The City of Pomona has a well-established and robust backflow prevention program that helps ensure the safety of its public water supply.
Pomona property owners are responsible for installing, testing, and maintaining backflow prevention devices and must comply with the city's requirements to avoid penalties. Ensuring timely testing, maintenance, and repair of backflow devices is crucial for protecting both individual properties and the public water system. Non-compliance can result in fines, civil liabilities and the disruption of water service.
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Because backflow devices are critical to maintaining clean, safe water supplies, California State Water Districts, County Health Boards and Local Municipalities regulations mandate that only licensed and certified backflow technicians and plumbers who have the expertise, training, have the legal authority to perform repairs or replacements in compliance with regulations and with the necessary quality control to protect the public water system.
The City of Pomona enforces comprehensive backflow prevention regulations to protect its public water supply from contamination. Through enforcement of its municipal code and collaboration with the Los Angeles County Department of Public Health, the city ensures public health and water safety.
Failing to comply with the regulations may result in fines or suspension of water service. It is important for Pomona homeowners and businesses to stay up-to-date with local regulations and to ensure that their backflow devices are tested annually by a certified tester.
The City of Pomona is committed to ensuring the safety of its potable water supply through a robust Cross-Connection Control and Backflow Prevention Program.
This program aligns with the Cross-Connection Control Policy Handbook (CCCPH) issued by the State Water Resources Control Board, effective July 1, 2024. The CCCPH replaces previous regulations under Title 17 of the California Administrative Code and applies to all public water systems in the state.
Through enforcement of its municipal code and collaboration with the Los Angeles County Department of Public Health, the city ensures public health and water safety.
The program mandates the installation of approved backflow prevention devices at service connections where potential hazards are identified.
Property owners in Pomona are obligated to install, test, and maintain backflow devices and cooperate with inspections. Non-compliance can lead to water service interruption and financial penalties.
Additionally Pomona homeowners and businesses must arrange for annual testing by certified testers and submit the test results to the City and or County Public Works Departments.
And more generally, Pomona property owners are responsible for keeping their backflow prevention devices in good working condition. If a device fails or is malfunctioning, repairs or replacements must be made immediately, and the device must be retested.
Failure to comply with Pomona backflow prevention requirements may result in penalties, including water service discontinuation.
The City of Pomona enforces backflow prevention regulations to protect its public water supply from contamination. These regulations aim to prevent backflow, the unwanted reverse flow of water that can introduce pollutants or contaminants into the potable water system by implementing:
- Backflow Prevention: To prevent the reverse flow of water that can introduce pollutants or contaminants into the public drinking water system.
- Cross-Connection Control: To eliminate or safeguard against connections between potable and non-potable water systems, ensuring the safety of drinking water.
The City of Pomona requires the installation of specific backflow prevention devices based on the level of hazard associated with the water use. The determination of the appropriate device is made after an inspection by a Cross-Connection Control Specialist.
Pomona's water system is managed by the Pomona Water Resources Department, which enforces backflow prevention measures in accordance with:
- California Code of Regulations Title 17: Outlines the requirements for backflow prevention and cross-connection control.
- Pomona Municipal Code: Provides detailed guidelines for implementing cross-connection control programs.
All backflow prevention devices must be approved by recognized standards agencies like the Foundation for Cross-Connection Control and Hydraulic Research at USC or other equivalent organizations.
Pomona’s backflow regulations require the installation of approved backflow prevention assemblies (BPAs) in specific scenarios, including:
- Pomona Property Irrigation Systems: To prevent contaminants from entering the potable water supply through irrigation lines.
- Pomona Commercial and Industrial Properties: Facilities with potential cross-connections, such as those involving chemicals or pressurized systems, are required to install appropriate backflow prevention assemblies.
- Pomona Property Fire Protection Systems: To prevent stagnant water from fire suppression systems from flowing back into the drinking water supply.
- Pomona Property Auxiliary Water Sources: Properties with alternative water sources like wells or cisterns must install backflow prevention devices to prevent cross-contamination.
Failure to install a required backflow prevention assembly can result in termination of water service at your property by the City of Pomona until compliance is achieved.
To ensure the continued effectiveness of backflow prevention assemblies, the following backflow testing and maintenance protocols are required in Pomona CA:
- Pomona Annual Backflow Testing: All backflow prevention assemblies must be tested at least once a year by a certified tester.
- Pomona Post-Installation or Repair Backflow Testing: Any new installation, relocation, or repair of a backflow device requires immediate testing to confirm correct operation.
- Pomona Backflow Record Keeping: Test results must be submitted to the appropriate regulatory agency to maintain compliance records.
- Pomona Approved Backflow Devices: Only backflow prevention assemblies listed by recognized testing agencies are permitted for residential and commercial properties in Pomona. The University of Southern California’s Foundation for Cross-Connection Control and Hydraulic Research (USC-FCCCHR) provides a comprehensive list of approved devices.
- Pomona Certified Backflow Testers: Testing must be conducted by individuals certified by the Los Angeles County Department of Public Health. A directory of certified testers is available on their official website
Failure to comply with Pomona backflow testing requirements can result in water service termination until compliance is achieved.
