The ground is the other half of the story. The town sits on a sand spit at the mouth of Port Gamble Bay near the entrance to Hood Canal, barely above the tide, with a high water table and salt groundwater. The surrounding land is glacial till plateau dropping in bluffs to the bay and the canal. Gamblewood and the highway corridor are on rolling till with hardpan. Port Gamble is about 55 minutes to an hour north of Port Orchard on Highway 3, which puts it comfortably inside the territory we cover every week.
Why backflow preventer installation is a little different in Port Gamble
Exposed backflow assemblies in Port Gamble take a beating during Kitsap County's periodic hard freezes. We install drains and insulated enclosures on new devices and add them to existing ones so a cold snap does not mean another replacement in spring.
Water supply is the first question we ask on a Port Gamble job. The historic town's water system has been operated by the property owner's management company rather than a public utility, while the Port Gamble S'Klallam Tribe runs its own utilities at Little Boston. Kitsap PUD serves Gamblewood as part of its Kingston and Hansville system. Homes along the highway and the bay outside those areas are typically on private wells.
Local conditions that affect backflow preventer installation in Port Gamble
In Port Gamble specifically, one issue comes up more than most: Septic effluent pumps on bluff and shoreline lots
Commercial properties in Port Gamble, from restaurants to car washes to medical offices, usually need an RPZ on the service and sometimes on individual equipment. We install them above grade with proper discharge so the relief port does not flood a floor.
Ask a Port Gamble homeowner what goes wrong with plumbing here and you will usually hear a version of this: Frozen pipes in well houses and crawlspaces during wind-driven cold snaps
Water purveyors serving Port Gamble run annual backflow testing programs, and the notices they send often leave homeowners unsure what device they actually need. We call the district, confirm the hazard classification, and install exactly what they will accept.

Signs Port Gamble homeowners call us for backflow preventer installation
Worth a call
- Your property has both a private well and a city water connection
- 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
How we handle backflow preventer installation in Port Gamble
Our backflow preventer installation process in Port Gamble is figure out what the purveyor wants, site check and flat quote, install with testable access, initial certification, then record and remind, with the written price coming before any tool is picked up.
Read the full step-by-step for backflow preventer installation →
Port Gamble neighborhoods and areas we serve
From The historic mill town to Highway 104 corridor, with plenty of stops around Buena Vista Cemetery and Hood Canal Bridge, Port Gamble is well-worn ground for our trucks.
Backflow Preventer Installation questions from Port Gamble
Can you winterize a backflow assembly in Port Gamble?
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 Kitsap County east wind.
Do you handle the paperwork for the Port Gamble 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 Port Gamble?
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.
Which water districts in Port Gamble require backflow preventers?
Every public water purveyor serving Port Gamble runs a cross-connection program under Washington's drinking water rules. If you have irrigation, fire sprinklers, a boiler or a well on the property, expect a requirement.
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.
Greg started this company to do plumbing the way he would want it done at his own house: show up when promised, explain the options, and leave the place clean. That is what Port Gamble homeowners can expect from us.

