Where does the water in 04605 come from?

Water for zip code 04605 in Ellsworth, Maine 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 04605

Q: Is the water hard in Ellsworth, ME (04605)?

The average water hardness in 04605 is 11 PPM (0.6 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 04605?

At 11 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Ellsworth, Maine · Hancock County

11 PPM

0.6 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 04605

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
Ellsworth Water Department ME0090520	surface water	8 PPM Soft	3,910	Estimated — Nearby Data
Cold Spring Water Company ME0090360	groundwater	36 PPM Soft	305	Estimated — Nearby Data
Crescent Mobile Home Park ME0007237	groundwater	36 PPM Soft	55	Estimated — Nearby Data
Birch Haven Trailer Park ME0007233	groundwater	36 PPM Soft	43	Estimated — Nearby Data

Ellsworth Water Department

ME0090520

Soft

8 PPMsurface water3,910 servedEstimated — Nearby Data

Cold Spring Water Company

ME0090360

Soft

36 PPMgroundwater305 servedEstimated — Nearby Data

Crescent Mobile Home Park

ME0007237

Soft

36 PPMgroundwater55 servedEstimated — Nearby Data

Birch Haven Trailer Park

ME0007233

Soft

36 PPMgroundwater43 servedEstimated — Nearby Data

Nearby Zip Codes

0463436 0442820 0442920 0464036 0468420 0447220 0441120 0443120 0466436 0467720 0441217 0441638

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 Ellsworth, ME (04605).

Submit Your Data

Frequently Asked Questions

Is the water hard in Ellsworth, ME (04605)?

Our estimate for 04605 is 11 PPM (0.6 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 04605?

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

Is hard water in 04605 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 04605?

Zip code 04605 in Ellsworth, Maine 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.

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