Additionally, the City of Pomona backflow installation guidelines outline the follwoing installation requirements:
- Backflow Installation Responsibility: Property owners are responsible for the installation of backflow prevention assemblies when required by the City.
- Backflow Location & Access: Devices must be installed in accessible areas and protected from environmental damage or vandalism.
- Backflow Compliance Enforcement: Failure to install a required backflow prevention assembly can result in termination of water service until compliance is achieved.
Failure to install the required backflow prevention assemblies for properties in Pomona CA may result in the city discontinuing water service until compliance is achieved.
The City of Pomona requires the installation of specific backflow prevention devices based on the level of hazard associated with the water use:
- Reduced Pressure Principle Backflow Prevention Device (RP): Required for all non-residential connections to protect against high hazards.
- Double Check Valve Assembly (DC): Required for all non-residential fire suppression system connections, upgrades, and new installations.
- Air Gap Separation (AG): May be approved as a higher level of protection upon prior written approval from the City.
These devices must be approved by the City and installed in accordance with the California Administrative Code Title 17, Section 7603.
The appropriate device is determined based on the degree of hazard present on the property.
Proper testing and maintenance of backflow devices are essential for compliance with local regulations and for safeguarding community health in Pomona CA.
The City of Pomona has the following requirements for testing, certification, and documentation of backflow prevention assemblies:
- Initial Backflow Testing: Backflow prevention assemblies must be tested immediately after installation by a certified backflow tester.
- Annual Backflow Testing: Required once every 12 months to verify the continued effectiveness of the device.
- Certified Backflow Testers Only: All testing must be performed by professionals certified by the Los Angeles County Department of Public Health.
- Backflow Test Reports: Completed test reports must be submitted to the City within the required timeframe.
- Non-Compliance: Untested or failed backflow devices may trigger enforcement actions, including service interruption.
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Pomona CA property owners are responsible for ensuring that backflow prevention devices are properly installed, tested annually, and maintained in good working order. Non-compliance with the following regulations can lead to penalties, including the interruption of water service:
Responsibilities of Pomona Property Owners;
- Backflow Installation: Ensuring proper device installation by a licensed plumber using approved assemblies.
- Annual Backflow Testing: Hiring a certified tester to complete the mandatory annual testing.
- Submission of Backflow Test Reports: Ensuring test reports are submitted on time to the city.
- Backflow Maintenance and Repair: Ensuring the device is maintained in working condition. If repairs are necessary, the device must be retested immediately.
- Backflow Compliance During Construction: Developers and contractors must include appropriate backflow prevention measures in all project designs and plans where cross-connection potential exists.
- Understand that non-compliance may result in disconnection of water services or fines.
The City of Pomona conducts thorough cross-connection inspections to monitor potential risks in both residential and commercial settings. These inspections are essential for maintaining water safety and preventing the backflow of contaminants into the public supply.
Purpose of Inspections:
- Identify existing or potential cross-connections.
- Confirm that proper backflow prevention assemblies are installed.
- Evaluate whether device types match the hazard level.
- Enforce compliance where violations exist.
When Inspections Occur:
- During new construction, remodeling, or plumbing system upgrades.
- When a new service connection is initiated for commercial or industrial properties.
- Periodically, based on a property's risk profile or device testing history.
- In response to complaints or observed irregularities in water system behavior.
Inspection Process:
1. Advance Notice: Property owners are informed by the City before the inspection.
2. Onsite Visit: A certified Cross-Connection Specialist inspects the plumbing and device setup.
3. Hazard Assessment: The inspector evaluates system complexity and potential contamination risks.
4. Reporting: A written inspection report is issued with required actions or corrections.
5. Follow-Up: Re-inspections are scheduled for any deficiencies or outstanding issues.
Consequences for Non-Compliance:
- Water service may be suspended or disconnected.
- Re-inspection or administrative fees may be applied.
- Continued violations may result in legal penalties per the city code.
Proper testing and maintenance of backflow prevention devices are essential for compliance with local regulations and for safeguarding community health. The City of Pomona has the following requirements for testing, certification, and documentation of backflow prevention assemblies:
- Testing Fees: Determined by the private certified tester. These fees are separate from any City administrative or permit charges.
- Re-inspection or Reconnection Fees: May apply if devices fail, are overdue for testing, or service is disconnected due to non-compliance.
The City of Pomona's cross-connection and backflow regulations are built upon a combination of local municipal code, state plumbing regulations, and county public health enforcement. These include:
- Pomona Municipal Code – Section 62-200: Outlines the requirements for backflow prevention and cross-connection control.
- California Plumbing Code (Title 24, Part 5 of the California Code of Regulations): Dictates backflow device installation, hazard classification, and device specifications.
- Title 17, California Code of Regulations: Defines cross-connection control program responsibilities for public water systems.
- USC Foundation for Cross-Connection Control: The City relies on USC’s list of approved backflow prevention assemblies and testing protocols.
- AWWA Manual M14: Referenced for installation practices, hazard assessments, and maintenance recommendations.
