Backflow Testing and Certification: Required Annual Sprinkler System Testing

Licensed Backflow Testing for Compliance with Denver Water and Local Regulations

You received a notice from Denver Water requiring annual backflow testing for your irrigation system. You're not sure what backflow prevention is, why it matters, or who can perform the required testing. Missing the deadline means potential fines, water service interruption, or worse, contaminating your home's drinking water supply.

At Sunlight Sprinkler, we provide professional backflow testing and certification services that keep you compliant with local water district regulations. Our certified technicians test your backflow preventer, complete required paperwork, and submit results directly to your water district. With over 26 years of irrigation expertise, we make backflow compliance simple and hassle-free.

Why Backflow Testing Is Required

Backflow preventers protect your drinking water supply from contamination. When water pressure drops unexpectedly in city water lines, contaminated water from irrigation systems can flow backward into your home's potable water supply. Fertilizers, pesticides, bacteria from soil, and stagnant water could enter the clean water system, creating serious health hazards.

This isn't just bureaucracy; it's essential safety.

Backflow preventers contain mechanical valves and checks that prevent reverse water flow. Like any mechanical device, they wear out, collect debris, and fail over time. Annual testing verifies these critical safety devices still function properly. Water districts mandate testing because public health depends on maintaining safe drinking water throughout the entire distribution system.

What Backflow Testing Includes

• Device Inspection — Visual examination of the backflow preventer for damage, leaks, or obvious problems
• Pressure Testing — Precise measurement of valve operation using calibrated test equipment
• Check Valve Testing — Verification that check valves seal properly and prevent reverse flow
• Relief Valve Testing — Confirmation that relief valves open at correct pressure differential
• Complete Documentation — Detailed test report showing all measurements and pass/fail status
• Official Certification — State-required certification that testing was performed by licensed tester
• Direct Reporting — We submit test results directly to your water district for compliance
• Repair Recommendations — Clear explanation if repairs are needed, with cost estimates

When Backflow Testing Is Required

Annual Testing Mandate

Most Colorado water districts require annual backflow testing for all irrigation systems connected to potable water supplies. Testing must be performed by state-certified testers and reported to your water district within specified timeframes.

New Installation Testing

Newly installed backflow preventers require initial testing and certification before your irrigation system can be legally activated. This ensures devices function properly from the start.

After Repairs or Replacement

Any time a backflow preventer is repaired or replaced, new testing is required to verify proper operation before returning the system to service.

Property Transfers

Some jurisdictions require current backflow testing during property sales. Sellers must demonstrate compliance with testing requirements as part of the transaction.

What Happens If Your Device Fails Testing

Common Failure Causes

Backflow preventers fail testing due to worn valve seals, debris accumulation, spring fatigue, or damaged components. Most failures result from normal wear rather than catastrophic damage.

Repair or Replacement Options

Many failed devices can be repaired by replacing internal parts like rubber seals, springs, and check valves. Complete replacement is necessary when housings crack or internal damage is extensive. We provide clear recommendations and pricing for either option.

Same-Visit Repairs When Possible

Our technicians carry common repair parts and can often fix failed devices during the testing visit. This saves you time and gets you back into compliance immediately.

Compliance Timeline

Water districts typically allow 30 days to repair failed devices and complete retesting. We work quickly to ensure you meet these deadlines and avoid penalties.

Why Choose Sunlight Sprinkler for Backflow Testing

State-Certified Testers

Our technicians hold required state certifications for backflow testing. We use calibrated test equipment and follow proper testing procedures to ensure legally valid results.

Irrigation System Expertise

With 26+ years in irrigation service, we understand how backflow preventers integrate with sprinkler systems. We can diagnose related problems and recommend solutions beyond just testing.

Complete Service

We handle everything from testing through reporting to your water district. You don't need to file paperwork or worry about compliance deadlines. We take care of the entire process.

Competitive Pricing

Our backflow testing fees are competitive with other certified testers, and we often identify opportunities to combine testing with other irrigation services for additional value.

Convenient Scheduling

We offer flexible appointment times that work with your schedule. Many customers combine backflow testing with spring activation or fall winterization for maximum convenience.

