The ground is the other half of the story. A narrow strip of low shoreline on Henderson Bay backed by a steep bank up to the plateau, then glacial till and a lake basin inland. Groundwater sits near the surface on the shoreline and around Lake Kathryn through the wet months. Wauna is about 25 minutes from Port Orchard via Highway 16 and the first mile of Highway 302, which puts it comfortably inside the territory we cover every week.
Why backflow preventer installation is a little different in Wauna
Rural parts of Wauna on community water systems often still have an old well on the property. The purveyor treats that as a cross-connection, and we resolve it with either an RPZ on the service or a documented disconnection of the well piping.
Where the water comes from changes the diagnosis. Peninsula Light Company water systems serve much of the Wauna and Lake Kathryn area, with other small community systems and private wells on the outlying lots. There is no city water here.
Local conditions that affect backflow preventer installation in Wauna
The pattern we see most in Wauna is this: Galvanized supply pipe in older cabins restricting flow
Many Wauna irrigation systems were installed without any backflow device at all. When the district catches it, we add a properly sized assembly at the point of connection and reconfigure the manifold so each zone can be isolated.
Local conditions shape the work. In Wauna: Roots in old drain lines between house and septic tank
HOAs and property managers around Wauna often have a dozen assemblies across several buildings. We keep an inventory of makes, models and locations so annual testing and replacements go quickly and nothing gets missed.
Signs Wauna homeowners call us for backflow preventer installation
Worth a call
- An old assembly is corroded, the shutoffs will not close, or the test cocks are seized
- A home inspector or county inspector flagged a cross-connection
- The brass body cracked in a winter freeze
- Your water district sent a notice requiring a backflow assembly or an annual test
- A certified tester failed your existing device
How we handle backflow preventer installation in Wauna
When a Wauna homeowner books backflow preventer installation, the job unfolds as figure out what the purveyor wants, site check and flat quote, install with testable access, initial certification, then record and remind, and you can watch and ask questions the whole way.
Read the full step-by-step for backflow preventer installation →
Wauna neighborhoods and areas we serve
Wauna Hill above the bay, Lake Kathryn shoreline and the streets between them see us regularly, as do the properties near Purdy Bridge view from the west shore and Lake Kathryn Village. If you are in Wauna, you are covered.
Backflow Preventer Installation questions from Wauna
My backflow test failed in Wauna. Do I have to replace the device?
Not always. If the body is sound we rebuild it with new checks and springs, which is far less than replacement. If the body is pitted or the shutoffs are gone, we recommend a new assembly and show you why.
Can you winterize a backflow assembly in Wauna?
Yes. We add drain ports and blowout access during installation and can retrofit them to existing devices, and we offer insulated enclosures for assemblies exposed to the Pierce County east wind.
Do you handle the paperwork for the Wauna water district?
We coordinate the initial certification test and make sure the report reaches your purveyor. You get photos and device details for your own records.
Is a permit needed to install a backflow preventer in Wauna?
Usually a plumbing permit is required, and the purveyor needs the installation and test report. We take care of both as part of the job.
Can a backflow preventer be installed underground?
A double check valve assembly can be, in a proper vault with drainage. Pressure vacuum breakers and RPZs cannot; they need to be above grade, and the PVB has to sit above the highest sprinkler head it serves.
Our reviews from Wauna and the rest of Pierce County echo what Kitsap customers say: the price is quoted first, the work is explained, and the plumber cleans up. That is the standard on every job.