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Al FuentesTechnical Review and Oversight Team
Water Supply Division
Your Public Water System’s Cross-Connection Control Program
• Authority• Plumbing Code• Enforcement
• Containment vs. Internal• Special considerations
• Record Retention• Auxiliary Water Systems• New Lead Rule
Outline of this Presentation
• Authority:• Testing Requirements• Customer Service Insp.
• The Plumbing Code• Enforcement
Authority
Backflow Cases
• Manufacturing facility in Texas uses river water for some of their processes.
• During a repair, they accidentally cross-connected to the potable water supply.
• Management was notified, alerted the people in the facility.
• Ice machines, reverse osmosis systems and under-sink filtration.
• Containment vs Internal Cross-Connection Control
• Special considerations• Approved backflow preventers.
Backflow Preventers
• TCEQ requirements• Key data on a form
Record Retention
• What the rule says.• How do you address these?• Teamwork
Auxiliary Water Systems
Backflow Event
• City park irrigation system• RPZ was installed but, not tested. • The nearby residents started
complaining of small worms in their water.
• Backflow from irrigation system, zero chlorine residual.
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%.
• Exemptions for non-potable use and main gate valves 2” or larger.
Questions?
Al FuentesTechnical Review and Oversight [email protected]
The toll free reporting number at TCEQ is 1-800-832-8224
Contact Info:
