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Water Hardness in 97526

Grants Pass, Oregon · Josephine County

29 PPM
1.7 GPG
Soft
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 15 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 15 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
15 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 97526

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.

15 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.
Grants Pass, City Of
OR4100342
Soft
18 PPMsurface water37,138 servedEstimated — Nearby Data
Rogue Lea Estates-North/South
OR4101405
Very Hard
311 PPMgroundwater350 servedEstimated — Nearby Data
Country Estates Mobile Park
OR4100340
Very Hard
311 PPMgroundwater175 servedEstimated — Nearby Data
Norwood Pud
OR4101471
Very Hard
311 PPMgroundwater150 servedEstimated — Nearby Data
Country View Mhp
OR4101022
Very Hard
311 PPMgroundwater80 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

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 Grants Pass, OR (97526).

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Frequently Asked Questions

Is the water hard in Grants Pass, OR (97526)?

Our estimate for 97526 is 29 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 97526?

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

Is hard water in 97526 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 97526?

Zip code 97526 in Grants Pass, Oregon is served by 15 water systems.

Learn More About Your Water