1. Al Fuentes Technical Review and Oversight Team Water Supply Di vision Your Public Water System’s Cross- Connection Control Program

2. Authority Authority Plumbing Code Plumbing Code Enforcement Enforcement Containment vs. Internal Containment vs. Internal Special considerations Special considerations Record Retention Record Retention Auxiliary Water Systems Auxiliary Water Systems New Lead Rule New Lead Rule Outline of this Presentation

3. Authority: Authority: Testing Requirements Testing Requirements Customer Service Insp. Customer Service Insp. The Plumbing Code The Plumbing Code Enforcement Enforcement Authority

4. Backflow Cases Manufacturing facility in Texas uses river water for some of their processes. Manufacturing facility in Texas uses river water for some of their processes. During a repair, they accidentally cross- connected to the potable water supply. During a repair, they accidentally cross- connected to the potable water supply. Management was notified, alerted the people in the facility. Management was notified, alerted the people in the facility. Ice machines, reverse osmosis systems and under-sink filtration. Ice machines, reverse osmosis systems and under-sink filtration.

5. Containment vs Internal Cross- Connection Control Containment vs Internal Cross- Connection Control Special considerations Special considerations Approved backflow preventers. Approved backflow preventers. Backflow Preventers

6. TCEQ requirements TCEQ requirements Key data on a form Key data on a form Record Retention

7. What the rule says. What the rule says. How do you address these? How do you address these? Teamwork Teamwork Auxiliary Water Systems

8. Backflow Event City park irrigation system City park irrigation system RPZ was installed but, not tested. RPZ was installed but, not tested. The nearby residents started complaining of small worms in their water. The nearby residents started complaining of small worms in their water. Backflow from irrigation system, zero chlorine residual. Backflow from irrigation system, zero chlorine residual.

9. New Lead Requirements Definition of lead free for pipes and plumbing changed from 8% to 0.25%. Solder and flux remain the same at 0.2%. Definition of lead free for pipes and plumbing changed from 8% to 0.25%. Solder and flux remain the same at 0.2%. Exemptions for non-potable use and main gate valves 2” or larger. Exemptions for non-potable use and main gate valves 2” or larger.

10. Questions?

11. Al Fuentes Technical Review and Oversight Team Alfonso.Fuentes@tceq.texas.gov 512-239-1407 The toll free reporting number at TCEQ is 1-800-832-8224 Contact Info: