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Water Hardness in Port Ludlow, WA

Washington · 1 zip codes · 5 matched water systems

153 PPM
8.9 GPG
Moderately Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 estimated sources
This city reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 Ludlow

These systems are matched to Port Ludlow, WA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

5 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Port Townsend City Of
WA5369000
Soft
56 PPMsurface water16,977 servedEstimated — Nearby Data
Quimper
WA5305783
Very Hard
289 PPMgroundwater14,500 servedEstimated — Nearby Data
Olympic Water & Sewer Inc
WA5368700
Slightly Hard
77 PPMgroundwater3,086 servedEstimated — Nearby Data
Bridgehaven Community Club
WA5308330
Slightly Hard
77 PPMgroundwater623 servedEstimated — Nearby Data
Jefferson County Water Dist #1
WA5336705
Slightly Hard
77 PPMgroundwater600 servedEstimated — Nearby Data

Zip Codes in Port Ludlow, WA

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Port Ludlow, WA.

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Frequently Asked Questions

How hard is the water in Port Ludlow, WA?

The citywide weighted average water hardness in Port Ludlow, WA is 153 PPM (8.9 GPG), classified as moderately hard. This is based on 5 matched water systems.

Do I need a water softener in Port Ludlow, WA?

With a citywide average hardness of 153 PPM, a water softener is worth considering for homes in Port Ludlow. Confirm your tap reading before sizing equipment.

Is hard water in Port Ludlow, 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 Ludlow, WA?

Port Ludlow, Washington is served by 5 matched water systems across 1 zip code.

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