Water Hardness in Port Townsend, WA
Washington · 1 zip codes · 11 matched water systems
Dataset updated March 9, 202611 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 11 matched water systems and 1 ZIP code. 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 Port Townsend
These systems are matched to Port Townsend, 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 |
|---|---|---|---|
Port Townsend City Of WA5369000 | surface water | 56 PPM Soft | |
Quimper WA5305783 | groundwater | 289 PPM Very Hard | |
Bywater Bay WA5302043 | groundwater | 289 PPM Very Hard | |
Gardiner Lud 1 WA5307877 | groundwater | 289 PPM Very Hard | |
Lazy C WA5302676 | groundwater | 289 PPM Very Hard |
Zip Codes in Port Townsend, WA
What This Means For You
Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.
Moderately Hard Water
Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | 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 Port Townsend, WA.
Frequently Asked Questions
How hard is the water in Port Townsend, WA?
The citywide weighted average water hardness in Port Townsend, WA is 171 PPM (10 GPG), classified as moderately hard. This is based on 11 matched water systems.
Do I need a water softener in Port Townsend, WA?
With a citywide average hardness of 171 PPM, a water softener is worth considering for homes in Port Townsend. Confirm your tap reading before sizing equipment.
Is hard water in Port Townsend, 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 Port Townsend, WA?
Port Townsend, Washington is served by 11 matched water systems across 1 zip code.
Learn More About Your Water
Do You Need a Water Softener? (Based on Your Water Hardness)
A data-driven guide to help you decide if a water softener is worth the investment based on your actual water hardness level.
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Salt-based softeners remove hardness minerals. Salt-free conditioners prevent scale but don't soften. Here's how to choose based on your water hardness level.
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We tested KDF, Vitamin C, and carbon shower filters for hard water. Here are the filters that actually reduce mineral buildup on hair and skin.
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