Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. No verified Grand Prairie text-to-pay keyword or opt-in sequence was published. The City promotes H2Know digital-meter registration and usage alerts, which are separate from payment enrollment.
Mail-in address
City of Grand Prairie Water Utilities, P.O. Box 534045, Grand Prairie, TX 75053.
Counters, drop boxes, and office hours
Water Services customer service is at Grand Prairie City Hall, 300 W. Main Street, Grand Prairie, TX 75050, Monday-Friday, 8:00 a.m.-5:00 p.m. The reviewed page did not expose a complete current drop-box or satellite-counter matrix or a definitive desk-level payment-instrument list.