Washington Plumbing & DrainKitsap, Pierce & Mason Counties
Water Quality & Wells · Kitsap County

Water Treatment & Filtration Systems in Poulsbo, WA

Washington Plumbing & Drain installs and services whole-house water filtration in Poulsbo for wells and municipal water alike. Cascadian and Halo systems go in after the pressure tank or main shutoff and before the water heater, so every tap in the house gets the benefit.

35 to 45 minutes north of Port Orchard on Highway 3from Port OrchardKitsapCounty
Well pressure tank and Cascadian whole-house filter with insulated lines in a pump house — Water Treatment & Filtration Systems for Poulsbo homes

Then there is what is under the yard. Poulsbo wraps around the head of Liberty Bay, with Dogfish Creek draining a flat, wet valley to the north and glacial till hills rising on every side. Finn Hill and the Lemolo shoreline are steep. Groundwater is close to the surface in the valley and near the bay, and the till on the hills sheds water sideways into crawlspaces every winter. At about 35 to 45 minutes north of Port Orchard on Highway 3 from Port Orchard, Poulsbo is a regular line on our schedule, not a special trip.

Why water treatment & filtration systems is a little different in Poulsbo

Older Poulsbo homes on city water often have their own galvanized service line shedding rust into otherwise clean water. A sediment filter helps, but the real fix is replacing the line, and we tell you that rather than selling a filter to treat a problem the pipe is causing.

Water supply is the first question we ask on a Poulsbo job. The City of Poulsbo supplies water inside city limits from its own wells. Outside the city, Kitsap PUD runs a string of community systems with names like Poulsbo Heights, Poulsbo West, Vinland and Harbor Crest, and the Big Valley and Finn Hill acreage is heavy with private wells.

Local conditions that affect water treatment & filtration systems in Poulsbo

Local conditions shape the work. In Poulsbo: Grease-packed kitchen drains behind the Front Street restaurants and bakeries

Many Poulsbo homes rely on private wells drilled into glacial sand and gravel, and that groundwater carries iron, manganese and often hydrogen sulfide. A backwashing iron filter sized to the well's flow ends the orange stains and the smell, and a sediment filter ahead of it keeps grit from a shallow well out of the house.

In Poulsbo specifically, one issue comes up more than most: Well houses, pressure tanks and iron-stained water on Big Valley and Finn Hill acreage

Pump houses and well sheds around Poulsbo get cold enough in a hard freeze to split a filter housing, and we replaced several after the December 2022 and January 2024 cold snaps. When we install in an unheated space we insulate every line and talk about a heat source for the building.

A. O. Smith reverse osmosis system, storage tank and garbage disposal installed under a kitchen sink
A. O. Smith reverse osmosis system with a new disposal and copper supply stubs under the sink.

Signs Poulsbo homeowners call us for water treatment & filtration systems

Worth a call

  • Orange or brown stains in toilets, tubs and the dishwasher
  • Rotten-egg smell from the cold tap, or from the hot tap only
  • Sand or grit in aerators, showerheads and the toilet tank
  • Water tastes or smells like chlorine, especially in summer
  • White scale on fixtures, shower glass and the inside of the kettle

How we handle water treatment & filtration systems in Poulsbo

When a Poulsbo homeowner books water treatment & filtration systems, the job unfolds as test the raw water, size to the house, not the catalog, flat price with the options explained, install with bypass, drain and insulation, then start up, flush and set the schedule, and you can watch and ask questions the whole way.

Read the full step-by-step for water treatment & filtration systems →

Poulsbo neighborhoods and areas we serve

Our Poulsbo work runs from Pearson across to Liberty Ridge, and out around Liberty Bay and the Poulsbo waterfront and Front Street's Norwegian-themed downtown. Anywhere inside the Kitsap County side of our territory is fair game.

PearsonVinlandDowntown and Front StreetLemoloViking Avenue corridorPoulsbo PlaceOlhava and the College Marketplace areaLiberty Ridge

Water Treatment & Filtration Systems questions from Poulsbo

Do you service filtration systems you did not install in Poulsbo?

Yes. We change cartridges, replace media, repair control heads and, when a system was oversized or wrongly chosen, resize or replace it. We will tell you plainly if what you have is the wrong tool for your water.

Is a whole-house filter enough for drinking water in Poulsbo?

For taste, smell and clarity, yes. For dissolved contaminants flagged by a lab report, an under-sink reverse osmosis system at the kitchen is the right addition, and we install both together in Poulsbo homes.

Do you test the water before recommending a filter in Poulsbo?

Always. We test iron, manganese, hardness, pH and sulfur on site from the raw water and send lab samples for bacteria, nitrates or arsenic when a Kitsap County well calls for it. The system we quote comes from those numbers.

Can you install a filter in my Poulsbo pump house?

Yes, and we do it often. The system goes after the pressure tank with a bypass and isolation valves, a drain for any backwashing tank, and insulated lines so it survives a freeze.

My water smells like rotten eggs. What fixes that?

If the smell is in both hot and cold water, it is hydrogen sulfide in the well and needs an oxidizing filter or aeration. If it is only in the hot water, it is bacteria reacting with the water heater's anode rod, and changing the anode usually fixes it with no filter at all. We check which you have before quoting.

We have cleared drains, swapped water heaters and dug up water lines in nearly every corner of Kitsap County. Poulsbo is a short drive for us, which is why most calls there land same-day or next-day.

Google reviews

Customers on our water treatment & filtration systems work

★★★★★
What a great experience! My new reverse osmosis system is beautifully installed and I've been trained what to expect, noises and all! Thank you Greg! I love when a company does what they say they will do with excellence and on time.
Gretchen Costanzo · Google review · 2 years ago
★★★★★
Overall had a wonderful experience from the diagnosis to the new install of a house water filter. Support your family owned business!
Tylor Romine · Google review · 3 months ago

Water Treatment & Filtration Systems in Poulsbo?

Flat-rate price before we start. Poulsbo is about 35 to 45 minutes north of Port Orchard on Highway 3.

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