The water’s off, the lawn looks tired, and somebody on your street already has a compressor rattling in the driveway. You’re wondering if you missed the window.
Probably not. But 2026 isn’t a normal year. Governor Spencer J. Cox declared a statewide drought emergency on May 21, 2026, according to the Utah Division of Water Resources, and some Davis and Weber County systems shut off September 15, about a month before Weber Basin’s typical mid-October end.
Short answer: Check your secondary water provider’s 2026 shutoff date. If it has passed, blow out your sprinklers now, before the first hard freeze. Many Wasatch Front systems already shut off (Layton on September 15, Roy on October 1), and South Jordan’s tentative date was October 15.
When should you blow out your sprinklers in Utah?
Blow out as soon as your secondary water shuts off, and before the first hard freeze. If your provider’s date has already passed, that means this week.
In a typical year, Weber Basin Water Conservancy District says on its secondary water page that water is no longer delivered “starting around October 15th,” with dates “subject to available water supplies.” This year, plenty of providers didn’t make it that far.
Our take: don’t wait for the first freeze warning. Once your water is off, waiting only gives a cold night a shot at the water still in your lines.
When does secondary water shut off in Utah in 2026?
It depends on your provider. The 2026 dates we could confirm on official pages run from September 15 to a tentative October 15, checked October 28, 2026.
| Water provider | 2026 shutoff date | Source |
|---|---|---|
| Layton City (secondary) | September 15, 2026 | Layton City Water Resources |
| Davis and Weber Counties Canal Company | Shut down Sept. 15 (reported by the state) | Utah Division of Water Resources, Sept. 17, 2026 |
| Roy Water Conservancy District | October 1, or sooner if use exceeded supply | Roy Water drought restrictions |
| South Jordan (secondary) | October 15, 2026 (tentative) | South Jordan Secondary Water |
| Everyone else (Weber Basin, Bountiful, Kaysville, Provo, Orem and more) | Check your provider | Your water bill or city utility page |
Weber Basin’s own page lists a typical October 15 end but no 2026 date, and a few providers’ pages are undated, so call if you can’t find a notice.
Why are so many Utah systems shutting off early this year?
Drought. Utah went into the 2026 irrigation season with record-low snowpack, and secondary systems ran out of stored water sooner.
Roy Water Conservancy District cut its 2026 secondary supply by 20%, citing the lowest snowpack on record in Utah as of April 1. On September 17, 2026, the Utah Division of Water Resources reported statewide reservoir storage at 50% (excluding Lake Powell and Flaming Gorge), which it called 9% lower than normal for that time of year. Its director, Joel Williams, put it plainly: “Irrigation timers should be adjusted down or turned off.”
Can you wait until the first freeze warning?
You can, but it’s a bad bet. The average first fall freeze in the National Weather Service’s Salt Lake City climate book is October 20, and the earliest on record there was September 13, 1928.
That’s one station’s average. Higher, colder spots can freeze sooner, and a freeze warning is the day every sprinkler company’s phone lights up.
The backflow preventer usually sits above ground, which leaves it the most exposed part of the system on a cold night.
How do you blow out a sprinkler system, step by step?
Shut off the water, release the pressure, clear the lines with air, then drain the backflow device. Steps 1 to 4 follow Utah State University Extension’s irrigation maintenance fact sheet (July 2021); steps 5 and 6 follow Salt Lake City’s backflow winterizing guide.
- Turn off water at your main valve. Leave the provider’s valve alone; Weber Basin says not to touch district-owned valves.
- Set the controller to “off.”
- Open each zone valve to release pressure, and open any drain valves your system has.
- If you don’t have drain valves, use an air compressor to force the remaining water out of the lines.
- Before the compressor goes on, close the backflow preventer’s ball valves and connect the air downstream of it, so high-pressure air can’t damage the device.
- Afterward, drain the backflow preventer by opening the test cocks, and turn the shut-off valves on both sides to a 45 degree angle so water can’t get trapped and freeze.
- Save the date, the receipt and a photo. You’ll want them later.
Why is too much air pressure risky in a sprinkler blowout?
Too much air pressure can crack fittings, valves and sprinkler heads, the same parts you’re trying to protect from ice. Every system has a pressure rating, and it’s set by its weakest component.
This is where DIY goes wrong. If your system has pipe and parts added over the years, a big compressor won’t know the difference. If you don’t know your system’s pressure rating, hire a licensed irrigation contractor or ask your water provider who they recommend. Salt Lake City’s guide makes the same call for the blowout method, recommending “a qualified licensed contractor.” And wear eye protection; compressed air throws debris.
Should you blow out your sprinklers yourself or hire a pro?
