Environmental Services | 201 NW 2nd St., Suite 100 | P.O. Box 534045 | Grand Prairie, TX 75053
Phone 972-237-8055 | Fax 972-237-8228
- Double Check Assembly Detail (PDF)
- Double Check Assembly Detail (AutoCAD)
- Sample Point Detail (PDF)
- Sample Point Detail (AutoCAD)
- List of Licensed Cross Connection Control Device Testers (PDF) registered with the City of Grand Prairie (last updated 9/23/09). *Please note, backflow assemblies on fire lines/equipment must be tested by testers certified for fire equipment (shown on list).