Water Hardness in Silverdale, WA
Washington · 2 zip codes · 18 matched water systems
Dataset updated March 9, 202618 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
How this city reading is built
This city reading is a weighted rollup across 18 matched water systems and 2 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems in Silverdale
These systems are matched to Silverdale, WA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
Bremerton City Of WA5308200 | surface water | 45 PPM Soft | |
West Sound Utility District #1 WA5302600 | groundwater | 67 PPM Slightly Hard | |
Silverdale Water Dist 16 WA5379300 | groundwater | 77 PPM Slightly Hard | |
North Perry Ave Water District WA5360950 | groundwater | 67 PPM Slightly Hard | |
Poulsbo City Of WA5369150 | groundwater | 77 PPM Slightly Hard |
Zip Codes in Silverdale, WA
What This Means For You
Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Slightly Hard Water
Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your Water
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Silverdale, WA.
Frequently Asked Questions
How hard is the water in Silverdale, WA?
The citywide weighted average water hardness in Silverdale, WA is 64 PPM (3.7 GPG), classified as slightly hard. This is based on 18 matched water systems.
Do I need a water softener in Silverdale, WA?
At 64 PPM, the citywide average is relatively soft. A water softener is generally not necessary.
Is hard water in Silverdale, WA safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve Silverdale, WA?
Silverdale, Washington is served by 18 matched water systems across 2 zip codes.
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