Hire a pro if your system has no drain valves and you don’t own a regulated compressor. USU Extension says that “if pressurized air is required, you may wish to have your irrigation system blown out by an irrigation professional,” and points homeowners to certified irrigation pros through the QWEL program.
DIY makes sense if you know your pipe type and own a compressor with a working regulator. Hiring out? Get two or three quotes and a written receipt.
What happens if you don’t blow out your sprinklers?
Water left in the lines freezes, expands and cracks whatever’s weakest. Eagle Mountain’s September 23, 2026 winter prep notice puts it simply: water left in irrigation lines and parts “can freeze and expand, which may cause damage.”
The usual casualties are the backflow preventer, valve bodies, poly lines and heads. You won’t see it until spring startup, when a zone floods the park strip. Roy Water’s 2026 rules require leaking lines and broken heads to be repaired, so a freeze crack becomes a spring bill either way.
What should you do with your backflow preventer?
Protect it from the air, then drain it. Salt Lake City’s backflow winterizing guide says to close the backflow’s ball valves before connecting a compressor, because high-pressure air can damage the device, then drain it “by opening the test cocks” and turn the shut-off valves on both sides to a 45 degree angle.
Not every Utah secondary connection has a testable backflow assembly. Not sure what’s on your line? Ask your city’s water department or a licensed irrigation contractor before you touch it.
Do HOA rules affect sprinkler winterizing in Utah?
Often, yes. In many Utah townhome and condo communities, the HOA owns and winterizes the common irrigation system, and owners shouldn’t touch shared valves at all.
In single-family HOAs, owners often handle their own lot, but CC&Rs may set deadlines or make you liable for damage to a shared line. Check with the management company before you hook up a compressor, and if the HOA does it, get the date in writing.
How does sprinkler winterizing affect selling your home?
A winter buyer’s inspector can’t run a blown-out system, so the receipt becomes your proof that it was cared for. Keep it with your disclosures, along with the provider name and, if the home has them, documentation for any secondary water shares.
Utah’s state-approved Real Estate Purchase Contract has a section on water rights and water shares, including any that are excluded from the sale, and buyers ask. Our explainer on water shares and secondary water in Utah real estate covers what to have on hand, and our guide to selling a house in winter in Utah walks through the rest. If a spring listing is on your radar, a healthy yard helps you launch at the right price: Homie’s September 2026 market analysis found Utah homes priced correctly at launch sold in about 34 days, versus about 101 days after a later price reduction. A free home value report is an easy place to start.
Quick answers
Is it too late to blow out sprinklers in late October?
Usually not, but don’t push it. The National Weather Service’s average first fall freeze for Salt Lake City is October 20, so late October is already inside freeze season. The risk climbs with every hard freeze, and the backflow preventer is exposed first. If your provider shut off in September, schedule it this week rather than waiting for a mild November afternoon.
Do I need to blow out drip irrigation?
Drip lines still need to be drained before winter, and they need a gentle touch. Drip tubing and fittings are lighter than most sprinkler pipe, so the air pressure that clears a lawn zone can damage them. If you don’t know your drip system’s pressure rating, ask the irrigation supply store that sold the parts or hire a licensed irrigation contractor.
Should I close my secondary water valve for winter?
Follow your provider’s instructions, because they differ. Kaysville’s pressure irrigation page asks residents to leave individual shut-off valves open so lines can drain, while Weber Basin asks customers to drain the system and have valves shut before spring startup. Check your provider’s page or call before you change anything, and never operate a district-owned valve.
Do I still need to blow out if my water shut off weeks ago?
Yes. When secondary water stops, pressure drops, but water still settles in low spots, valve bodies and the backflow device. Layton’s secondary system shut off September 15, 2026, and those lines haven’t drained themselves. A blowout clears what gravity can’t, which is exactly the water that cracks parts in January.
When does Utah sprinkler season start again?
Usually in spring, once snowpack and storage allow. In 2026, South Jordan’s canal start-up dates ran April 27 to May 5. Your provider will post next year’s dates, often depending on snowpack, so check before you turn the valve back on.
The bottom line
Your provider’s shutoff date is your cue, not the weather forecast. In a drought year with shutoffs as early as September 15, the safest move is to blow out this week, keep the air pressure gentle, and file the receipt where you keep your home records.
Curious what all that upkeep adds up to? Get a free Homie home value report and see where your Utah home stands before spring. Whether you’re buying, selling, or doing both, Homie has your back.
— The Homie Team
*Examples are for illustrative purposes only. This article is general information, not legal, tax, lending or insurance advice.
*Market data from Homie’s September 2026 market analysis, the Utah Division of Water Resources (September 2026) and Utah water provider notices (checked October 2026). All data obtained from sources deemed reliable but not verified. Information not guaranteed.