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Water Hardness in 97148

Yamhill, Oregon · Yamhill County

58 PPM
3.4 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 10 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 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.

Source basis
1 USGS-backed source
10 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 97148

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.

10 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.
Mcminnville Water & Light
OR4100497
Soft
31 PPMsurface water34,515 servedEstimated — Nearby Data
Newberg, City Of
OR4100557
Slightly Hard
97 PPMgroundwater25,138 servedHigh Confidence — USGS Monitoring
Yamhill, City Of
OR4100968
Soft
39 PPMsurface water1,130 servedEstimated — Nearby Data
Cove Orchard Water Association
OR4101289
Soft
39 PPMsurface water300 servedEstimated — Nearby Data
Pleasant View Water Co
OR4101322
Soft
39 PPMsurface water120 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

971116097119129712858971276197115609713263971131297114609711612971231297101569711712

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 Yamhill, OR (97148).

Submit Your Data

Frequently Asked Questions

Is the water hard in Yamhill, OR (97148)?

The average water hardness in 97148 is 58 PPM (3.4 GPG), which is classified as soft.

Do I need a water softener in 97148?

At 58 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 97148 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 97148?

Zip code 97148 in Yamhill, Oregon is served by 10 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.

10 min read

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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