Guide 01 · Ownership

Who owns which pipe on a Queensland property

In Queensland the property owner maintains the sanitary drain from the building's fixtures to the connection point on the water service provider's sewer main, plus all water pipework downstream of the meter. The provider owns the main, the connection branch and the meter. Stormwater stays private until it reaches the lawful point of discharge.

Last reviewed September 2026 · Written by JMP Group, Capalaba QLD

The ownership split, service by service

Service Owner maintains Authority maintains
Sewer Sanitary drain, inspection openings, overflow relief gully, boundary riser up to the connection point Sewer main, manholes and the connection branch within the main
Water All pipework downstream of the meter, including the run from meter to house Water main, service connection up to and including the meter
Stormwater Downpipes, area drains, private pipework and detention storage to the lawful point of discharge Council kerb, street drainage network and inter-allotment lines vested in council
Community title Pipework inside a lot boundary serving that lot alone Body corporate maintains common property pipework serving multiple lots

Arrangements differ between water service providers and between older and newer developments. The property's sewerage service plan and, for community title, the survey plan and community management statement are the documents that decide a specific case.

Finding the connection point

Every sewered property has a documented connection point, and locating it converts a vague argument into a measurable fact.

Sewerage service plans are held by the water service provider and show the main, the connection branch and the position of the property's connection. On older Brisbane and Redlands properties the connection sits close to the boundary, marked by an inspection opening at ground level or a capped riser. Newer estates use a boundary trap or an inspection chamber set into the front setback.

A CCTV inspection measures distance from the access point to the defect, so the footage places the failure either inside the private drain or beyond the connection. That measurement is what a water service provider accepts when deciding whether to attend, and what an insurer needs before assessing a claim.

One warning worth stating plainly: a blockage in the private drain caused by roots from a street tree remains the owner's drain to repair. Ownership of the tree does not transfer ownership of the pipe.

Shared lines, easements and the awkward cases

A drain crossing someone else's land

Older subdivisions frequently drain one lot through the next. Where an easement exists, the benefiting owner maintains the pipe and holds a right of access to repair it. Where no easement was ever registered, repair work needs the neighbour's consent, and the title search is the first step rather than the excavator.

Two houses on one sanitary drain

Duplexes and subdivided blocks sometimes share a single drain to one connection. Both owners rely on the same pipe, so a failure affects both and cost-sharing becomes a negotiation. Separating the drains at the next major repair removes the problem permanently.

Building over or near a sewer main

Constructing within the zone of influence of a main requires the water service provider's consent, and that consent carries conditions on footings, cover and access. Ignoring it delays approval of the building work itself.

Stormwater arriving from uphill

Natural overland flow crossing a property is lawful. Concentrated water directed by a neighbour's new paving, filling or pipework is a different matter, and council's development compliance team is the body that assesses it.

Questions

Who is responsible for a blocked sewer?

The owner, for anything between the fixtures and the connection point. Beyond the connection, the water service provider attends. Footage showing distance and depth determines which applies before money is committed.

Who pays when a water leak is between meter and house?

The property owner. That run of pipe is private, and the water lost through it is billed to the property. Some providers offer a concession on the excess consumption once the leak is repaired and documented.

How do I get the sewerage service plan?

Request it from the water service provider for the address, or ask us to pull it as part of an inspection. The plan shows the main, the connection and any easement affecting the property.

Who maintains pipework in a unit complex?

Pipework serving multiple lots is usually common property held by the body corporate, while pipework serving one lot within its boundary belongs to that owner. The community management statement settles the specific scheme.

Continue

Blocked & collapsed drains

How drains fail and which repair method the footage points to.

Queensland approvals

Which category your drainage work falls into, and who signs it off.

Drainage & sewer services

CCTV inspection, repairs, new drains and manholes.

Settle it with footage

Book a camera inspection and get the location, depth and a written scope.