The City of Mission Viejo has established guidelines for backflow prevention and cross-connection control to protect the public water supply.
Mission Viejo property owners are responsible for ensuring that backflow prevention devices are properly installed, tested annually, and maintained in good working order. Non-compliance with these regulations can lead to penalties, civil liabilities and the interruption 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.
Failing to comply with the regulations may result in fines or suspension of water service. It is important for Mission Viejo 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 Mission Viejo maintains a comprehensive Cross-Connection Control Program to protect its potable water supply from contamination due to backflow.
These regulations are based on the California Code of Regulations (CCR) Title 17 and enforced by the City of Mission Viejo Municipal Code.
Mission Viejo property owners are responsible for ensuring that backflow prevention devices are installed properly and meet local and state regulations. Backflow prevention devices must be installed following Plumbing and Building Code as well as California's State Building Standards.
Mission Viejo property owners must also hire a certified backflow tester to perform annual tests on their devices. All backflow prevention devices must be tested annually by a certified backflow prevention tester to ensure that they are working correctly. Only individuals with a valid Certified Backflow Prevention Device Tester (C.B.P.D.T.) certification can conduct these tests.
Aslo, backflow test results must be submitted to the City of Mission Viejo Public Works Department. If the test results are not submitted on time, a penalty fee may be charged, and water service may be temporarily suspended.
Backflow device maintenance is also an important element of Mission Viejo property owner's responsibilities. Homeowners and businesses are required to keep backflow prevention devices in good working order. If a backflow device fails the test, it must be repaired or replaced immediately.
Once repairs are made, the device must be retested and the new results submitted to the City of Mission Viejo Public Works Department. Backflow prevention devices that are beyond repair or obsolete may need to be completely replaced.
Failing to comply with the City of Mission Viejo backflow regulations may result in fines or suspension of water service. It is important for property owners 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 Mission Viejo 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 could introduce pollutants or contaminants into the public water system.
- Cross-Connection Control: To eliminate or safeguard against connections between potable and non-potable water systems, ensuring the safety of drinking water.
Mission Viejo requires the installation of approved backflow prevention devices at locations where there is a potential risk of contamination. These devices must be installed at or near the property line or immediately outside the building being served, before the first branch line leading off of the service line.
Mission Viejo water system is managed by the City's Public Works Department, which enforces backflow prevention measures in accordance with:
- Mission Viejo Municipal Code: Outlines the requirements for building regulations, including backflow prevention.
- Title 17, California Code of Regulations: Defines cross-connection control program responsibilities for public water systems.
Mission Viejo Backflow prevention devices must be installed in compliance with the Municipal Code and California Plumbing Code.
Tustins regulations require the installation of approved backflow prevention assemblies (BPAs) to protect the water supply. Backflow prevention assemblies are required in various scenarios, including:
- Tustin Property Irrigation Systems: To prevent contaminants from entering the potable water supply through irrigation lines.
- Tustin 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.
- Tustin Property Fire Protection Systems: To prevent stagnant water from fire suppression systems from flowing back into the drinking water supply.
- Tustin Property Auxiliary Water Sources: Properties with alternative water sources like wells or cisterns must install backflow prevention devices to prevent cross-contamination.
Property owners are responsible for installing backflow prevention assemblies as required by the city's regulations or or OCHCA. Installations must adhere to the city's standards, including specific device types and installation procedures.
Failure to install the required backflow prevention assemblies in compliance with Tustin regulations and requirements may result in the discontinuation of water service until compliance is achieved.
To ensure the continued effectiveness of backflow prevention assemblies, the following backflow testing and maintenance protocols are required in Tustin :
- Annual Backflow Testing: Backflow prevention assemblies must be tested at least annually to ensure proper operation.
- Post-Installation or Repair Backflow Testing: Any new installation, relocation, or repair of a backflow device requires immediate testing to confirm correct operation.
- Backflow Test Record Keeping: Test results must be submitted to the appropriate regulatory agency to maintain compliance records.
- Tustin Certified Backflow Testers: Tests must be conducted by individuals certified by recognized organizations, such as the American Water Works Association (AWWA) California-Nevada Section or the Orange County Health Care Agency.
- Approved Backflow Devices: Only backflow prevention assemblies listed by recognized testing agencies are permitted. The USC-FCCCHR provides a comprehensive list of approved devices.
Failure to conduct required backflow testing for Tustin properties may lead to water service termination until the device is tested and found compliant.
