The short answer
Fort Worth’s year-round watering rules restrict sprinklers and irrigation systems, not hoses in your hand. Hand-held watering is allowed any time. Drip irrigation is allowed too, and the city spells out why: its intent is to allow for the protection of structural foundations, trees and other high-value landscaping.
Fort Worth’s rules at a glance
| Rule | What it says |
|---|---|
| Sprinkler and irrigation-system schedule | twice a week, on assigned days |
| Residential addresses ending in an even number | Wednesday and Saturday |
| Residential addresses ending in an odd number | Thursday and Sunday |
| No sprinkler watering at all | Monday |
| No sprinkler watering during these hours | 10 a.m.–6 p.m. |
| Hand-held hose | any time |
| Drip irrigation | Allowed, to protect foundations |
| Breaking the rules | an administrative fee on the next water bill, rising with repeat violations |
These are the city’s year-round rules. During a declared drought stage, rules can tighten; check the city’s water pages before a long dry spell.
Why watering a foundation helps
Expansive clay changes size with its moisture. A Texas licensing bulletin describes the cycle as heave when wet, settle when dry, and lists drainage, plants, sprinkling, maintenance as the ways to limit damage. The City of Richardson put it simply in 2026: the swing from dry soil to wet and back is what leads to foundation problems over time.
In a North Texas summer, the soil along the edge of a slab dries first. The middle of the house, shaded and covered, stays damp. That difference is what lets the perimeter drop. Evaporation already exceeds rainfall across most of Texas, and DFW recently went 67 days without measurable rain, from mid-July to late September 2026. Watering in those stretches keeps the perimeter closer to the moisture under the middle.
How to water
- Water evenly all the way around. The point is to match the moisture under the middle of the house, not to soak one side.
- Water a little way out from the slab, not against the brick ledge, so the water soaks into the soil the foundation sits on rather than running down the face of the beam.
- Water in the cool of the day. Less is lost to evaporation, and for sprinklers it’s the rule anyway.
- Use a hand-held hose or drip line on the off days, and save sprinkler zones for your assigned days.
- Check the soil, not the calendar. After a good rain, skip it.
When not to water
- When the middle of the house is rising. Center heave comes from too much water under the slab, not too little. Watering makes it worse; finding the leak or the drainage problem comes first.
- When water stands near the house. Fix the grading and gutters before adding more water. The drainage page covers both.
- Under a pier and beam house with a wet crawl space. The Foundation Performance Association notes ponding can let supports move, settle, or tilt.
Soaker hoses, drip lines and permits
A soaker hose laid around the house and turned on by hand behaves much like a hand-held hose. A drip line on a timer is drip irrigation, which the city allows for foundations. A permanent system is different: Fort Worth says new irrigation system installations require a city permit obtained by a licensed irrigator or Master Plumber. If you’re adding drip zones to an existing sprinkler system, use a licensed irrigator.
Watering doesn’t replace a repair
If doors already bind and cracks keep growing between dated photos, watering may slow the next round of movement but won’t undo the last one. The FPA is clear that maintenance systems should not be considered a repair. An inspection with elevation readings shows how much the house has moved. The warning signs page helps you decide whether it’s time.
Want a contractor to look at it? Call to schedule an inspection.