Keeping Water Clean withBackflow Prevention Devices

Since property owners in Sonoma Valley with backflow prevention devices will soon be getting notices for their annual testing, we thought it was a good time to post something on the importance of making sure your backflow is functioning properly.

Casey Boden is certified to test, repair and replace these gizmos - and he recently returned from Sacramento where he completed classes to keep his certification up to date - so we're ready for all your calls and questions.

The most likely reasons for having a backflow prevention device at your property are

1. your irrigation system
2. you are connected to both a well and the public water supply
3. you have a fire sprinkler system

Backflow prevention devices are basically designed to keep the water in your system from migrating into and mingling with the public water supply. Annual testing may seem like a hassle, but every year there are thousands of reported cases of backflow contamination. Vigilance and regular maintenance are the best ways to prevent even more cases and potentially dangerous contamination.

A number of things can cause a device to fail. Debris can work its way into the mechanism, causing it to jam or malfunction. Corrosion and simple wear and tear take a toll over time. Ground shifting, especially common in earthquake country, can also contribute to problems.

The test is relatively simple, and you usually don't have to be home when the test is done. Casey does have to turn the water supply off very briefly, so if there are uses onsite that can not be interrupted, it's good to plan around them.

It's also good to be aware of where your device is installed and keep brush trimmed back from the area. If Casey's been to your place before, he probably remembers where your backflow is located but it helps if you know in case he has to ask.

With regular maintenance, most tests go off without a hitch. When a device fails, repairs are usually pretty straightforward, although sometimes a part needs to be ordered. It's not usual that the whole valve needs to be replaced, but it does happen. Old valves wear out.

If you have any questions, call the office (707-936-8683). And when you get that [annoying] notice in the mail, remember you can call us for testing. We'll get you on the schedule, Casey will swing by, and we'll submit your paperwork to the water department for you. Pretty painless - and so important.

photo credit: Magnus Franklin