Trusted by Denver's Premier Properties

Our reputation speaks through the clients who trust us with their most valuable landscapes. We're proud to serve notable organizations including Castle Pines Golf Club, Denver Art Museum, Tallyns Reach Metropolitan District and HOA, Arapahoe Community College, and Castle Pines Village and Metropolitan District.

Understanding Backflow Preventer Types

Pressure Vacuum Breaker (PVB)

The most common type for residential irrigation systems. Must be installed above all downstream piping and sprinkler heads. Generally located above ground in a visible location.

Reduced Pressure Zone (RPZ)

Provides maximum protection and is required in some high-hazard situations. Can be installed above or below ground. More complex and typically more expensive than PVBs.

Double Check Valve (DC)

Simpler design used in lower-hazard applications. Not approved for irrigation systems in most jurisdictions due to inadequate protection level.

Atmospheric Vacuum Breaker (AVB)

Simple devices installed on individual hose connections. Not suitable for permanent irrigation systems but common on outdoor faucets.

Service Areas Throughout Denver Metro

Sunlight Sprinkler provides certified backflow testing throughout Denver and all south metro suburbs. Our local presence ensures convenient scheduling and fast service.

• Aurora Backflow Testing

• Castle Pines Backflow Testing

• Castle Rock Backflow Testing

• Centennial Backflow Testing

• Denver Backflow Testing

• Englewood Backflow Testing

• Greenwood Village Backflow Testing

• Highlands Ranch Backflow Testing

• Lakewood Backflow Testing

• Lone Tree Backflow Testing

• Parker Backflow Testing

• South Denver Metro Backflow Testing

Need backflow testing or certification? Call 303-801-2494 or text us to schedule!

Frequently Asked Questions About Backflow Testing

How much does backflow testing cost?

Backflow testing typically costs $75-$125 depending on device type and accessibility. This includes testing, certification, and reporting to your water district. If repairs are needed, those are quoted separately based on required parts and labor.

How long does backflow testing take?

Most backflow tests complete in 15-30 minutes. If repairs are needed, additional time is required depending on the specific issue. We'll give you an accurate estimate if repairs become necessary.

How often is backflow testing required?

Most Colorado water districts require annual testing. Some jurisdictions have different schedules, so check with your specific water provider. We'll let you know your district's requirements and help you stay compliant.

What happens if I don't get my backflow tested?

Failure to comply with testing requirements can result in fines, water service interruption, or legal liability if contamination occurs. Water districts take backflow compliance seriously and enforce testing mandates.

Can I test my own backflow preventer?

No. Testing must be performed by state-certified backflow testers using calibrated equipment. DIY testing doesn't meet legal requirements and won't satisfy water district compliance mandates.

When should I schedule my annual test?

Most customers schedule backflow testing during spring activation. This combines two required services into one appointment for maximum convenience. Testing can be performed any time during the year as long as you meet your water district's deadline.

What if my backflow preventer fails the test?

We'll explain exactly what failed and why, provide repair or replacement options with clear pricing, and complete necessary repairs quickly. Most repairs finish the same day, allowing immediate retesting and compliance.

Do you submit test results to my water district?

Yes. We complete all required paperwork and submit test results directly to your water district. You don't need to handle any compliance documentation—we take care of everything.

Combine Testing with Other Services

Spring Activation Package

Schedule backflow testing during spring activation for maximum convenience. We test your backflow preventer, then activate your entire system in one efficient visit.

System Repair Coordination

If backflow testing reveals issues, we can address irrigation system repairs simultaneously. This integrated approach saves time and ensures your complete system operates properly.

Annual Maintenance Plans

Include backflow testing in comprehensive maintenance plans covering spring activation, mid-season service, and fall winterization. Annual plans ensure you never miss testing deadlines and receive the best pricing.

Ready for Compliant Backflow Testing?

Don't risk fines, water service interruption, or drinking water contamination. Sunlight Sprinkler provides professional backflow testing by certified technicians that keeps you compliant with all water district requirements. We handle testing, certification, reporting, and any necessary repairs.

We're fully licensed and insured. Our technicians hold required state certifications. We use calibrated equipment and follow proper procedures. Most importantly, we make backflow compliance simple and hassle-free.

Call 303-801-2494 or text us now to schedule your backflow testing. We serve all of Denver and south metro suburbs with certified testing that meets all regulatory requirements.