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

Where: 4502 Dunlavy, Houston, Texas
Season: year-round (weather permitting)
Hours: typically daylight hours
Cost: free
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A neighborhood sprayground in the Montrose area positioned next to a playground and picnic area, with soccer and baseball fields and a dog park elsewhere in the park.
What's on site. OpenStreetMap maps drinking water, playground alongside, parking at this location. No public toilets are mapped here — worth knowing before you commit to an afternoon.
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 are 16 other pads within 5 miles and 37 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: