On Thursday, April 2, 2026, at the request of Texas Division of Emergency Management (TDEM), a statewide test of emergency alerting systems will occur between 10:00 AM and 12:30 PM.
USGS 08050100 Mountain Creek at Grand Prairie, TX
USGS 08049500 West Fork Trinity River at Grand Prairie, TX
Physical Address:Stormwater Department 300 West Main St. Grand Prairie, TX 75050 Mailing Address: Stormwater Department P.O. Box 534045 Grand Prairie, TX 75053 Phone: 972-237-8251 Fax: 972-237-8116 Email: floodplain@gptx.org For flood-related emergencies, please call water dispatch at 972-237-8400 or 911.