The City of Tustin 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.
These backflow devices must be installed immediately downstream of the water meter and must be approved by recognized testing agencies. The University of Southern California’s Foundation for Cross-Connection Control and Hydraulic Research (USC-FCCCHR) provides a comprehensive list of approved devices.
The appropriate device is determined based on the degree of hazard present at the property.- Mission Viejo Municipal Code: Provides detailed guidelines for implementing cross-connection control programs.
- Mission Viejo Backflow prevention devices must be installed in compliance with the Municipal Code and California Plumbing Code.
Mission Viejo regulations require the installation of approved backflow prevention assemblies (BPAs) to protect the water supply. Backflow prevention assemblies are required in various scenarios, including:
- Mission Viejo Property Irrigation Systems: To prevent contaminants from entering the potable water supply through irrigation lines.
- Mission Viejo 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.
- Mission Viejo Property Fire Protection Systems: To prevent stagnant water from fire suppression systems from flowing back into the drinking water supply.
- Mission Viejo Property Auxiliary Water Sources: Properties with alternative water sources like wells or cisterns must install backflow prevention devices to prevent cross-contamination.
Property owners are responsible for installing backflow prevention assemblies as required by the city's regulations or or OCHCA. Installations must adhere to the city's standards, including specific device types and installation procedures.
Failure to install the required backflow prevention assemblies in compliance with Tustin regulations and requirements may result in the discontinuation of water service until compliance is achieved.
To ensure the continued effectiveness of backflow prevention assemblies, the following backflow testing and maintenance protocols are required in Mission Viejo:
- Annual Backflow Testing: Backflow prevention assemblies must be tested at least annually to ensure proper operation.
- Post-Installation or Repair Backflow Testing: Any new installation, relocation, or repair of a backflow device requires immediate testing to confirm correct operation.
- Backflow Test Record Keeping: Test results must be submitted to the appropriate regulatory agency to maintain compliance records.
- Mission Viejo Certified Backflow Testers: Tests must be conducted by individuals certified by recognized organizations, such as the American Water Works Association (AWWA) California-Nevada Section or the Orange County Health Care Agency.
- Approved Backflow Devices: Only backflow prevention assemblies listed by recognized testing agencies are permitted. The USC-FCCCHR provides a comprehensive list of approved devices.
Failure to conduct required backflow testing for Mission Viejo properties may lead to water service termination until the device is tested and found compliant.
The City of Mission Viejo 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.
These backflow devices must be installed immediately downstream of the water meter and must be approved by recognized testing agencies. The University of Southern California’s Foundation for Cross-Connection Control and Hydraulic Research (USC-FCCCHR) provides a comprehensive list of approved devices.
The appropriate device is determined based on the degree of hazard present at the property.
Proper testing and maintenance of backflow devices are essential for compliance with local regulations and for safeguarding community health.
The City of Mission Viejo has the following requirements for testing, certification, and documentation of backflow prevention assemblies:
- Annual Backflow Testing: Backflow prevention assemblies must be tested at least annually to ensure proper operation.
- Certified Backflow Testers: Tests must be conducted by individuals certified by recognized organizations, such as the American Water Works Association (AWWA) California-Nevada Section or the Orange County Health Care Agency.
- Backflow Documentation: Test results should be submitted to the appropriate city department or agency overseeing water quality.
- Failure to Test: Failure to conduct required testing may lead to water service termination until the device is tested and found compliant.
Mission Viejo Annual Backflow Testing Promotion Offer
Mission Viejo 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:
- Install City-approved backflow devices when directed by the City.
- Arrange for annual backflow testing and maintain detailed records of compliance.
- Promptly address device failures or test result deficiencies.
- Allow site access for inspections and water system evaluations.
- Understand that non-compliance may result in disconnection of water services or fines.
The City of Mission Viejo 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.
Below are the backflow inspection and installation guidelines for the City of Mission Viejo:
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.
The City of Mission Viejo implements strict Cross-Connection Control and Backflow Prevention regulations and ordinances require that all backflow prevention devices must be tested annually to ensure they are functioning properly. Tests must be conducted by a certified backflow prevention tester.
- 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 Mission Viejo cross-connection and backflow regulations are built upon a combination of local municipal code, state plumbing regulations, and county public health enforcement. These include:
- 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 more information or assistance, Mission Viejo property owners can contact:
Santa Margarita Water District (SMWD):
- Phone: (949) 459-6420
- Website: Mission Viejo - Annual Backflow Testing
For further guidance or assistance with backflow prevention compliance, contact the City of Mission Viejo Public Works Department for resources and support.
