Colorado backflow tester certification: Complete 2026 Guide

Official-source review: August 24, 2026

Colorado backflow tester certification: Colorado certifies cross-connection control technicians through its drinking-water program. Current law allows certified technicians to inspect, test and repair backflow prevention devices, while installation, replacement and associated plumbing scope can require a licensed plumber and local permit.

Fast answer: Complete an accepted training and examination route, obtain Colorado technician certification, maintain calibration and renewal, enroll with the destination water supplier, and use licensed plumbing authority where the work exceeds tester scope.

Colorado backflow tester certification authority experience exams fees insurance renewal — Colorado requirements summarized from the responsible agencies. Local permits, employers and certifying bodies may impose additional conditions.

What the Colorado backflow tester certification covers

Colorado certifies cross-connection control technicians through its drinking-water program. Current law allows certified technicians to inspect, test and repair backflow prevention devices, while installation, replacement and associated plumbing scope can require a licensed plumber and local permit.

Inspection, testing and permitted repair of backflow assemblies under certification and water-system rules.
Work only within the credential issued.
Obtain every local permit and inspection.

Compare related occupations and states in the License Finder.

Colorado backflow tester certification requirements at a glance

Requirement	Current rule or route
Route	Colorado Certified Cross-Connection Control Technician certification plus water-supplier enrollment and plumbing authority for broader work
Experience	Meet the approved certification-program prerequisites and current state eligibility conditions.
Exam	Pass the approved written and practical cross-connection control technician examination.
Fees	Training, examination, certification, equipment calibration, utility enrollment and plumbing fees apply.
Insurance or bond	Maintain business, workers compensation and project coverage required by the credential and local authority.
Renewal	Renew the technician certification and utility enrollment on their respective cycles.

Do not treat this table as an approval notice. The agency, certification organization or local jurisdiction makes the final eligibility decision and may request additional evidence.

How to complete the Colorado backflow tester certification process

Identify the state and local credentials triggered by the work.
Complete required education and documented experience.
Obtain approval and pass each examination.
Submit applications, records and fees.
Complete insurance, business and permit requirements.
Renew on time and retain compliance records.

Keep copies of every experience certificate, examination result, bond or insurance filing and payment receipt. Names and business entities should match across the application and supporting documents.

Important Colorado rules and boundaries

Individual and contractor credentials may be separate.
State licensing does not replace local permits.
Related classifications are not interchangeable.
The responsible authority makes the final eligibility decision.

Colorado may separate the credential held by a worker from the contractor license held by the business, while preserving local authority over permits and inspections. Confirm every applicable layer before bidding, advertising or beginning regulated work.

Colorado backflow tester certification cost and renewal

Budget separately for applications, examinations, training, insurance, business filings and permits.

Renew each state and local credential separately and verify current charges before filing.

Government charges are only part of the expected cost. Training, examination preparation, fingerprints, surety premiums, insurance, equipment calibration and local permits can add to the total.

Colorado backflow tester certification checklist

Confirm that this credential matches the exact work you will perform.
Check whether the applicant is an individual, sole owner or separate business entity.
Collect experience and training records before submitting the application.
Use the current official form and fee schedule.
Complete every required examination or approved certification route.
File bonds, insurance and fingerprints when applicable.
Check county, city, water supplier and building-permit rules.
Save the expiration date and renewal requirements.

Frequently asked questions

Is this credential statewide?

The guide identifies whether authority is statewide or local; permits and inspections remain project-specific.

Is an exam required?

Pass the approved written and practical cross-connection control technician examination.

When does it renew?

Renew the technician certification and utility enrollment on their respective cycles.

Are local permits separate?

Yes.

Official sources used

Verified licensing details

Licensing authority: Colorado Department of Public Health and Environment
Fees: Training, examination, certification, equipment calibration, utility enrollment and plumbing fees apply.
Experience: Meet the approved certification-program prerequisites and current state eligibility conditions.
Exams: Pass the approved written and practical cross-connection control technician examination.
Insurance or bond: Maintain business, workers compensation and project coverage required by the credential and local authority.
Continuing education: Complete renewal education and maintain test-equipment calibration.
Renewal period: Renew the technician certification and utility enrollment on their respective cycles.

Official sources

Official sources last checked August 23, 2026.

Requirements can change and local rules may apply. Confirm the current requirements with the official authority before paying a fee or beginning work.