Where does the water in 97016 come from?

Water for zip code 97016 in Westport, Oregon is provided by 12 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 97016

Q: Is the water hard in Westport, OR (97016)?

The average water hardness in 97016 is 30 PPM (1.7 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 97016?

At 30 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Westport, Oregon · Columbia County

30 PPM

1.7 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 12 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 12 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.

Source basis

12 estimated sources

This ZIP reading needs local confirmation before equipment sizing or purchase decisions.

Water source profile

Primarily surface water

Surface-water hardness can shift with reservoirs, runoff, season, and treatment. 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 Serving 97016

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.

12 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.

Water System	Source	Hardness	Pop. Served	Data Source
St Helens, City Of OR4100724	surface water	19 PPM Soft	13,410	Estimated — Nearby Data
Clatskanie, City Of OR4100194	surface water	55 PPM Soft	2,188	Estimated — Nearby Data
Westport Water Association OR4100950	groundwater	87 PPM Slightly Hard	550	Estimated — Nearby Data
Fishhawk Lake Reserve And Community OR4100124	surface water	55 PPM Soft	350	Estimated — Nearby Data
Quincy Water Association OR4100196	groundwater	87 PPM Slightly Hard	300	Estimated — Nearby Data

St Helens, City Of

OR4100724

Soft

19 PPMsurface water13,410 servedEstimated — Nearby Data

Clatskanie, City Of

OR4100194

Soft

55 PPMsurface water2,188 servedEstimated — Nearby Data

Westport Water Association

OR4100950

Slightly Hard

87 PPMgroundwater550 servedEstimated — Nearby Data

Fishhawk Lake Reserve And Community

OR4100124

Soft

55 PPMsurface water350 servedEstimated — Nearby Data

Quincy Water Association

OR4100196

Slightly Hard

87 PPMgroundwater300 servedEstimated — Nearby Data

Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

9706419 9861231 9863265 9704826 9705419 9864783 9705137 9714412 9710912 9705619 9858165 9710362

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft 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 Westport, OR (97016).

Submit Your Data

Frequently Asked Questions

Is the water hard in Westport, OR (97016)?

Our estimate for 97016 is 30 PPM (1.7 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 97016?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 97016 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 97016?

Zip code 97016 in Westport, Oregon is served by 12 water systems.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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