The short answer: two deep checks a year, plus a 10-minute monthly walk-through during the watering season. The minimum is the spring and fall pair. Everything beyond that is margin against an early death for the system.
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This is the schedule the Irrigation Association and most major manufacturers (Hunter, Rain Bird, Toro) recommend for a home sprinkler system. Skip the monthly walk-throughs if you must. Do not skip the spring and fall checks.
| Frequency | What you check | Time required |
|---|---|---|
| Spring (once) | Full start-up: pressurize, walk every zone, controller, backflow | 1–2 hours |
| Monthly (in season) | Visual walk-through: heads, spray patterns, dry patches, leaks | 10–15 min |
| Quarterly | Controller schedule, backup battery, rain sensor | 10 min |
| Annually | Certified backflow test (often required by municipality) | 30 min (pro) |
| Fall (once) | Full winterization: blow out lines, drain backflow, controller off | 1–2 hours |
A single broken sprinkler head can waste 12 gallons per minute. Over a summer of unnoticed spray onto your sidewalk, that is hundreds of gallons of water a day, a $40 to $80 spike in your water bill, and a brown patch where the zone is no longer reaching the grass.
The fix takes 15 minutes and costs $5 in parts. The catch costs nothing if you walked every zone with the system running once a month. Set a recurring monthly reminder for the first weekend of the month from May through September, run each zone, and look. That is the whole protocol.
Signs to watch for during the walk are covered in signs your sprinkler system needs a check.
If you are going to set exactly two reminders and call it done, set them for spring start-up and fall winterization. Those two cover the moments when the system is most likely to have failed or to be most at risk of damage. Together they prevent the catastrophic costs (frozen mainline, burst backflow) and surface the small ones (broken head, weak zone) before they become a season of lost lawn.
Everything else, the monthly walk-throughs, the quarterly controller check, the annual backflow test, adds polish. Useful polish. But the two seasonal reminders are the foundation. Get those right and your sprinkler check reminder does most of the work for you.
Two deep checks a year. One in spring as start-up, one in fall as winterization. If you do nothing else, do those two. They cover the moments when the system is most exposed to damage and most likely to have failed since you last looked.
Not strictly, but it pays off. A 10-minute walk-through once a month catches broken heads, clogged nozzles, and dry patches before they kill grass. Replacing a head is $5. Reseeding a dead patch is hours of work and a season of lost lawn.
Optional. If your system is older than 10 years, or if you noticed pressure or coverage issues last fall, a mid-summer professional check is worth it. Otherwise the biannual cadence handles the system fine.
Quarterly, plus after any power outage. The backup battery in most controllers lasts two to four years. A failed battery means the schedule resets after a single outage, and your zones either stop running or run constantly without you noticing.
Pop-up heads last 10 to 15 years on average, but high-use heads near driveways or paths fail faster from lawnmower hits and foot traffic. Replace any head that wobbles, leaks at the base, or fails to retract. A single broken head can waste 12 gallons per minute.
Annually in most jurisdictions. Many municipalities require certified backflow testing once a year, and they will send you a notice. Even where it is not required, test it during the spring start-up. A backflow valve that fails silently sends irrigation water back into your drinking line.
Two recurring email reminders cover 90% of the value: spring start-up and fall winterization. Add a monthly summer walk-through if you want to be thorough. Anything beyond that is engineering for a system that does not need engineering.
Free. No account. Start with spring and fall. Add monthly walk-throughs if you want the full coverage.
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