Annual Fire Hydrant Testing in Orange County

Hedrick Fire Protection, C-16 & C-10 licensed · NFPA 25 annual flow test · Private hydrants and fire service mains

A hydrant on your property is yours to test

If a fire hydrant sits on private ground (a business park loop, a campus, a warehouse yard), the owner is responsible for keeping it working. NFPA 25 calls for private hydrants to be inspected and flow tested every year. Skip the test and nobody knows whether water will come out when an engine hooks up. That's the whole point.

What the annual visit covers

A technician checks the hydrant body, caps, outlet threads and drain, then opens the hydrant fully and lets it flow. Flow readings follow the method in NFPA 291, which also sets the color code for hydrant bonnets by flow class, so the bonnet on your hydrant should match what the test shows. The private main that feeds it falls under NFPA 24. Anything that needs work gets written up.

Your water agency is part of the test

Orange County has no single water utility. The Municipal Water District of Orange County wholesales water to about 27 retail agencies. Anaheim, Fullerton and Santa Ana run their own. Below much of north and central Orange County, the Orange County Water District manages the groundwater basin that about 19 cities and retail water agencies pump most of their water from.

Why does a property manager need to know this? A flow test sends a lot of water out of the system, and it has to be coordinated with the retail purveyor that serves your address. Tell us your water agency when you call. Not sure? Check your water bill.

Who to ask about your local requirement

Fire service here is split. The Orange County Fire Authority (OCFA) is a joint powers authority serving 23 cities and all unincorporated areas of the county. In those areas, its Community Risk Reduction department enforces fire codes and coordinates annual life safety inspections of existing commercial, industrial, educational and multi-family buildings.

Other cities run their own fire departments, among them Anaheim, Brea, Costa Mesa, Fullerton, Huntington Beach, Newport Beach, Orange and Placentia. Placentia was the first city to leave OCFA. (Garden Grove and Santa Ana went the other way and joined.) The Disneyland Resort has its own fire department as well.

Local amendments count. When Laguna Niguel adopted the 2025 California fire code, the city included an OCFA-recommended amendment on shutoff valves for private fire-protection systems. Your city may have adopted its own changes. Before the test date, ask your local fire marshal which code edition and amendments apply to your property.

When the test finds a problem

Common findings include stems that won't turn, leaking packing and low flow. A bad test doesn't always mean a new hydrant. Our Carlsbad case study on hydrant repair versus a $10,000 replacement quote walks through a case where a repack was weighed against replacing the whole hydrant. For follow-up work, see fire hydrant repair in Orange County, ongoing fire hydrant maintenance or new fire hydrant installations. If the same main also feeds your building's sprinklers, ask about our fire sprinkler service in Orange County too.

For more information about Annual Fire Hydrant Testing in Orange County call us at (949) 558-2201 or email us at socal@1profire.com

Orange County cities

Start at the Orange County fire protection hub, or go to a city page: annual fire hydrant testing in Anaheim, hydrant testing in Irvine or hydrant testing in Huntington Beach.

Annual fire hydrant testing questions

How often does a private fire hydrant need testing?

Once a year. NFPA 25 calls for an annual inspection and flow test of private hydrants, and your city may add local requirements.

Who is responsible for a hydrant on my property?

The owner. If the hydrant sits on private ground and is fed by a private fire service main, its upkeep and annual testing are yours to arrange.

Does my water agency need to know about the test?

Yes. Hydrant flow tests have to be coordinated with the retail water purveyor serving your address, and in Anaheim, Fullerton and Santa Ana that's the city's own water utility.

Is my property under OCFA or a city fire department?

It depends on the city. OCFA serves 23 cities plus unincorporated areas, while cities such as Anaheim, Huntington Beach, Newport Beach and Placentia run their own departments, so confirm with your local fire marshal.

Who performs the work?

Hedrick Fire Protection. It holds C-16 and C-10 licenses.