Cross Connection and Water Pollution Control
in Los Angeles County Environmental Health

About Cross Connection and Water Pollution Control Program

The Cross Connection Program conducts water-use surveys to a variety of federal, state, city, and private facilities / businesses to determine if interconnections exist between industrial (non-potable) and potable water systems.

These potential hazards are evaluated and identified within the premises which may require the installation of a testable backflow prevention assembly. Per code, these backflow prevention assemblies are required to be tested on an annual basis by qualified Los Angeles County Certified Backflow Testers.

Learn About Our Services

• Cross Connection Water-Use Surveys
• Alternate Water System (AWS) Plan Check Approvals
• Backflow Tester Certification Program

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