Backflow Services

For All Your Backflow Service Needs

A residential property fulfills all its water needs, including the water required to operate the sprinkler system from the city water main connected to it. The owner of the property usually hires a company like County Irrigation Services to tap into the main and install the required underground piping.


The water in your sprinkler comes from the same source that provides water for other needs, including sinks, toilets, and water fountains.

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What is Backflow?

Backflow happens when the water in a property’s plumbing system flows in the direction opposite to its intended one. This is dangerous because stagnant water can not only cause contamination in the plumbing system but also pollute the city’s water main.


As per the American Water Works Association, backflow problems happen in around five percent of residential properties containing a backflow sensing system. Alongside being dangerous, this problem can also be quite expensive: an EPA report reveals that a typical backflow problem costs $14,800 to fix.

Simplifying the BackFlow Test Services For Our Clients

In Nassau County, you must conduct an annual Back Flow Test in order to make sure that your backflow device is working correctly. Our team is 100% dedicated to simplifying all the backflow prevention needs and requirements you might have. This includes backflow prevention, installation, assembly testing, backflow repair, backflow replacement, certification, and installation.

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At County Irrigation, we provide all our clients with the relevant documents to help you with your compliance with the local backflow ordinances. Our backflow services can be completed within thirty minutes, and minor repairs, for instance, your backflow preventer leaking can mostly be done right on the spot.

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Why Are Backflow Problems in Sprinkler Systems Particularly Dangerous?

Backflows in sprinkler systems are especially problematic since a large volume of water in a property’s sprinkler system stays still unless it flows during sprinkler tests, is activated by a fire, or is released as a result of a sprinkler line breakage. Hence, this water turns stagnant, and public safety officials want to keep it from returning to the city water main.


A major power outage or water line breakage can create backflow conditions under which the water from the irrigation system will mix with the potable water supply, leading to contamination.


Without a preventive mechanism in place, the force of gravity can easily push the stagnant water sitting in a property’s sprinkler system back into the main water supply, leading to serious problems.


For this reason, a backflow preventer is a must for any residential or other properties having a sprinkler system.

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How Does a Backflow Preventer Work?

A backflow preventer keeps water inside the sprinkler system and ensures that it only flows from the water main to the sprinkler system, and not in the opposite direction. Backflow often occurs when there is a significant dip in water pressure as a result of using a fire hydrant, the main line breaking, or even the uninterrupted use of running water in the house. It also ensures that the water in your house is suitable for drinking, bathing, washing, and other common purposes.


It is quite similar to a hose bib installed in a garden hose; in fact, the nozzle contains a mini-backflow preventer that allows the water to squirt out through the side instead of heading back up towards the source. If the water pressure drops, a backflow preventer will keep unsafe water from flowing back to the main source.

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Why is Backflow Testing Important?

According to the New York state law, properties with irrigation systems are required to install, maintain, and inspect their backflow preventers at least once a year.


Failure to do so could gives the utility department the right to shut off either your domestic water supply (everything except for the sprinkler systems) or the entire water supply to your property. You could also be penalized in the form of fines.

Why County Irrigation

High-Quality Backflow Preventers

Well-irrigated back- and front-yards are, of course, important, but should not compromise the safety of the water running into your home. For this reason, County Irrigation Services only uses the best sprinkler system backflow prevention across the industry.


Brass construction, copper piping, and certified parts combine to regulate and maintain the water required to irrigate your garden, while simultaneously ensuring that the water being supplied to the rest of your house is safe and usable.

Comprehensive Backflow Preventer Testing

While having a high-quality backflow preventer is crucial, it does not absolve you of the need to get the preventer professionally inspected at least once a year. Thorough testing and assessment ensure that your backflow preventer is in proper working order and firmly capable of protecting you against the harms of contaminated water. County Irrigation’s backflow preventer testing includes the following:

  • All Tagging & Other Paperwork
  • Filing of the Test Information With the Relevant Water Purveyor or County
  • Testing and Assessment of the Backflow Prevention Device & Checking for Any Vulnerabilities
  • In Case Repairs Are Required, the Provision of an Expense Estimate (the Repairs Will Not Begin Until We Walk You Through the Estimate and Have Your Approval)

Why County Irrigation

High-Quality Backflow Preventers

Well-irrigated back- and front-yards are, of course, important, but should not compromise the safety of the water running into your home. For this reason, County Irrigation Services only uses the best sprinkler system backflow prevention across the industry.


Brass construction, copper piping, and certified parts combine to regulate and maintain the water required to irrigate your garden, while simultaneously ensuring that the water being supplied to the rest of your house is safe and usable.

Comprehensive Backflow Preventer Testing

While having a high-quality backflow preventer is crucial, it does not absolve you of the need to get the preventer professionally inspected at least once a year. Thorough testing and assessment ensure that your backflow preventer is in proper working order and firmly capable of protecting you against the harms of contaminated water. County Irrigation’s backflow preventer testing includes the following:

  • All Tagging & Other Paperwork
  • Filing of the Test Information With the Relevant Water Purveyor or County
  • Testing and Assessment of the Backflow Prevention Device & Checking for Any Vulnerabilities
  • In Case Repairs Are Required, the Provision of an Expense Estimate (the Repairs Will Not Begin Until We Walk You Through the Estimate and Have Your Approval)

24-Hour Emergency Service

Even with every precaution, unforeseen mishaps are always possible when it comes to irrigation systems. Your pipes may freeze or burst, or your neighbor’s lawn mower might clip a sprinkler head. Thankfully, our 24-hour emergency service has you covered in case your sprinkler system requires immediate attention.

Help Us Help You

Not having a properly-functioning backflow preventer is not only against the law, it also puts you and your neighbors at risk of consuming or otherwise using contaminated water.


Our spotless track record spanning over four decades, a skilled and professional workforce, and an unwavering commitment to service and quality are just a few of the reasons you should choose County Irrigation Services for your backflow preventer installation and inspection.


But if you are still not convinced, you can always sign up for a free consultative appointment where one of our technicians will assess your irrigation and backflow prevention system, identify potential problems and make recommendations, provide an expense estimate, and work hand-in-glove with you to formulate a workable action plan.

Help Us Help You

Not having a properly-functioning backflow preventer is not only against the law, it also puts you and your neighbors at risk of consuming or otherwise using contaminated water.


Our spotless track record spanning over four decades, a skilled and professional workforce, and an unwavering commitment to service and quality are just a few of the reasons you should choose County Irrigation Services for your backflow preventer installation and inspection.


But if you are still not convinced, you can always sign up for a free consultative appointment where one of our technicians will assess your irrigation and backflow prevention system, identify potential problems and make recommendations, provide an expense estimate, and work hand-in-glove with you to formulate a workable action plan.