Identify Hazards Before They Contaminate Water

Cross-connection control services throughout Southern California to protect potable water supplies from contamination.

Cross-connections occur when your potable water supply is physically connected to a non-potable source such as an irrigation system, industrial equipment, or a chemical feed line. If pressure drops or flow reverses, contaminants can move backward into the drinking water that serves your property or the broader public system in Big Bear City. Holt Backflow Testing, LLC provides system evaluations, hazard identification, and backflow preventer recommendations that keep your water supply safe and your property compliant with local codes.

We conduct thorough assessments of plumbing and water systems throughout Big Bear City, identifying connections that pose contamination risks and recommending the appropriate level of protection for each one. You receive a detailed report that lists every cross-connection, the associated hazard level, and the type of backflow preventer required to eliminate the risk. Our guidance helps you satisfy inspection requirements and protect public health.

If you need a cross-connection evaluation in Big Bear City, call us at (909) 709-8378 to schedule an assessment.

System Evaluations That Map Risk and Guide Protection

Our technicians walk your property in Big Bear City, tracing water lines and identifying every point where potable water connects to equipment, fixtures, or systems that could introduce contamination. We document each connection, assess the hazard level based on what substances are present, and recommend the correct type of backflow preventer for that specific risk. The evaluation includes both visible plumbing and hidden connections that may have been installed during renovations or equipment upgrades.

Once the evaluation is complete, you will know exactly where cross-connections exist, what contaminants they could introduce, and what devices are needed to eliminate the risk. You also receive a compliance roadmap that prioritizes high-hazard connections and outlines the steps needed to pass inspections.

We support ongoing compliance by providing documentation that satisfies water district inspectors and health department audits. If new equipment or plumbing changes create additional cross-connections, we update your assessment and recommend appropriate protection. This service is particularly valuable for commercial properties, industrial sites, and municipal facilities that operate complex water systems.

Questions about cross-connections and how to control them

Cross-connection control is a technical topic that affects property owners, managers, and businesses. These answers clarify what cross-connections are, why they matter, and how to address them properly.

What is a cross-connection?
A cross-connection is any physical link between potable water and a non-potable source, such as an irrigation line, boiler, chemical tank, or wastewater system. If pressure drops or flow reverses, contaminants can move into the drinking water supply.
How do cross-connections form?
Cross-connections are often created during plumbing installations, equipment upgrades, or DIY projects that connect water lines without proper backflow protection. Some exist in older systems that predate current codes.
What types of properties need cross-connection evaluations?
Commercial properties, industrial facilities, schools, hospitals, and any site that uses water for purposes other than drinking and sanitation should have regular evaluations. Residential properties with irrigation systems or auxiliary water sources also benefit from assessments.
What happens if a cross-connection is found?
We document the connection, identify the hazard level, and recommend the appropriate backflow preventer to eliminate the risk. You then install the device and have it tested to confirm proper operation and compliance.
Why are cross-connection control programs required?
Local water authorities and health departments require cross-connection control programs to protect public water supplies from contamination. Properties that fail to comply may face fines, water shutoffs, or legal liability if contamination occurs.

Cross-connection control is a foundational step in protecting water quality and maintaining compliance with local codes. Holt Backflow Testing, LLC provides system evaluations, hazard identification, and backflow preventer recommendations for properties throughout Big Bear City. Get in touch with us to schedule an evaluation or discuss compliance requirements for your property.