1. North Texas Municipal Water District Water Treatment Process

3. Pump Raw Water Pump Station Brings Raw Water Into Water Treatment Plant North Texas Municipal Water District Water Treatment Process Chemical Addition & Rapid Mixing Coagulant & Coagulant Aid

4. Raw Water entering treatment plant

6. Flocculation / Coagulation

7. Flocculators

8. North Texas Municipal Water District Water Treatment Process Flocculation/ Coagulation Sedimentation

9. Sedimentation Basin

10. Empty Sedimentation Basin

11. North Texas Municipal Water District Water Treatment Process Coal Sand Cleanest water on top Disinfection Filtration Dual media filters Sedimentation Basin

12. Cleaner water removed and transferred to filters

13. Effluent Launder Troughs

14. North Texas Municipal Water District Water Treatment Process Distribution disinfection Filtration Coal Sand Dual media filters

15. Filters

16. North Texas Municipal Water District Water Treatment Process Pump The treatment process results in superior water quality for the District’s customers