Cullen Park Sprayground
✓ Verified https://www.houstontx.gov/parks/playgrounds-spraygrounds.html · confirmed against the parks department

Where: 19008 Saums Road, Houston, Texas
Season: year-round (weather permitting)
Hours: typically daylight hours
Cost: free
public-park
Geyser and spray fixtures rise from a colorful play surface that parents can watch from the nearby picnic pavilion in this far-west Houston park close to Katy.
What's on site. OpenStreetMap maps toilets on site, playground alongside, parking at this location.
When to go. Peak summer highs in Houston average 93°F. Mornings and late afternoons are far more comfortable than the middle of the day, and shade is worth planning around.
If this one's closed or packed
Splash pads close for maintenance, run short seasons and fill up on hot weekends. There is 1 other pad within 5 miles and 13 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: