Map zones, plants and watering points; repair visible leaks.
V17 — specialized system
Irrigation, watering and backflow protection
Size zones, pressure, flow, freeze protection and potable-water protection before burying a system.
Checked: 2026-08-22
An irrigation system connected to potable water creates a cross-connection risk and needs appropriate protection.
Backflow-device modification, potable connection or complex buried installation requires the appropriate professional under local rules.
Useful tools / data
- Flow/pressure measurement
- Zone/pipe plan
- Backflow-device record
What the professional checks
- Size zone hydraulics
- Select applicable CSA backflow protection
- Plan winterization and drainage
Sources and limits
Rules vary by jurisdiction and scope. Regulated, structural and gas work remains with the required professional.
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Start from a symptomOrganize plausible causes, observations, urgency and the right professional.Open →Track water useCompare meter readings and flag unusual changes.Open →Review water resilienceConnect flooding, drainage and future events to building adaptations.Open →Score home resiliencePrioritize water, outages, fire, climate, health and records.Open →Plan site, drainage and utilitiesCoordinate access, water, sewer, wells, septic, grading and site constraints.Open →
V16
Advanced diagnostics to cross-check
V16 connects water, soil, climate, safety, materials and seasonal use to existing projects.
V27
Project risks and overlooked interfaces
V27 connects payment, water, envelope, ventilation and jobsite details that often create costly surprises.
V28
Finish and service details to verify
V28 connects small details that become costly once finishes are closed.