC
4.1(
111
)
Septic System - RepairSeptic System - Repair - For BusinessSeptic Tank - Clean or Pump Out+1 more

Serving Dover, MA and surrounding areas

Approved

In business since 2009

Credit card accepted

Offers commercial services

All In One Drain Cleaning is your local drain cleaning professional serving homeowners and businesses within and around the Worcester county area. We specialize in hydro jet technology and performance. Please allow us to help you in your time of need and you can rest assured that your plumbing drain problem will be handled by a seasoned professional with over 25 years of professional experience.

Recommended by90%of homeowners
Avatar for Drain Brains LLC
Drain Brains LLC
5.0(
13
)
Septic System - Repair

Serving Dover, MA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Andrew did a great job fixed my upstairs toilet, had other plumbers try to figure out why the toilet wouldn't drain, Andrew used a camera in the main drain and found the problem. Awesome job, we are all set with the toilet and he checked the whole house for any other issues. We will use Andrew in the future, we highly recommend his services."
Sumpump
Drain clogs
Drain clogs
Drain clogs
Drain clogs

+49

24 neighbors recently requested a quote
Avatar for Schofield Environmental
Schofield Environmental
4.2(
9
)
Septic System - Install or Replace

Serving Dover, MA and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

"By Andrew v. Engineer Dave Schofield of Capstone displayed professionalism by turning a flawed design for our Sudbury septic system into one highly adaptive and functional. He was purposeful about doing the right thing even when not winning installation contract, execution of which he in in fact supervised. In a business which includes its share of uneven performers, Schofield’s competence is a stand-out."
Response time4 hrs
Response rate100%
Recommended by55%of homeowners
Avatar for Nicholson Heating, Cooling, Plumbing & Electrical
Nicholson Heating, Cooling, Plumbing & Electrical
4.0(
2
)
Septic System - Install or ReplaceSeptic System - RepairSeptic Tank - Clean or Pump Out

Serving Dover, MA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"After a phone call with a representative that called me and discussion of the work I was looking for, and mentioning a number of times the work involved a site visit was scheduled. When the service person came to do an onsite evaluation, I was told: 'we don't do oil tank removals and installs.' Representative was obviously not trained for what I had requested during our phone conversation and that Nicholson Heating, Cooling, Plumbing and Electrical didn't do this service or wasn't informed of it during training."
Nicholson Tech and homeowner near water heater
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for GEM Plumbing & Heating
GEM Plumbing & Heating
5.0(
1
)
Septic System - Repair

Serving Dover, MA and surrounding areas

Approved

In business since 1949

Free estimates

Emergency services offered

With over 75 years of experience, GEM provides reliable plumbing services for homeowners in Raynham, MA and nearby areas like Taunton, Bridgewater, and Easton. Our licensed plumbers handle everything from leak repairs and drain cleaning to water heaters, fixture installations, and fast emergency plumbing response.\n\nWhether you're dealing with a burst pipe or clogged drain, we respond quickly with dependable solutions to keep your home running smoothly—day or night.

New Thermostat
After
Before
During Removal
During Removal

+16

Avatar for Peter Zereski Plumbing & Heating
Peter Zereski Plumbing & Heating
4.8(
64
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Dover, MA and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"Peter was incredibly responsive.  He responded to my initial email within a couple of hours. I received quotes from 2 other plumbers for the work and all were about the same price but Peter was by far the most responsive and professional.  He gave me a 1-hour window from 11-12 and showed up right at 11:30.  He took the time to answer any questions I had about the permit / inspection process and operation / maintenance of the new water heater.  He will definitely be my go-to for any plumbing needs in the future.
"
Recommended by98%of homeowners
Avatar for Provost Plumbing
Provost Plumbing
4.6(
155
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Dover, MA and surrounding areas

In business since 1960

Free estimates

Emergency services offered

"This story begins long before we bought our dream condo, when some fool decided that an ejector pump system would be the best way to deal with our below-grade kitchen. Our troubles began once we moved in -- 3 years ago-- and began cooking regularly, the way one does when trying to eat well and not go out all the time. The pump backed up constantly, flooding the hallway and leading to amazing fungus sprouting from the wall. We called many different plumbers, most who refused to help, given the strangeness of our set-up (these pumps are almost never used in a kitchen, but typically for bathrooms or septic systems). We had some plumbers come out who I will politely avoid naming, who charged us for work that didn't do any good... eventually we got to the point where we could not use the kitchen sink or dishwasher without first checking the pump, as at any time it might unpredictably overflow. This went on and on, but then Provost came to our rescue! Although it took us a few tries to coordinate a time, we finally met Russ, who sweated through FIVE HOURS of intense labor, discovering and repairing the poor workmanship of at least 2 previous plumbers, successfully re-installing an alarm system, and providing us with an enyzme cleaning system to use as well. He insisted on closing the cabinet on the whole thing, which we did with trepidation, as we had gotten used to not trusting the pump. "You really shouldn't have to touch it again," he told us. "But call me if you have any problems!" It has been 3 weeks and we have yet to call, which feels about as close to a home-ownership miracle as we can get. I will sing the praises of these guys across Boston."
Recommended by90%of homeowners
Avatar for S&G Excavating
S&G Excavating
5.0(
6
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Dover, MA and surrounding areas

In business since 2020

Free estimates

"Very knowledgeable and friendly. Most importantly, I didnâ t feel as though I was being pressured into repairs or services I didnâ t need. If your looking for an honest company I recommend having S&G look at any septic problems orTitle V you may need."
Distribution Box Repair
Distribution Box Repair
Distribution Box Repair
Distribution Box Repair
Distribution Box Repair

+9

Recommended by100%of homeowners
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Septic Tanks FAQs, answered by experts

Trenches are typically 12 to 24 inches deep and 8 inches wide. However, the required depth depends on the specific project and local ordinances. For example, a French drain may need to be 18 inches deep, while a water pipe might require a depth of 24 inches and a drainage pipe 36 inches. Your city or county may have specific regulations, so it's wise to consult with an excavation professional to determine the correct depth for your project.

While you can drain water softener backwash into a septic tank, doing so may cause several problems. One problem is that increased sodium chloride levels from water softener backwash can kill septic tank bacteria, decreasing the effectiveness of this wastewater treatment system. Another issue is that large calcium deposits can eventually stop up the drain field and lead to poor drainage. 

The size of your septic tank plays a role in determining the proper size of the drain or leach field. As a general rule, you should have 1 square foot of drain field size per gallon of septic tank capacity. However, you could install a leach field that’s as much as 2.5 square feet per gallon of septic tank capacity. Most professionals determine the right septic tank size and drain field size by the number of bedrooms in the house. A three-bedroom house needs a minimum 1,000-gallon septic tank, for example.

Most home wells start at 100 feet, and many go as deep as 200 or 300 feet. 

It takes quite a lot of water to meet the demands of showers, toilets, faucets, and appliances like dishwashers and laundry machines, and shallow wells struggle to provide this amount quickly. If you anticipate having high water usage in the future, it’s often better to drill slightly deeper and give yourself a bit more water storage than you need.

Most homeowners know there’s a septic system problem when they can smell one. However, this isn’t exactly a scientific deduction method. Consider some of the other signs: standing water or constantly damp earth in the drainage area, toilets and sinks that won’t drain or frequently back up, and loud plumbing. You really need to be on top of routine maintenance with septic systems in order to avoid such unpleasant symptoms of a septic issue. 

The Dover, MA homeowners’ guide to septic tank services

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