FBT

Backflow Testing Services in Centennial, Colorado

Finding a reliable backflow testing professional in Centennial, Colorado is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 15 backflow testing companies serving Centennial and surrounding communities including Highlands Ranch, Parker, Englewood.

Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Centennial area.

Most water authorities in Colorado require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.

Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Centennial directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.

Data source: Google Maps. Always verify licensing with your local water authority.

15 listed providers

Services:
EZ Repair backflow testing
Testing Verified
7 mi

EZ Repair

5.0(52)

Testing Verified · Denver, CO · 7 mi

Backflow TestingEmergency ServiceFree Estimates
Website
Blue Sky Plumbing, Heating, Cooling & Electric backflow testing
Testing Verified
7 mi

Blue Sky Plumbing, Heating, Cooling & Electric

4.9(631)

Testing Verified · Denver, CO · 7 mi

Backflow TestingCommercialEmergency Service
Website
DB
Testing Verified
9 mi

Denver Backflow Specialists

5.0(6)

Testing Verified · Denver, CO · 9 mi

Backflow TestingPreventer RepairCross-Connection Control

Dan has been a great contact for the annual backflow testing required by the city. He shows up on time, quick to perform service, and sends annual reminders to ensure I don’t forget. Will be using…

Read more on Google
Website
Denver Sewer And Water backflow testing
10 mi

Denver Sewer And Water

5.0(14)

Denver, CO · 10 mi

Emergency ServiceFree Estimates
Website
Hyper Flow Service backflow testing
10 mi

Hyper Flow Service

4.9(528)

Denver, CO · 10 mi

CommercialEmergency ServiceFree Estimates
Website
Backflow Consulting and Training backflow testing
Testing Verified
12 mi

Backflow Consulting and Training

4.7(21)

Testing Verified · Aurora, CO · 12 mi

Backflow TestingPreventer Repair

I am so pleased with the work our technician. Eric was friendly, professional, on time, and respectful of our time and space. He was wonderful to work with and I am grateful for getting our issue…

Read more on Google
Website
Test Gauge Inc - CO backflow testing
Testing Verified
12 mi

Test Gauge Inc - CO

5.0(5)

Testing Verified · Aurora, CO · 12 mi

Backflow TestingPreventer Repair
Website
Denver Water backflow testing
13 mi

Denver Water

2.9(114)

Denver, CO · 13 mi

Cross-Connection Control
Website
Maven Fire Protection Services LLC backflow testing
Testing Verified
13 mi

Maven Fire Protection Services LLC

5.0(10)

Testing Verified · Denver, CO · 13 mi

Backflow TestingEmergency Service
Website
A -1 Plumbing Co. backflow testing
14 mi

A -1 Plumbing Co.

4.6(28)

Denver, CO · 14 mi

Commercial
Website
Apex Irrigation backflow testing
14 mi

Apex Irrigation

4.4(102)

Lakewood, CO · 14 mi

Preventer Repair
Website
J.S. Sprinklers & Aeration backflow testing
15 mi

J.S. Sprinklers & Aeration

5.0(69)

Denver, CO · 15 mi

Preventer Repair
Website
Backflow Tech backflow testing
16 mi

Backflow Tech

4.2(17)

Lakewood, CO · 16 mi

Backflow TestingDCVA TestingPreventer Installation

We have three locations that needed service. Janet at Backflow Tech jumped right in and took great care of us. It is always nice to find a company that has the same customer service mindset as…

Read more on Google
Website
Brothers Plumbing, Heating & Electric backflow testing
17 mi

Brothers Plumbing, Heating & Electric

4.7(8,509)

Denver, CO · 17 mi

Same Day Service
Website
Blue Sky Plumbing, Heating, Cooling & Electric backflow testing
Testing Verified
19 mi

Blue Sky Plumbing, Heating, Cooling & Electric

4.8(4,251)

Testing Verified · Wheat Ridge, CO · 19 mi

Backflow TestingCommercialEmergency Service
Website

Frequently Asked Questions About Backflow Testing in Centennial

If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Centennial can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.

Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Colorado require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Colorado require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Centennial can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.

Some certified testers near Centennial offer same-day or emergency scheduling for urgent situations such as a failed device, a compliance deadline, or a new construction inspection. Check individual provider listings above for availability, or request a quote to find a tester who can accommodate your schedule.

Look for testers with active state certification, strong Google reviews, and experience with your type of backflow preventer (PVB, DCVA, or RPZ). Ask whether they file compliance reports with your local water authority and request a written estimate before scheduling. Our directory lists testers near Centennial with real customer reviews.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.