
Sewer Line Repair & Replacement in Bath, Maine
Camera Inspection First · Spot Repair or Full Replacement · Permits & Street Work Handled
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- Since 2019
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Sewer Line Repair & Replacement for Bath Homeowners

Bath sits in Sagadahoc County, part of the territory Aces Highlands covers out of 508 Riverside St Unit 1 in Portland every week — so a call for sewer line repair & replacement gets a technician who already knows the local housing and codes, not a first-timer.
Sewage backing up through a basement floor drain usually means the main line between your house and the street has failed. Aces Highlands diagnoses with a camera, repairs what is broken, and replaces only when replacement is the honest answer.
The sewer lateral carries everything from your house to the city main or septic tank. In Portland, South Portland, and Westbrook, many laterals are original clay or cast iron from the early 1900s and are nearing end of life.
Tree roots find the joints in clay pipe, cast iron rusts until the bottom of the pipe is gone, and frost heave shifts sections out of line. The result: a line that clogs every few months until it collapses.
We start every sewer call with a camera, not a shovel. Seeing the break, its depth, and distance from the house tells us whether a cleaning, a spot repair, or full replacement is right. We show you the footage.
Sewer work in Portland involves plumbing permits, a licensed plumber for the connection, and a street-opening permit near the main. We handle paperwork, coordinate with the city, and restore your lawn or driveway. Active backups are an emergency call.
Why Bath Calls Aces Highlands
- Based just outside Bath and out on Sagadahoc County calls every day
- Diagnostics come first, upsells do not — the invoice matches the quote
- Most calls get on the schedule the same week you reach out
- Fully licensed, fully insured, with a track record of Google reviews from real jobs
Bath Homes and What They Need
Bath has the oldest housing stock among the Sagadahoc towns Aces serves, with a median build year of 1938 and 57.5 percent of homes dating before 1940 (66.5 percent before 1960). That history traces straight back to the city's shipbuilding boom, and it means downtown and the surrounding historic district carry plenty of original wiring and cast-iron plumbing. Exterior changes in the historic district need Planning Board review under the city's Land Use Code, so a heat pump installation here often starts with figuring out where the outdoor unit can go.
Water Supply and Drains in Bath
The Bath Water District has drawn public water from Nequasset Lake, a watershed mostly in neighboring Woolwich, for more than a hundred years. The city's own Public Works department runs the wastewater treatment plant, discharging to the tidal Kennebec River, and parts of the older collection system are combined sewers that can back up during heavy rain. On Bath's older streets, a drain cleaning call during a big storm is sometimes really a combined-sewer issue rather than a private-line clog.

Getting to Know Bath
Bath was incorporated as a town in 1781 and chartered as a city in 1847, named after Bath, Somerset, England. Since 1743, roughly 5,000 vessels have been built along its Kennebec River waterfront, including the Wyoming, widely considered the largest wooden ship ever built, launched from the Percy & Small Shipyard.
Bath Iron Works, founded in 1884 by Thomas W. Hyde, has built hundreds of Navy vessels and given the city its 'City of Ships' nickname, one that still fits given how much of the local economy still runs through the shipyard. The Abenaki called the river itself 'Sagadahoc,' meaning the mouth of the big river, which is also where Sagadahoc County gets its name.
Local & Independent — Not a Franchise
There is no franchise behind Aces Highlands — just a Portland-based crew that works Bath under its own name. Every technician is paid to solve the problem in front of them, not to hit an upsell quota. We do the work you called us for, do it right, and earn the next call. That is the whole business model.
How Your Drain-Waste-Vent System Works
- Fixture drains — sinks, tubs, and toilets
- Main stack — collects branch lines and vents through the roof
- Vent — keeps trap seals from siphoning dry
- Cleanout — access point for clearing clogs
- Building sewer — carries wastewater to the street main
Homeowner Guide
Sewer Line Repair: Camera Inspections, Roots & Trenchless Options
A failing sewer line is one of the more expensive plumbing problems a homeowner can face, which is exactly why diagnosing it correctly before digging matters as much as the repair itself.
Read the Full GuideMore Residential Plumbing
Sewer Line Repair & Replacement is part of our full residential plumbing lineup. Explore the details or browse everything we offer in Bath.
Sewer Line Repair & Replacement DetailsAll Services in BathService Info
Codes & Permits for Sewer Line Repair & Replacement in Bath
In Bath, plumbing permits come from the Local Plumbing Inspector at the City of Bath Code Enforcement Office (55 Front St., Bath, ME 04530, (207) 443-8330). With 8,815 residents, Bath is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Part of the City's sewer system uses combined sewers that can overflow during heavy rain, prompting ongoing infrastructure upgrades (e.g., the Harward Street sewer/pump station project).
