Upper Mission · Hillside & benchland properties
Sprinkler Repair in Upper Mission
If a zone has stopped running, a head is broken, or one part of the lawn never gets enough water, the cause is usually straightforward to identify and inexpensive to fix once someone has looked at it properly.
On hillside lots, most calls that come in as a repair are really a pressure problem. Elevation change within a single zone leaves the highest heads operating well below their design pressure while the lowest ones are over-pressured, and the result — misting at one end, weak rotation at the other — looks exactly like failing hardware.

Commonly requested here
Sprinkler repair work on Upper Mission properties
- Retrofitting pressure-regulating heads across zones that span a grade
- Adding check valves to stop laterals draining out the lowest head
- Correcting runoff by splitting long cycles into shorter ones
- Re-levelling heads shifted by soil movement on slopes
- Replacing heads that mist heavily in wind on exposed upper slopes
Worth knowing
Pressure changes roughly one psi for every 2.3 feet of elevation, so a zone spanning twenty feet of rise sees close to nine psi of variation end to end. Pressure-regulating heads or a regulated valve are usually the fix, not new heads of the same type.
Issues that come up in Upper Mission
- Sustained slope causing runoff before water reaches the root zone
- Erosion on planted slopes where application rate outpaces infiltration
- Turf areas competing with large ornamental beds that have entirely different water needs
Local context
- Upper Mission sits well above Lower Mission on the benchland, and the elevation gain is enough to change both pressure and evapotranspiration.
- Cedar Creek and the surrounding hillsides frame an area where sloped lots are the norm rather than the exception.
- Ornamental and xeriscaped planting is far more common here than on the flat lots below, which shifts the ideal delivery method.
Elevation and exposure mean hotter afternoons, more wind and faster drying than Lower Mission, so identical schedules produce quite different results between the two.
What to expect
Typically part of the job
- Correcting runoff by splitting long cycles into shorter ones
- Adding check valves to stop laterals draining out the lowest head
- Retrofitting pressure-regulating heads across zones that span a grade
- Zone-by-zone operating test with visual inspection
- Written summary of what was found and what it needs
- Head levelling, arc and radius adjustment
Scope varies between contractors. Use this as a baseline when comparing quotes, and ask what is included before agreeing to work.
Questions
Sprinkler repair in Upper Mission
Is a dry patch always a repair problem?
No, and this is the most common misdiagnosis. Persistent dry patches are frequently coverage or uniformity problems — heads not reaching each other, mismatched nozzles applying water at different rates, or pressure too low for the head's design range. Nothing is broken; the system was never delivering water evenly there. The fix is adjustment and nozzle matching rather than replacement.
Can I diagnose a sprinkler problem myself first?
Often yes, and it makes for a better quote. Run each zone one at a time and note exactly what happens: which heads spray, which do not, whether pressure looks low across a whole zone or just at one head, and whether anything runs when it should be off. Including those observations in a quote request lets contractors give you a far more accurate picture.
What do I do if my sprinkler system is leaking?
Shut off the irrigation supply first — usually a dedicated isolation valve near the backflow assembly or where the irrigation branch leaves the main. Kill the controller too so no zone opens automatically. Then look at what is actually wet: water surfacing over a specific line points at a mainline or lateral break, water only during one zone points at a valve or a head on that zone, and continuous slow drip after everything is off is usually a weeping valve. Take note of when it started, which zone was running and whether anything upstream changed recently. Sending those observations with a repair request tightens the quote considerably.
Why are my sprinklers leaking from the top when they are off?
Water dribbling from a head when the zone is off almost always means water is still in the lateral pipe and is draining out the lowest head on the line — a phenomenon called low-head drainage. On any sloped lot it happens whenever a cycle finishes, because the pipe empties toward the lowest point. It is not a broken sprinkler and it is not a mainline leak. The fix is a check-valve head at the low point, or an in-line check valve on the lateral, so water stays in the pipe between cycles. If the drip continues for more than a few minutes or the head keeps discharging hours later, the cause is a weeping valve upstream instead — the diaphragm is not sealing and the zone is being fed continuously at low volume.
Free, no obligation
Ask about efficiency on your Upper Mission property
Tell us what your property needs. We pass the details to an independent irrigation contractor serving your area, and they contact you directly.
Prefer email?
Send the details to quotes@kelownairrigation.ca and we route it to the right contractor.
Email quotes@kelownairrigation.caNearby areas
Sprinkler repair in neighbouring communities.
- Sprinkler repair in Kettle ValleyPlanned hillside community on the Upper Mission bench, with moderate grades and a compact street layout.
- Crawford EstatesEstablished hillside area on the southern Kelowna bench with larger sloped lots and mature planting.
- Sprinkler repair in Lower MissionFlat, low-lying land close to Okanagan Lake with deep soil and a high water table in places.
- Sprinkler repair in South East KelownaRolling agricultural benchland on Kelowna's southeastern edge, rising toward the surrounding hills.
Related services
Often requested alongside sprinkler repair.
- Spring Start-UpRecommissioning your system after winter — pressurising safely, testing every zone and setting the season's schedule.
- Irrigation InstallationDesign and installation of new in-ground irrigation systems, zone expansions and full replacements.
- Drip IrrigationLow-volume systems delivering water at the root zone — the efficient choice for beds, slopes, trees and xeriscaping.
Free quote requests
Ask about efficiency on your Upper Mission property
Tell us what the job involves and we will pass it to an independent irrigation contractor working in your area. Free to request, and you are under no obligation to go ahead.