It's the question every fountain owner asks as fall turns cold: do water features freeze in winter? The short answer is yes, if you let them. Standing water in a fountain freezes just like water anywhere else, and that freezing is what damages the fountain. But with the right approach, freezing is completely preventable.
Here's what actually happens when a fountain freezes, whether you can keep one running through winter, and how to protect yours based on where you live.
When the water in a fountain freezes, it expands by about 9%. That expansion pushes outward on everything containing it: the basin walls crack, bowl edges chip, water trapped in porous cast stone or natural stone forces hairline fractures, and any water inside the pump splits the housing. The fountain doesn't have to be running to freeze, it just has to be holding water. That's why winterizing matters so much.
Moving water resists freezing better than still water, so in mild climates where temperatures only dip near freezing occasionally, some owners keep a fountain running all winter. But it isn't foolproof: in a hard or prolonged freeze, even running water will ice over, and ice on a running pump can burn it out. In freezing climates, the safe answer is to drain and winterize.
| Your climate | Recommendation |
|---|---|
| Hard freezes every winter (North, Midwest, mountains) | Drain, remove the pump, and cover, full winterizing |
| Occasional light freezes (mid-South, coastal) | Winterize before cold snaps, or run it and watch the forecast |
| Rare/no freezing (Deep South, Southwest, coastal CA) | You can usually keep running it year-round with normal care |
Whatever your climate, if a hard freeze is coming, get the water out first. Follow our 3 winterizing tips or the full winter care guide.
Smaller and thinner-walled fountains freeze fastest, ceramic and terra cotta tabletop pieces can freeze solid overnight and should come indoors. Large cast-stone and natural-stone fountains hold more thermal mass but still crack if left full. The pump is always the first casualty, whatever the size.
Do water features freeze in winter?
Yes. Standing water in a fountain freezes just like any water, and it expands about 9% as it does, which can crack the basin, tiers, and pump. Draining and winterizing prevents it.
Will a running fountain freeze?
Moving water resists freezing, so a running fountain may be fine in mild climates. But in a hard or prolonged freeze it will still ice over, and ice on a running pump can destroy it.
Can I keep my fountain running all winter?
Only where hard freezes are rare. In freezing climates, drain and winterize instead. Elsewhere, watch the forecast and shut down before any hard cold snap.
What freezes first on a fountain?
The pump and any thin-walled or small fountain. Ceramic and terra cotta tabletop pieces can freeze solid overnight, so bring them indoors.
How do I stop my fountain from freezing?
Drain it before the first hard freeze, remove and store the pump, dry the interior, and cover it. In mild climates you may instead keep it running and monitor the weather.
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