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Water Hardness in 21866

Tylerton, Maryland · Somerset County

40 PPM
2.3 GPG
Soft
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 5 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 5 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
5 estimated sources
This ZIP reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 21866

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.

5 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.
Rhodes Point South Waterworks
MD0190009
Soft
40 PPMgroundwater100 servedEstimated — Nearby Data
Tylerton Waterwork Cooperative
MD0190011
Soft
40 PPMgroundwater100 servedEstimated — Nearby Data
Hill Waterworks Cooperative
MD0190007
Soft
40 PPMgroundwater100 servedEstimated — Nearby Data
Ewell Waterworks Cooperative
MD0190004
Soft
40 PPMgroundwater75 servedEstimated — Nearby Data
Midtown Waterworks Cooperative
MD0190006
Soft
40 PPMgroundwater34 servedEstimated — Nearby Data

Nearby Zip Codes

218241202181740234408218211202183885218671202253982342765218711202342665206871202162784

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 Tylerton, MD (21866).

Submit Your Data

Frequently Asked Questions

Is the water hard in Tylerton, MD (21866)?

Our estimate for 21866 is 40 PPM (2.3 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 21866?

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

Is hard water in 21866 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 21866?

Zip code 21866 in Tylerton, Maryland is served by 5 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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