Backflow occurs when water reverses direction in the plumbing system and flows backward into the clean (potable) water supply, potentially introducing contaminants such as mud, fertilizers, pesticides, chemicals, or waste.

Can Associated Plumbers install or repair backflow preventers?

Yes. Associated Plumbers installs, tests, repairs, and replaces backflow prevention devices for residential and commercial properties in Little Rock and Central Arkansas. Call 501-666-9483.

Who needs annual backflow testing in Little Rock?

Commercial properties, irrigation systems, and many residential installations with cross-connections are required to have annual testing under Arkansas law and local water authority rules.

Backflow Testing & Prevention FAQ Little Rock | Annual Testing & Installation

Q: How does a backflow preventer work?

Most backflow prevention devices use mechanical check valves that allow water to flow in only one direction. When pressure drops or reverses, the valves close automatically to stop contaminated water from entering the clean water supply.

Q: What causes backflow?

Backflow can be caused by water main breaks, power outages, temporary water shut-offs during repairs, high community water demand (such as firefighting), or equipment that creates higher pressure than the supply lines.

What Is Backflow?

What is backflow?

Backflow occurs when water reverses direction in the plumbing system and flows backward into the clean (potable) water supply. Instead of clean water flowing only one way from the city lines into your home or business, contaminated water can be pulled or pushed back into the drinking water system.

This can introduce mud, fertilizers, pesticides, chemicals, or even waste into the water you drink, cook with, and bathe in. Backflow is a serious health risk and is why prevention devices are required in many situations.

Where does backflow happen?

Backflow can occur at any cross-connection between potable and non-potable water systems. Common high-risk locations include:

Garden hoses used for watering, car washing, or applying chemicals
Irrigation systems
Swimming pools or spas connected to the water supply
Toilets without proper anti-siphon valves
Commercial and industrial equipment

How Backflow Prevention Works

How does a backflow preventer work?

Most backflow prevention devices use two mechanical check valves (or a reduced-pressure zone assembly) that allow water to flow in only one direction. When water pressure drops or reverses, the valves close automatically and stop contaminated water from entering the clean water supply.

With correct installation and regular maintenance, a backflow preventer protects the purity of your drinking water.

What types of backflow preventers are there?

Common types include double-check valve assemblies, reduced-pressure zone (RPZ) devices, and vacuum breakers. The right type depends on the level of hazard and local code requirements. Associated Plumbers installs the correct device for your property.

Annual Testing Requirements

Do I have to have my backflow preventer tested every year?

Yes. Arkansas state law requires annual testing of backflow prevention devices. This testing confirms the device is working correctly and prevents contaminants from entering the potable water supply.

Annual testing ensures that water flowing through the backflow preventer stays in the proper direction and does not re-enter the domestic pipeline.

Who needs annual backflow testing?

Commercial properties, irrigation systems, and many residential installations with specific cross-connections are required to have annual testing. Local water authorities (including Little Rock Water Works) enforce these rules. Failure to test can result in fines or water service issues.

Can Associated Plumbers perform the annual test and file the paperwork?

Yes. Our licensed technicians perform certified backflow testing and can handle the required documentation for your water authority.

What Causes Backflow?

What triggers backflow?

Several situations can cause a sudden drop in water pressure that leads to backflow:

A water main break
Power outages that affect pumps or systems
Temporary water shut-offs during plumbing repairs
High community water demand (for example, firefighters using large volumes of water)
Equipment in your home or business that creates higher pressure than the supply lines

A properly installed and tested backflow preventer protects you in all of these situations.

Installation, Repair & Replacement

Can you install a new backflow prevention device?

Yes. Associated Plumbers installs backflow preventers that meet Arkansas codes and local water authority requirements for both residential and commercial properties.

What if my backflow preventer fails the annual test?

If a device fails testing, we can repair or replace it promptly so you stay in compliance and your water supply remains protected.

Do you serve both homes and businesses?

Yes. We provide backflow testing, installation, and repair for residential, commercial, and industrial properties throughout Little Rock, North Little Rock, and Central Arkansas.

Why Choose Associated Plumbers for Backflow Services?

Earning your trust since 1947 — Little Rock’s oldest plumbing company
Licensed Arkansas Master Plumbers (MP3112 & MP6367)
Transparent flat-rate pricing with no surprise bills
Certified backflow testing and proper documentation
Clean, professional technicians
Fully licensed, bonded, and insured

Ready to Protect Your Water Supply?

Don’t wait until a pressure drop puts your drinking water at risk. Whether you need annual backflow testing, a new preventer installed, or a failed device repaired or replaced, Associated Plumbers is ready to help.

Call 501-666-9483 today to schedule backflow prevention service in Little Rock, North Little Rock, or surrounding Central Arkansas communities.

Backflow Prevention FAQ – Little Rock