How often does a backflow preventer need testing?

Annually in most Denver-area jurisdictions, and after any repair or relocation of the assembly.

Do homes need backflow testing?

Typically only if there is an irrigation system, a boiler, or another cross-connection. Most straight residential plumbing does not carry the requirement.

My device is dumping water. Is that normal?

Continuous discharge from the relief port means a failed check. It needs a rebuild, not a plugged port.

Can a frozen assembly be repaired?

Sometimes with a rebuild kit. A cracked body has to be replaced. Draining the device before winter prevents most of it.

How much does a plumber cost in the Denver metro?

Cost depends on the job, not a flat menu. Afford-A-Rooter scopes the work first, then gives you a free quote before anything starts, so you approve the number in advance. Drain and rooter calls sit at the lower end. Sewer line and water line repairs sit higher because they involve locating, access, and restoration.

How fast can you get here, and how long will the work take?

Most standard repairs are booked for the next available window and finished in one visit. Drain cleaning and fixture work usually take a few hours. Sewer and water line work can take a day or more because of excavation and inspection. You get a realistic time window up front, not a guess.

Do you handle emergency plumbing at night and on weekends?

Yes. Afford-A-Rooter runs 24/7 emergency plumbing across the Denver metro. Call for active leaks, sewage backups, no hot water, and burst pipes. Shut off the water at the main valve first, then call so we can stage the right truck.

Is your plumbing work guaranteed, and are you licensed?

Afford-A-Rooter is a Colorado Master Plumber and licensed Colorado State Plumbing Contractor, family owned and serving Denver since 2006. Work is performed to code, permitted where required, and backed by a workmanship guarantee. Manufacturer warranties apply to installed equipment such as water heaters.

Backflow Preventer Testing and Installation, Denver CO

A backflow preventer stops contaminated water from being pulled back into the drinking supply. Irrigation systems, boilers, and most commercial properties are required to have one, and required to have it tested on a schedule by a certified tester.

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Annual testing for irrigation and commercial assemblies
Repair and rebuild when a device fails its test
Paperwork completed for the water purveyor

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What it is

Backflow preventer testing Backflow preventer testing is an inspection of a backflow prevention device to confirm it still stops contaminated water from flowing backward into the clean drinking water supply.

Many Denver-area water providers require annual backflow testing on irrigation systems and certain plumbing setups, so a missed test can put a homeowner out of compliance.

Testing is a compliance requirement, not a suggestion

Water providers require certified annual testing on backflow assemblies serving irrigation, fire lines, and commercial fixtures. A failed or untested device can mean a notice, a fine, or a shutoff. The test itself is quick when the device is accessible and healthy.

Certified testing with calibrated gauges
Rebuild kits for common assemblies rather than automatic replacement
New installs sized and placed for future testability
Reports filed so your records stay current

When you need backflow service

Annual test notice from your water provider
New irrigation system or commercial fixture install
Device is leaking or dumping water from the relief port
Property changed hands and records are missing
The assembly froze over winter and was not drained

Wider view of the work area, backflow preventer assembly and brass test kit on a water line in a Denver mechanical room

What the service covers

Certified test of the assembly with calibrated equipment
Identification of device type: RPZ, double check, PVB, or AVB
Rebuild or repair of failed check valves and relief ports
Replacement when the body is cracked from freezing
Correct installation height and clearance for future testing
Test report completed and submitted

What to expect and how the work gets done

1
Locate and identify
Find the assembly and record make, model, size, and serial number.
2
Test
Run the certified test procedure and record the readings.
3
Repair if needed
Rebuild the failed component and retest rather than replacing outright.
4
Report
Complete the paperwork the water provider requires.

Credentials, reviews, and company proof

Colorado Master PlumberFixture and appliance work is permitted and code-compliant, not handyman work.
Plumbing Contractor license 2110Licensed to pull permits and pass inspection on gas, water, and drain work.
Serving Denver since 2006Two decades of Front Range water chemistry, altitude, and inspection practice.

Ready when you are

Tell us what is happening and your Denver neighborhood. We will route it fast.

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What affects backflow cost

A passing test on an accessible device is the simple case. Freeze damage is the expensive one.

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Need help right now? 24/7 emergency plumbing service. Planning a larger repair? See financing options.

Device size and type, since RPZ assemblies take longer than a double check
Number of assemblies on the property
Access, including vaults, crawlspaces, and locked enclosures
Rebuild kit versus full assembly replacement
Freeze damage repairs on a device that was not winterized
New install piping, supports, and drainage for a relief discharge

Frequently asked questions

Colorado Master Plumber
License MP-00189274
Colorado State Plumbing Contractor
License 2110
Family Owned & Operated
Serving Denver since 2006, 20 years
Better Business Bureau
Accredited Business, A+ rating
Angie's List Super Service Award
2012 through 2017
Serving Denver since 2006
Residential and commercial properties across the metro

More plumbing help from Afford-A-Rooter

Due for your annual backflow test?

Certified testing with the report filed for you.

Get a Free Quote (720) 296-7972