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Wednesday, April 2, 2025

Backflow Device Testing and HB25-1077

In January and February 2025, the Water Quality Control Division (WQCD) provided testimony to the Colorado legislature in support of HB25-1077 that would allow certified cross-connection control technicians to inspect, test, and repair backflow prevention devices as they had up until the 2024 Colorado legislative session. House Bill 24-1344, which became effective on July 1, 2024, included a change that required licensed plumbers to inspect, test, and repair backflow prevention devices. The WQCD received widespread concern from public water systems and certified cross-connection control technicians about the legislation. CDPHE Executive Director Jill Hunsaker Ryan sent a letter to the Colorado State Plumbing Board requesting that the Board prioritize public health by delaying disciplinary actions against certified cross-connection control technicians (who are not licensed plumbers) that test and repair backflow prevention devices, per longstanding practice. The letter also underscored the risk to public health, as it is estimated that approximately 200,000 devices are subject to Regulation 11, but there are only 2,400 certified cross-connection control technicians in Colorado, and only approximately 20% of these certified technicians are also licensed plumbers. An estimated 20% of existing devices fail testing on average, and 80% of new devices fail testing due to remnants such as teflon tape and plumbing putty. Failed devices can allow water systems to become contaminated, which underlines the importance of this overall effort. The State Plumbing Board responded to the request in July 2024 by issuing a temporary enforcement policy to allow the administrative dismissal of complaints against certified cross-connection control technicians until April 1, 2025. In February 2025, the State Plumbing Board extended the temporary enforcement policy until June 1, 2025 (policy statement dated February 26, 2025 at Section 2.4.9).

Amendments to HB25-1077

Two amendments were presented to and passed by the House Committee on Business Affairs & Labor. Amendment L.002 establishes that installations of backflow prevention devices on stand-alone fire suppression systems would not require a licensed plumber. Amendment L.004 requires tagging of devices with certain information when services are performed, starting on July 1, 2025. This requirement applies when licensed plumbers install, test, inspect, repair, or reinstall backflow prevention devices, as well as when certified cross-connection control technicians or licensed plumbers with a cross-connection control technician certificate test or repair a backflow prevention device. The amendment also specifies information that must be included on the tag: the name and contact information for the business, the date the service was provided, a description of the service, and the ASSE or ABPA certification number of the cross-connection control technician. If the certified technician who performed the service is also a licensed plumber, the tag must include the plumber’s license number, along with the plumbing contractor’s registration number or the license number of the master plumber attached to the contractor.

What does this mean for my water system?

Consistent with Section 3 of Amendment L.004, the WQCD does not intend to perform inspections or enforce the tagging requirements. WQCD Field Services inspectors frequently observe testing tags on backflow devices while conducting sanitary surveys; however, we also recognize that tags can be removed or fall off. Upon HB25-1077 becoming law, CDPHE encourages water systems to check that the licensed plumbers and certified cross-connection control technicians are complying with the tagging requirement as they have their own devices in water treatment plants and other facilities serviced. 

What happens next?

HB25-1077 was signed into law by Governor Polis on March 28, 2025 and the bill can be seen here. This is a major win for safe drinking water in Colorado. Water suppliers are encouraged to continue to implement their Backflow and Cross Connection Control Programs (BPCCC) utilizing certified cross-connection control technicians to test and repair devices to ensure they are protecting the public. For any questions or concerns about BPCCC please email our Field Services team at cdphe_wqcd_fss_questions@state.co.us. Thank you for all your efforts to protect public health!

➽Heather Young, PE, CWP, Field Services Section Manager


Go with the Flow: Your Guide to Becoming a Certified Water Operator


Imagine you are a small business owner operating a water system that is located in a remote area of Colorado, away from major population centers. You have a certified water operator running your water system, and you’re planning on opening another business, but your trusted contract operator just told you that they cannot take on any more work. You got to thinking - maybe we can move operations in-house? What would it take to get someone on my team who lives in the area certified as a water operator? Here’s what it takes!

Remember, proper operation of a water system is vital to protect public health. It takes considerable knowledge and skills, but these can be gained with a reasonable amount of time and effort. On average, it takes about 6-12 months to become certified, depending on how much time you can invest in the process. This article includes the following information relevant to becoming a certified operator in Colorado:

  1. Regulations governing drinking water (DW) and wastewater (WW) operators.
  2. Obtaining an operator ID from the Colorado Certified Water Professionals (CCWP).
  3. Minimum qualifying experience.
  4. Training resources to prepare for an operator certification exam.
  5. Training Units (TUs).
  6. Operator certification exam.
  7. Compliance assistance - CDPHE’s Drinking Water Portal, sampling and resources.

1. Regulations governing drinking water (DW) and wastewater (WW) operators

Regulation 100, Water and Wastewater Facility Operators Certification Requirements,  specifies the pertinent information about being an operator, including owner & operator duties, facility classifications, certification qualifications, education, experience, and fees. Colorado-certified operators are subject to the Colorado Certified Water Professionals Code of Conduct and are also responsible for being knowledgeable of the Water and Wastewater Facility Operators Certification Board (board) Policies and Guidance documents, which you can find on the board’s website

If you are thinking about becoming a drinking water operator, you will want to develop an understanding of Regulation 11. This document houses the state of Colorado’s primary drinking water regulations. It is not expected that you memorize this information, however, this regulation is a good resource to understand why requirements are put into place at specific water systems. 

