BackFlow Certification Testing & Infrastructure
Backflow Testing & Certification in South Florida
Annual backflow preventer testing is required by most Florida municipalities — for homes with irrigation, commercial properties, restaurants, and fire suppression systems. We're certified to test, repair, and certify devices from 3/4" to 12" throughout Palm Beach, Martin, and St. Lucie Counties.
What Is a Backflow Preventer — and Why Does It Matter?
A backflow preventer is a device on your water line that stops contaminated water from flowing backward into the clean water supply. Without it, irrigation water, chemical runoff, or waste from a commercial process could potentially enter the drinking water system.
Across Palm Beach, Martin, and St. Lucie Counties, backflow preventers are required on homes with irrigation systems, commercial properties, restaurants, medical offices, and any property with a fire suppression connection to the public water supply. Each county's water utility requires annual testing by a certified tester, with results submitted directly to the authority.
We handle backflow certification for everything from a single-family home in Port St. Lucie to a 12-inch fire service backflow on a commercial building in West Palm Beach. If you've received a notice from your water utility, or you know your annual test is coming due, call us. (561) 589-5800
Backflow Services We Provide
Annual backflow testing and certification — results submitted to your water authority
Residential irrigation backflow testing
Commercial and industrial backflow testing
Fire suppression system backflow testing and certification
Backflow repair — failed devices repaired on-site when parts allow
Backflow replacement — full swap when repair is not cost-effective
New backflow installation — new construction, added irrigation, pool connections, fire systems
HOA and multi-property portfolio backflow programs
Restaurant and food service backflow compliance
Devices serviced from 3/4" through 12" — domestic and fire service
Serving all utilities in Palm Beach, Martin & St. Lucie Counties
Flat-Rate Pricing — No Surprises
We publish our pricing because you deserve to know what you're paying before we show up.
Backflow Certification (3/4" to 2") — $150.00
Backflow Certification (2.5" to 6") — $400.00
Water Heater Flush and Inspection — $100.00
Basic Tank Water Heater Installation — $1,078.85 (installation only, heater cost additional)
Need a size or service not listed? Call us. (561) 589-5800
HOAs, Property Managers, and Commercial Operators
If you manage multiple units, buildings, or commercial properties across Palm Beach, Martin, or St. Lucie Counties, we offer recurring backflow programs that handle annual testing across your entire portfolio. We manage the scheduling, testing, reporting, and submission to the water authority — so nothing falls through the cracks and your properties stay compliant year after year.
This is a service we provide regularly for HOAs, property management companies, commercial landlords, and restaurant groups throughout the Treasure Coast and Palm Beach area.
Backflow prevention isn't optional — it's a code requirement that protects the entire public water supply. When a backflow preventer fails, is improperly installed, or goes uncertified, the consequences range from costly fines and permit holds to genuine contamination risks that put your tenants, employees, customers, and community at risk. Carhart Plumbing is the South Florida contractor that general contractors, property managers, HOAs, municipalities, and business owners call when they need backflow handled correctly — from infrastructure planning through annual certification.
Why Choose Us
Your water supply is only as safe as the systems protecting it. Carhart Plumbing provides comprehensive backflow infrastructure development, testing, and certification services for residential properties, commercial facilities, and new construction projects throughout Palm Beach, Martin, and St. Lucie Counties. We keep your system compliant, your water clean, and your documentation in order — so you never face a failed inspection or a lapsed certification.
Services Challenges
CHALLENGES & SOLUTIONS
The compliance gaps and infrastructure failures that put your water supply — and your project — at risk.
Backflow issues rarely announce themselves before they become expensive problems. Failed certifications, improper assemblies, and lapsed renewals create regulatory exposure, permit holds, and in serious cases, real contamination events. At Carhart Plumbing, we've seen every variation of what goes wrong — and we've built our process to prevent all of it.
Lapsed annual certifications and missed renewal deadlines — We track certification schedules for all of your devices and send proactive reminders before due dates, so you never receive a violation notice from your water utility or local municipality.
Wrong assembly specified for the hazard level — Not every backflow preventer is appropriate for every application. We assess your specific hazard classification and install the correct ASSE-listed assembly the first time — eliminating the cost and delay of having to replace a non-compliant device after a failed inspection.
Failed tests and rejected certifications — When an assembly fails a test, most contractors stop there. We diagnose the cause, repair or replace the device on the spot when possible, and retest immediately — keeping your timeline intact and your utility satisfied.
Missing or incomplete documentation submitted to water authorities — We handle certified test report submission directly to your water utility, maintaining a complete paper trail so your compliance records are always current, accessible, and defensible.
New construction backflow infrastructure planned too late — Specifying backflow assemblies as an afterthought creates conflicts with other systems and costly change orders. We engage during the design phase to coordinate placement, sizing, and access requirements before a single pipe goes in the ground.
Multi-property compliance management with no centralized tracking — For property management companies and HOAs managing dozens of locations, keeping backflow certifications current across a portfolio is a persistent headache. We provide a managed certification program that centralizes tracking, scheduling, and reporting so nothing is missed across any property you manage.
Our Process
01
Project Planning
Every successful plumbing project starts with a clear plan. At Carhart Plumbing, we take a structured approach to every job, helping ensure quality workmanship, efficient scheduling and installation.
02
Value Engineering
We evaluate materials, installation methods, to identify the most efficient plumbing solution. Our goal is to help reduce waste, avoid unnecessary expenses, and deliver dependable results.
03
Project Execution
Once the plan is set, our team gets to work. We manage the plumbing scope with quality, safety, and clear communication—keeping the jobsite organized and the project moving from start to finish.
04
Project Delivery
We perform final inspections, quality checks, and system reviews to make sure the plumbing work is finished correctly. Our goal is to deliver durable results that perform long term and leave every customer confident in the work completed.
Testimonials
What Our Clients Say About Working With Us
From initial planning to final delivery, our clients value our commitment to quality, communication, and reliable project execution.
Your Next Plumbing
Project Starts Here
From everyday repairs to water heaters, backflows, remodel plumbing, and ongoing maintenance, Carhart Plumbing makes it simple to get the job done right. We show up prepared, communicate clearly, and deliver dependable plumbing solutions for homes and businesses throughout South Florida.
Schedule Service Today
Fast response. Honest work. Professional results.