Water Hardness in 98331
Forks, Washington · Clallam County
Dataset updated March 9, 2026Matched to 10 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 10 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 98331
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Port Angeles City Of WA5368550 | surface water | 23 PPM Soft | |
| Sequim City Of WA5377620 | groundwater | 289 PPM Very Hard | |
| Port Angeles Composite WA5343296 | surface water | 289 PPM Very Hard | |
| Forks Municipal Water Dept WA5326000 | groundwater | 80 PPM Slightly Hard | |
| Crescent Water Assn WA5316020 | surface water | 289 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
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 Forks, WA (98331).
Frequently Asked Questions
Is the water hard in Forks, WA (98331)?
Our estimate for 98331 is 156 PPM (9.1 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.
Do I need a water softener in 98331?
Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.
Is hard water in 98331 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 98331?
Zip code 98331 in Forks, Washington is served by 10 water systems.
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