For questions or assistance with cross-connection control or backflow testing in the City of Pomona, contact:
City of Pomona - Water Resources Department:
- Phone: (909) 620-2251
- Website: Pomona Annual Backflow Testing
For further guidance or assistance with backflow prevention compliance, contact the City of Pomona Water Resources Department for resources and support.
Here is a outline of special circumstances pertaining to backflow assembly installation, testing and repair in Pomona CA which require special attention:
- Irrigation Systems: All systems connected to City water must include appropriate backflow protection, especially those using fertilizers or pesticides.
- Fire Suppression Systems: Require device installation depending on connection type and risk classification.
- Multi-Family and Commercial Developments: Typically classified as higher risk and subject to additional oversight.
- Emergency Protocols: If a cross-connection is suspected, the City may require immediate shutdown, inspection, or remediation.
Pomona, located in the eastern portion of Los Angeles County in the Pomona Valley, is a historically rich and culturally dynamic city that serves as a vital hub between the Inland Empire and the greater Los Angeles metropolitan area. With a population of approximately 150,000, Pomona is known for its academic institutions, diverse communities, and its role as a center for trade, culture, and innovation in Southern California’s east corridor.
Named after the Roman goddess of fruit, Pomona's origins lie in agriculture. The city was founded in the 1870s and flourished in the late 19th and early 20th centuries as a citrus-growing powerhouse, benefiting from the expansion of railroads and irrigation systems. While the orchards are long gone, Pomona retains a strong sense of heritage and civic pride reflected in its historic architecture, cultural institutions, and enduring community spirit.
The city’s historic Downtown Pomona Arts Colony is a revitalized district filled with art galleries, studios, live music venues, vintage stores, and cafes. It plays host to monthly Art Walks, local festivals, and public exhibitions that draw visitors from throughout the region. Architectural landmarks like the Fox Theater Pomona, a restored 1930s movie palace turned concert venue, contribute to the city’s cultural resurgence and vibrant nighttime economy.
Pomona is also widely recognized for its higher education and academic influence. The city is home to California State Polytechnic University, Pomona (Cal Poly Pomona) -one of the premier polytechnic universities in the western U.S. -offering nationally ranked programs in engineering, architecture, agriculture, and hospitality management. Nearby, Western University of Health Sciences serves as a leading private graduate school specializing in medical, dental, and veterinary education, further cementing Pomona's role as a regional center for science and professional training.
Pomona’s civic infrastructure supports a full-service city government headquartered at Pomona City Hall, which manages public safety, urban planning, public works, and community services. The Pomona Police Department and Los Angeles County Fire Department ensure resident safety, while local programs emphasize youth engagement, senior services, and neighborhood development. The Pomona Public Library and Palomares Park Community Center are key civic hubs providing educational resources and cultural programming.
The city boasts several notable venues and institutions that play a major role in regional tourism and commerce. Chief among these is the Fairplex, home of the LA County Fair, one of the largest county fairs in the country. The Fairplex also hosts year-round trade shows, expos, and cultural events. Adjacent to the fairgrounds is the NHRA Motorsports Museum and the Auto Club Raceway at Pomona, a historic drag racing venue that holds national championship events.
Pomona’s neighborhoods reflect its cultural diversity and historical depth. Communities like Phillips Ranch, Westmont, Lincoln Park, and Ganesha Hills offer a range of housing styles—from Craftsman-era homes to mid-century ranches and newer developments. Ongoing revitalization efforts target both residential and commercial corridors, particularly around the Transit-Oriented Development (TOD) zones linked to regional rail and bus infrastructure.
The Pomona Unified School District (PUSD) serves the city with multiple elementary, middle, and high schools, as well as adult education and career technical programs. Schools such as Pomona High School, Diamond Ranch High School, and Village Academy are known for their academic initiatives and college preparation programs. Charter and private schools also offer alternatives within the city.
Economically, Pomona benefits from its strategic location at the crossroads of Interstate 10, State Route 60, and State Route 71, providing direct access to Los Angeles, the Inland Empire, and the ports of Long Beach and Los Angeles. The city is served by both Metrolink and Foothill Transit, and future connectivity will be enhanced by the Metro L Line (Foothill Gold Line) extension, which will include two Pomona stations by 2025, positioning the city as a major multi-modal transit hub.
Pomona is actively engaged in economic development, with a focus on attracting investment in healthcare, education, manufacturing, logistics, and green industries. The city supports business retention and redevelopment through its Economic Development Department, which partners with regional stakeholders to revitalize commercial corridors, support local entrepreneurship, and expand housing availability.
Culturally and demographically diverse, Pomona is home to thriving Latino, African American, Asian American, and immigrant communities. This diversity is celebrated through community events such as Pomona Day of the Dead, Pomona Christmas Parade, Cultural Arts Festival, and farmer’s markets that reflect the city’s vibrant local economy and culinary traditions.
Today, Pomona is a city undergoing transformation—blending historical legacy with educational excellence, civic innovation, and cultural revitalization. Its strategic location, academic institutions, and renewed investment in infrastructure and the arts make it a dynamic urban center with growing regional significance.
Municipal Office Contact Info:
Pomona City Hall
Address: 505 South Garey Avenue
Pomona, CA 91766
Phone: (909) 620-2311
