Keep culvert ends clear and document flow during rain/snowmelt.
V17 — specialized system
Culvert, ditch and private entrance
Coordinate road drainage, culvert sizing/location, maintenance, freeze-up and authorization before changing an entrance.
Checked: 2026-08-22
Property along a provincial road or municipal ditch: the authority may set location, width and pipe requirements.
Scour, collapsed culvert, threatened road or watercourse alteration: stop and consult authority/professional.
Useful tools / data
- Photos during rain/snowmelt
- Entrance/ditch/culvert plan
- MTMD/municipal authorization
What the professional checks
- Size flow and pipe
- Check slope, fill and end protection
- Coordinate right-of-way, ditch and environmental constraints
Sources and limits
Rules vary by jurisdiction and scope. Regulated, structural and gas work remains with the required professional.