Where does the water in 97457 come from?

Water for zip code 97457 in Myrtle Creek, Oregon is provided by 4 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 97457

Q: Is the water hard in Myrtle Creek, OR (97457)?

The average water hardness in 97457 is 18 PPM (1.1 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 97457?

At 18 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Myrtle Creek, Oregon · Douglas County

18 PPM

1.1 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 4 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 4 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

4 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 97457

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.

4 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
Roseburg, City Of OR4100720	surface water	18 PPM Soft	28,800	Estimated — Nearby Data
Myrtle Creek, City Of OR4100550	surface water	18 PPM Soft	3,501	Estimated — Nearby Data
Tri-City Jw&Sa OR4100549	surface water	18 PPM Soft	3,500	Estimated — Nearby Data
Clarks Branch Water Assoc OR4100548	surface water	18 PPM Soft	140	Estimated — Nearby Data

Roseburg, City Of

OR4100720

Soft

18 PPMsurface water28,800 servedEstimated — Nearby Data

Myrtle Creek, City Of

OR4100550

Soft

18 PPMsurface water3,501 servedEstimated — Nearby Data

Tri-City Jw&Sa

OR4100549

Soft

18 PPMsurface water3,500 servedEstimated — Nearby Data

Clarks Branch Water Assoc

OR4100548

Soft

18 PPMsurface water140 servedEstimated — Nearby Data

Nearby Zip Codes

9741718 9742919 9747019 9749619 9746920 9744318 9748119 9741018 9744219 9748418 9747919 9741618

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 Myrtle Creek, OR (97457).

Submit Your Data

Frequently Asked Questions

Is the water hard in Myrtle Creek, OR (97457)?

Our estimate for 97457 is 18 PPM (1.1 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 97457?

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

Is hard water in 97457 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 97457?

Zip code 97457 in Myrtle Creek, Oregon is served by 4 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.

8 min read