Published and sources reviewed: November 2, 2026. Water crossing a yard does not automatically tell you who owns the problem or which repair is appropriate. First identify where the water appears to start, the route it follows and whether the feature involved is private, municipal, provincial or shared.
1. Start with the apparent source, not the wettest spot
From safe ground, note whether water first appears at a roof downspout, private surface drain, foundation edge, uphill yard, driveway, roadside ditch, street catch basin, culvert or natural watercourse. Photograph the wider route as well as the wet area. A low point may collect water that began somewhere else.
Do not assume a blocked perimeter drain, failed retaining wall or neighbour-caused problem from one observation. Grades, roof runoff, buried connections, groundwater and public drainage can overlap. Identifying the apparent source narrows the next question; it does not establish fault or a final diagnosis.
2. Inside the City of Nanaimo: separate safe surface maintenance from City infrastructure
The City of Nanaimo's stormwater guidance, updated September 15, 2026, asks residents to keep yard waste and gravel out of ditches and to clear leaves or debris from accessible catch basins only when it is safe. Stay out of traffic, moving water and deep ditches.
The City specifically says not to clear culverts yourself. For a full, obstructed or damaged culvert, missing or altered public drainage cover, or another public-infrastructure concern, contact Nanaimo Public Works at 250-758-5222. The City also provides do-it-yourself sand and bags at 2020 Labieux Road for residents responding to pooling or flooding; bring a shovel and ties and check the current City flood-control page before relying on availability.
3. In the RDN: roadside drainage may have a different operator
The Regional District of Nanaimo storm-water page says to contact Mainroad Mid-Island Contracting at 1-877-215-6006 when stormwater enters a property from a public road, or for a full, blocked or overgrown culvert. Do not assume a City department manages a roadside feature outside City boundaries.
Confirm the address, road name and nearest safe landmark before calling. Record whether the concern is a ditch, culvert inlet, culvert outlet, shoulder flow or water crossing the road. Do not enter the roadway, excavate the ditch or alter a culvert while trying to document it.
4. Water from another property or a natural source needs a different response
The RDN says water entering from another private property is a matter between the affected owners and notes that legal advice may be appropriate. A drainage contractor can document visible site conditions and discuss private drainage options, but cannot decide ownership, liability or a property dispute.
For flooding associated with a natural river, stream, spring, high groundwater or high tides, the RDN advises considering property-damage mitigation guidance from a registered professional engineer. Keep people away from unstable banks, moving water and undermined ground. If a retaining wall or slope is moving, or a structure or driveway is affected, seek prompt qualified help rather than digging to find an outlet.
5. Build a useful record before the first call
- Record the date, time and weather at the property rather than relying only on the airport observation.
- Take wide photographs showing the source, route, low point and receiving area from stable ground.
- Note when water first appeared and how long it remained after rain stopped.
- Mark known downspouts, private drains, ditches, culverts and outlets on a simple sketch.
- Gather previous inspection reports, repair records, permits and utility information.
This record helps the public operator or private contractor understand the concern without treating one wet photograph as proof of a failed system.
When a paid private drainage diagnostic fits
A private assessment can help when the source or route is uncertain, water is collecting near the foundation, a buried private connection needs investigation, or excavation and restoration options need to be defined. It does not replace the responsible road authority, a legal boundary decision, an emergency response or engineering where site conditions require it.
Fairytale's residential diagnostic audit is $450, including 1.5 on-site hours; extra time is $150/hour. The pre-purchase inspection is $650. Flush-and-inspect is $950–$1,250, with specialized support when needed. These are paid services; suitability, scope and charges are confirmed before booking.
Start with an inspection plan
Tell Clayton what you have noticed and send property photos. Camera inspections and technical investigations are paid services; suitability, scope and charges are confirmed before booking.
Request a camera inspection