- A Maine-licensed Site Evaluator qualifies through an exam covering the state's plumbing/SSWD rules and soils, and performs the site work (digging test pits, reading soil texture and depth to bedrock) that a septic permit depends on. maine.gov
- The Local Plumbing Inspector who issues internal plumbing permits also enforces the state's Subsurface Wastewater Disposal rules for septic systems in their municipality. mainelegislature.org
- Where a municipal ordinance requires it, the owner of a building that abuts a street containing a sewer must connect that building to the sewer and stop using any other wastewater disposal method. mainelegislature.org
- Every Maine municipality must annually appoint at least one Local Plumbing Inspector (LPI), who does not have to live in that town, to issue plumbing permits and enforce the state's plumbing rules and Subsurface Wastewater Disposal (septic) rules locally. mainelegislature.org
How Aces Highlands Handles Sewer Line Repair & Replacement in Bath
- City of Bath, Division of Storm Water and Sewers (Public Works Department) runs Bath's public sewer, treating it at City-operated Wastewater Treatment Plant (avg. 2 million gallons/day) with 13 pump stations; discharges treated effluent to the Kennebec River; parts of the collection system are combined sewers subject to overflow in heavy rain. The lateral from your foundation to the main is the owner's line, so we scope it before recommending any digging.
- 67% of Bath's homes went up before 1960 — the cast-iron and clay-lateral era, and exactly the kind of line that cracks and lets roots in.
- If a septic system needs replacing, Maine requires a licensed Site Evaluator's HHE-200 design and a town permit before we dig; we handle coordinating both.
The 19th-century commercial downtown of Bath along the Kennebec River, near the city long known for shipbuilding at Bath Iron Works.
Street View © Google
Why homeowners choose Aces Highlands
We show up when we say
We show up on time, as promised, and complete the work with clean professionalism.
Pricing upfront, before work starts
Honest diagnostics and a clear price before any work begins — no surprises on the invoice.
Done right the first time
HVAC, plumbing and electrical done right the first time — backed by our workmanship guarantee and 100% satisfaction guarantee.
Locally owned in Portland, Maine · Serving Greater Portland and Southern Maine since 2019
What Plumbing customers say
Ruth Kirkwood
3 months ago
This company is excellent. They quickly and efficiently repaired the kitchen faucet that was loose.
Nichole A
a year ago
Highly recommend! Cannot thank them enough for fixing my water heater. Elijah is very reliable and communicative. No hassle, no phone tag, transparent with cost and quick to repair the issue. I know who to call if I need help again!
Ryan Eling
3 months ago
This team was called in by my property management company for where I rent. Elijah and his team were professional, clear speaking. Good communicators gave me the real deal. Didn't give any runaround. I trust them and want to use them for my own projects.
Christian van Loenen
4 months ago
Beyond impressed with Elijah and his team. Professional, communicative, and do great work. HIGHLY recommend. Thank you, Elijah!
John Walton
5 months ago
I've had three HVAC issues over the past two years. Each time I call, Elija or the office picks up the phone, and my problem is fixed in 24 hrs. Their solutions always feel correct and honest. I cannot recommend them more.
Adam Ayan
10 months ago
Elijah and Highlands Heating & AC were super helpful! Boiler failed over the weekend and Elijah was very responsive and helpful, getting us up and running right away. I would recommend him at HH&AC highly!
Sewer Line Repair & Replacement FAQs
Who is responsible for the sewer line — me or the city?
In Portland and most Southern Maine towns, the homeowner owns and maintains the lateral from the house all the way to the connection at the city main, including the section under the sidewalk and street. The city is responsible for the main itself. Check your town's sewer ordinance for the exact boundary; we can help you read it.
Does homeowners insurance cover sewer line replacement?
Usually not under a standard policy. Some insurers offer a service-line endorsement for a small annual premium that covers the lateral, and some cover the resulting water damage but not the pipe. Call your agent before the work starts, and ask us for the camera footage — insurers often want it.
How long does a sewer line replacement take?
Most full replacements take one to three days from the first shovel to backfill, plus a day or two beforehand for Dig Safe locates and permits. Spot repairs are often finished in a single day. You will be without drains for part of that time; we tell you exactly when before we start.
Do I need a permit to replace a sewer line in Maine?
Yes. Sewer lateral work requires a plumbing permit and an inspection before backfill, and work in a city street or sidewalk needs a street-opening permit. The connection itself must be made by a licensed Maine plumber. We pull every permit and schedule the inspections.
Can tree roots really break a sewer pipe?
Yes. Roots enter at the joints of clay pipe seeking water, then grow until they crack the pipe or fill it completely. Cutting the roots restores flow for a season or two; the permanent fix is replacing the joint they enter through or the whole run. Maples and willows near the pipe path are the usual culprits.
Is trenchless sewer repair available in Portland?
It depends on the pipe. Cured-in-place lining needs a host pipe that still holds its shape; pipe bursting needs room to pull a new pipe through and access pits at each end. Collapsed sections, bellies, and multiple bends often rule them out. The camera inspection tells us, and we quote both ways when both are possible.
More Services in Bath
Aces Highlands handles HVAC, plumbing, and electrical for Bath homeowners. Here is more of what we do nearby.
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Need Sewer Line Repair & Replacement in Bath?
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