The City of Carson has a well-established and robust backflow prevention program that helps ensure the safety of its public water supply.
Carson 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 Carson 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 Carson 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 Carson enforces a Cross-Connection Control and Backflow Prevention Program to protect its potable water supply from contamination due to backflow incidents. This program complies with the California Code of Regulations, Title 17, and mandates the installation and maintenance of approved backflow prevention assemblies (BPAs) at service connections where potential hazards are identified.
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 Carson 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 Carson 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, Carson 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 Carson backflow prevention requirements may result in penalties, including water service discontinuation.
The City of Carson 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.
Carson CA, mandated the installation, testing and maintenance of backflow prevention devices in conformance with state, county regulations and city ordinances to protect the public water supply from contamination due to reverse water flow.
Carson's water system is managed by the City's Public Works 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.
- Carson 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.
Carson’s regulations require the installation of approved backflow prevention assemblies (BPAs) in specific scenarios, including:
- Carson Property Irrigation Systems: To prevent contaminants from entering the potable water supply through irrigation lines.
- Carson 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.
- Carson Property Fire Protection Systems: To prevent stagnant water from fire suppression systems from flowing back into the drinking water supply.
- Carson 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 Carson until compliance is achieved.
To ensure the continued effectiveness of backflow prevention assemblies, the following backflow testing and maintenance protocols are required in Carson CA:
- Carson Annual Backflow Testing: All backflow prevention assemblies must be tested at least once a year by a certified tester.
- Carson Post-Installation or Repair Backflow Testing: Any new installation, relocation, or repair of a backflow device requires immediate testing to confirm correct operation.
- Carson Backflow Record Keeping: Test results must be submitted to the appropriate regulatory agency to maintain compliance records.
- Carson Approved Backflow Devices: Only backflow prevention assemblies listed by recognized testing agencies are permitted for residential and commercial properties in Carson. The University of Southern California’s Foundation for Cross-Connection Control and Hydraulic Research (USC-FCCCHR) provides a comprehensive list of approved devices.
- Carson 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 Carson backflow testing requirements can result in water service termination until compliance is achieved.
Additionally, the City of Carson 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 Carson CA may result in the city discontinuing water service until compliance is achieved.
The City of Carson 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 Carson CA.
The City of Carson 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 devices may trigger enforcement actions, including service interruption.
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Carson 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 Carson 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 or the water purveyor (which may be City of Downey Water Division or Golden State Water, depending on your service area).
- 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 Carson 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 Carson 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 Carson'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:
- Carson Municipal Code – Chapter 9.01.0308: 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.he City of Downey'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:
- Downey Municipal Code – Ordinance No. 0922: Establishes authority, device requirements, inspection rights, and enforcement tools.
- 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 Carson, contact:
City of Carson Public Works Department
- Phone: (310) 952-1700
- Website: City of Carson Public Works
For further guidance or assistance with backflow prevention compliance, contact the City of Carson Public Works Department for resources and support.
Here is a outline of special circumstances pertaining to backflow assembly installation, testing and repair in Carson 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.
Carson, located in the South Bay region of Los Angeles County, is a strategically positioned and culturally diverse city known for its evolving urban character, strong civic institutions, and central role in regional logistics, sports, and education. With a population of approximately 95,000, Carson blends residential neighborhoods with industrial infrastructure and educational institutions, serving as a vital hub within the Southern California metropolitan area.
Incorporated in 1968, Carson was one of the later cities to be established in Los Angeles County but has quickly distinguished itself through deliberate city planning and an ambitious civic vision. Its location—adjacent to the Ports of Los Angeles and Long Beach and intersected by major freeways such as the I-405, I-110, and SR-91—makes it a crucial link in regional transportation, commerce, and freight movement. As a result, Carson is home to a significant number of logistics centers, manufacturing facilities, and warehousing operations, forming an essential backbone of the South Bay’s industrial economy.
At the same time, Carson has invested heavily in community development and quality-of-life enhancements. One of the city’s most prominent landmarks is Dignity Health Sports Park, a world-class sports complex that includes a 27,000-seat stadium, tennis courts, and athletic training facilities. It serves as the current home of LA Galaxy, one of Major League Soccer’s most successful franchises, and has hosted major events including international soccer matches, track and field competitions, and Olympic training activities. The facility was also used by the Los Angeles Chargers during their transition to SoFi Stadium.
The city’s civic heart includes Carson City Hall, the Carson Community Center, and the Carson Public Library, part of the Los Angeles County system. These institutions host a wide array of public programs, from cultural events and educational workshops to town halls and public service initiatives. The Carson Civic Center frequently serves as a gathering point for weddings, business expos, and civic functions.
Carson’s cultural landscape reflects its status as one of the most ethnically diverse cities in Southern California. The population includes large Filipino, African American, Latino, and Pacific Islander communities, contributing to a multicultural identity evident in its neighborhoods, festivals, food, and public art. Events such as the Carson Jazz Festival, Filipino-American History Month celebrations, and Pacific Islander Heritage Month highlight the city’s inclusive spirit and commitment to honoring its diverse residents.
Educational institutions play a vital role in Carson’s community life. California State University, Dominguez Hills (CSUDH), located in the northern part of the city, is a key regional institution offering undergraduate and graduate degrees across disciplines. Known for its focus on social mobility, diversity, and community engagement, CSUDH also contributes to the local economy and serves as a cultural resource through its University Theatre, art galleries, and public lecture series.
Public parks and recreation facilities are abundant in Carson. Carson Park, Veterans Park, and Del Amo Park provide space for youth sports, fitness programs, senior activities, and community events. The International Printing Museum, a hidden gem, offers educational exhibits on printing history and hands-on demonstrations, appealing to both students and history enthusiasts.
Residentially, Carson offers a mix of housing types, from single-family homes and condominiums to newer mixed-use developments. Neighborhoods such as Dominguez, Keystone, and Victoria are known for their stability, access to parks, and community cohesion. In recent years, the city has promoted transit-oriented development and affordable housing initiatives, seeking to accommodate growth while preserving neighborhood character.
Carson is also actively engaged in environmental and sustainability initiatives. Projects include stormwater capture systems, energy-efficient municipal buildings, and expanded green infrastructure. The city’s proximity to the ports has made air quality and environmental justice key issues, and local leaders have advocated for clean technology and environmental protections within industrial zones.
Today, Carson is a city on the rise—balancing its industrial and logistical significance with an ongoing commitment to civic innovation, educational advancement, and cultural celebration. With its strong infrastructure, rich cultural fabric, and forward-looking leadership, Carson stands as a resilient and dynamic community at the crossroads of Southern California’s past, present, and future.
Municipal Office Contact Info:
Carson City Hall
Address: 701 E Carson Street
Carson, CA 90745
Phone: (310) 830-7600
