Puyallup Water Hardness & Quality Report (2026)
Water Hardness
4.7 grains per gallon
Source
reservoir
pH Level
7.8
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
213.8 mg/L
Est. Daily Cost
$0.21
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Puyallup, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Puyallup | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7 yrs | 8.5 yrs | -18% |
| Washing Machine | 10.6 yrs | 12 yrs | -12% |
| Water Heater | 12.4 yrs | 15 yrs | -17% |
Regional Water Comparison
How Puyallup compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Puyallup, Washington | 80 mg/L | 3.4 ppt | 🟡 Moderately Hard | reservoir |
| South Hill, Washington | 46 mg/L | 2.3 ppt | 🟢 Soft | reservoir |
| Bonney Lake, Washington | 33.5 mg/L | 1.9 ppt | 🟢 Soft | reservoir |
| Frederickson, Washington | 20 mg/L | 1.5 ppt | 🟢 Soft | reservoir |
| Graham, Washington | 44 mg/L | 2.2 ppt | 🟢 Soft | reservoir |
National Benchmark
How Puyallup compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Puyallup | 80 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Puyallup's Water Unique?
Local geology and source profile
Puyallup, Washington, in Pierce County — a major south Puget Sound suburban community in the Puyallup River Valley, home of the Western Washington Fair (the Puyallup Fair — the largest fair in Washington State and one of the twenty largest fairs in North America), a city named for the Puyallup Tribe of Indians (the Puyallup Tribe — a major federally recognized Pacific Northwest tribe with significant reservation lands and the largest tribal casino in Washington State — Emerald Queen Casino), and a rapidly growing Tacoma suburban community in the Pierce County south Puget Sound corridor — draws its municipal water supply from the Puyallup River and groundwater via the City of Puyallup Water Division. Water hardness in Puyallup measures 80 mg/L — classified as moderately soft.
Puyallup's moderate softness reflects the Pierce County Puyallup River Valley's calcareous-poor glaciovolcanic geology. The Puyallup River (draining Mount Rainier via the Carbon River and Mowich Fork glaciers) carries: calcareous-poor glaciovolcanic outwash from Mount Rainier's andesitic volcano (the Rainier and Carbon River meltwater carries calcareous-poor andesitic volcanic materials); Vashon Drift (calcareous-poor glacial outwash of the Fraser Glaciation); and limited calcareous contributions. City of Puyallup's treatment of the calcareous-poor glaciovolcanic Puyallup River watershed produces the moderate 80 mg/L.
With hardness at 80 mg/L, Puyallup residents enjoy moderately soft water. City of Puyallup Water Division consistently delivers water meeting all Washington DOH and EPA Safe Drinking Water Act requirements.
Geology & Source: River supply from the Puyallup River (Carbon River and Mowich Fork glacial meltwater) and groundwater via the City of Puyallup Water Division — the Pierce County Washington state south Puget Sound Puyallup River Valley (Quaternary calcareous-poor glacial outwash, volcanic glaciofluvial deposits from Mount Rainier, and Vashon Drift); moderately soft supply at 80 mg/L in Pierce County.