2. Obtaining an operator ID from the Colorado Certified Water Professionals

After reviewing the above information, your first step will be to create a Colorado Certified Water Professionals (CCWP) Portal account and obtain an Operator ID number. The instructions on how to do so and how to apply for certification and sit for an exam can be found on CCWP's website. You can also find helpful videos on operating the CCWP Portal

If you need assistance setting up your operator account in the CCWP Portal or entering your information into your portal account, please contact CCWP at (719) 225-7339 or info@coloradocwp.com.

3. Minimum qualifying experience

Applicants for entry-level certification examinations (Class D, Class 1, or Class S) must satisfy a one-month experience requirement or the successful completion of an approved training course of study that is designed to prepare the operator to operate Class D or Class 1 facilities. Per 100.14.5(k)(i), Regulation 100, experience needs to be obtained under the supervision of a certified operator in responsible charge.

The division provides other free training opportunities that include various online options. You can also find several other training providers in Colorado that provide approved courses by simply Googling "water operator training Colorado." All approved courses can be found in the Course Catalog, and you can also filter for those courses that have been "Approved for regulatory water training" and "Approved as substitution for entry-level operating experience." All individuals seeking their professional water operator certification are required to have either 30 days of relevant operational experience, or the substitutive educational credit. The CCWP portal will allow you to calculate your relevant experience and educational hours to determine that you have met the requirements. Please reach out to CCWP if you have any questions about this process.

4. Training resources to prepare for an operator certification exam

The CCWP Need to Know Criteria Page contains information on the exam and study resources to prepare for your exam. It is recommended that you work in the CCWP portal and contact the CCWP office to see how your previous work experience translates. CCWP staff are extremely knowledgeable and more than happy to assist in understanding the portal application process or to answer any questions on whether information is being accurately represented on an application.

The CCWP’s Certification Exam Guidance outlines the certification requirements necessary for becoming an operator.  It covers the education, training, exam review process, and exam procedures. Be sure to identify what level of certification your facility will require. If you are a small business owner, many small systems may require a Class “D” treatment certification & Class “1” distribution system certification, which would mean you will be applying for entry-level certification. Depending on the population served and treatment & distribution requirements, you may also be able to obtain a Class “S” or small systems certification per regulation 100.10.5 (d).

Some free resources for training and exam prep include: 

There are some at-cost options for training as well, such as the American Water Works Association (AWWA), which has an operator certification exam prep app to prepare for the examination.

5. Training Units (TUs)

Certified operators are required to obtain Training Units (TUs) to obtain their initial certification; they are also required to meet continuing education requirements to maintain each certification. To determine the appropriate number of training units required for certification renewal, please refer to table 100.16.7 provided in Regulation 100. 

You will be required to sit for a Mandatory Regulatory Training (MRT) course to apply for a certification.  Once you have your Operator ID. The CDPHE has contracted with Indigo Water group, you can also take the free, on-demand virtual Mandatory & Regulatory Training courses by following the instructions provided on the MRT website

6. Operator certification exam

Once you have met all of the certification and training unit requirements, and you feel adequately prepared to take the exam, schedule your exam at one of the ten locations or online. You will get a registration email from CCWP for this step. The exam will take the better part of the day, but you worked so hard to prepare, so don’t be nervous. You can do it!

This handbook for Colorado candidates breaks down all of the expectations for taking the exam. You can find additional information from CCWP about the exam process here

7. Compliance assistance - CDPHE’s Drinking Water Portal, sampling, and resources

You will want to be familiar with the CDPHE's Drinking Water Resources for Water Systems page. This page houses many of the links that you will find yourself regularly using in your interactions with the state. The Compliance Assurance page can help you find your Compliance Specialist for your water system, sign up for a Drinking Water Portal account, and find guidance for a variety of topics. The Drinking Water Portal is where you will submit all of your water systems’ documentation to the state. Your compliance specialist is your direct contact at the State for all things drinking water regulations and can help you with any questions you may have. We’re here to assist you!

Another important page is the monitoring schedule page, which outlines all required testing for your water system. This is where you can check if your sample results have been received or if there are any upcoming deadlines for your water system. Since your primary duty as an operator is collecting and reporting samples, here is a list of certified laboratories approved for testing and information on appropriate sample reporting to the state. You can find many other resources on operator certification in our Aqua Talk Articles.

If it's the right time for you or someone on your team, we salute the choice to become a member of the respected certified operator community and wish you the best of luck as you navigate this new challenge. We welcome you as you take on a new role in helping us meet our public health protection mission and helping assure that drinking water is always safe.

➽ Leah York, Drinking Water Compliance Specialist

➽ Lisa Pietrangelo, Drinking Water Compliance Specialist