Here is an outline of special circumstances pertaining to backflow assembly installation, testing and repair which require special attention:
- Emergency Backflow Events: In the event of a suspected backflow or contamination issue, property owners should immediately contact the Public Works Department for assistance.
- Irrigation Systems: Properties with irrigation systems are required to have backflow prevention devices to prevent contamination from fertilizers or pesticides.
- Multi-Family and Commercial Properties: These properties may have more complex water systems and could be subject to more frequent inspections and advanced backflow prevention requirements.
Mission Viejo, located in southern Orange County, is a nationally acclaimed master-planned community recognized for its exceptional residential character, scenic landscape, and high standard of civic life. With a population of approximately 95,000, Mission Viejo is widely regarded as one of the safest and most desirable suburban cities in California, offering a balanced lifestyle rooted in family, recreation, and thoughtful urban planning.
Incorporated in 1988, Mission Viejo was one of the largest master-planned communities ever built under a single project in the United States. Developed by the Mission Viejo Company beginning in the 1960s, the city was meticulously designed around its topography, creating tree-lined streets, gently curving roadways, and neighborhoods that integrate harmoniously with the rolling hills of the Saddleback Valley. Its name, meaning “Old Mission” in Spanish, reflects the region’s early colonial and ranching heritage.
At the heart of the city lies Lake Mission Viejo, a man-made lake and recreational focal point that provides residents with opportunities for boating, fishing, swimming, and lakeside concerts. Surrounded by residential developments, parks, and clubhouse facilities, the lake serves as a central gathering place and a defining feature of the community.
Mission Viejo is best known for its strong residential appeal. Neighborhoods such as Pacific Hills, Aegean Hills, Casta del Sol, and Painted Trails feature a diverse mix of single-family homes, townhouses, and gated communities, many with panoramic views of hills, parks, or the lake. The city’s commitment to open space and aesthetic design is reflected in its well-maintained landscaping, community signage, and strict architectural guidelines that help preserve its cohesive suburban charm.
Parks and recreation are central to life in Mission Viejo. The city operates over 0 public parks and recreational facilities, including Oso Viejo Park, Cordova Park, Florence Joyner Olympiad Park and the World Cup Soccer Fields. The Montanoso and Sierra Recreation and Fitness Centers offer residents swimming pools, tennis courts, and wellness classes. Mission Viejo is also home to Marguerite Aquatics Complex, a premier swimming venue that has hosted international competitions and Olympic athletes.
Civic engagement and community services are anchored at Mission Viejo City Hall, a facility that also houses the Norman P. Murray Community and Senior Center, which offers lifelong learning, arts programs, and senior services. The city is served by the Orange County Sheriff's Department and Orange County Fire Authority, with strong records of public safety and emergency preparedness.
Education is a top priority for Mission Viejo families. The city is served by both the Saddleback Valley Unified School District (SVUSD) and the Capistrano Unified School District (CUSD). Schools such as Capistrano Valley High School, Trabuco Hills High School, and Newhart Middle School are recognized for their academic performance, arts programs, and athletic achievements. Private schools and nearby colleges, including Saddleback College, Concordia University, and University of California, Irvine, provide ample access to post-secondary education and training.
Economically, Mission Viejo is primarily residential but also supports a robust network of retail centers, medical offices, and professional services. The Shops at Mission Viejo, a regional shopping mall featuring luxury retailers, national chains, and restaurants, serves as the city’s primary commercial hub. The Mission Hospital Regional Medical Center, a state-of-the-art healthcare facility and one of the largest employers in the city, anchors a broader medical corridor that supports wellness and innovation.
Transportation access is excellent, with Interstate 5 running through the city and State Routes 241 and 73 nearby. Mission Viejo is also served by the Laguna Niguel/Mission Viejo Metrolink Station, providing rail connections to Los Angeles, Riverside, and San Diego counties. The city’s well-maintained streets, bike lanes, and walking trails support a commuter-friendly and environmentally conscious lifestyle.
Mission Viejo is consistently ranked among the top cities in the U.S. for safety, cleanliness, and resident satisfaction. Its municipal leadership is known for fiscal responsibility, long-term planning, and responsiveness to community input. Current initiatives include smart growth policies, sustainability programs, youth leadership development, and senior mobility services.
