Backflow Testing Services in Littleton, Colorado
Finding a reliable backflow testing professional in Littleton, Colorado is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 15 backflow testing companies serving Littleton and surrounding communities including Englewood, Highlands Ranch, Ken Caryl.
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 Littleton 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 Littleton 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
Denver Backflow Specialists
Testing Verified · Denver, CO · 5 mi
“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…”
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Blue Sky Plumbing, Heating, Cooling & Electric
Testing Verified · Denver, CO · 7 mi

Backflow Tech
Lakewood, CO · 9 mi
“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…”
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Maven Fire Protection Services LLC
Testing Verified · Denver, CO · 12 mi

Blue Sky Plumbing, Heating, Cooling & Electric
Testing Verified · Wheat Ridge, CO · 13 mi

Backflow Consulting and Training
Testing Verified · Aurora, CO · 14 mi
“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…”
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Helpful resources
Frequently Asked Questions About Backflow Testing in Littleton
Many certified backflow testers in Littleton will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.
Backflow testing in Littleton, Colorado typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Littleton area.
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 Littleton 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 Littleton can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
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