Where does the water in 21850 come from?

Water for zip code 21850 in Pittsville, Maryland is provided by 3 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 21850

Pittsville, Maryland · Wicomico County

23 PPM

1.3 GPG

Soft

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 3 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 3 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

2 USGS-backed sources

3 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.

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 21850

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.

3 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
City Of Salisbury MD0220004	groundwater	23 PPM Soft	30,343	High Confidence — USGS Monitoring
Town Of Pittsville MD0220009	groundwater	10 PPM Soft	1,500	High Confidence — USGS Monitoring
Town Of Willards MD0220007	groundwater	23 PPM Soft	1,021	Estimated — County Avg

City Of Salisbury

MD0220004

Soft

23 PPMgroundwater30,343 servedHigh Confidence — USGS Monitoring

Town Of Pittsville

MD0220009

Soft

10 PPMgroundwater1,500 servedHigh Confidence — USGS Monitoring

Town Of Willards

MD0220007

Soft

23 PPMgroundwater1,021 servedEstimated — County Avg

Nearby Zip Codes

2184923 2187426 21872112 2180423 2187525 2181197 21862112 21841112 1994082 21863107 21813112 2182623

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 Pittsville, MD (21850).

Submit Your Data

Frequently Asked Questions

Is the water hard in Pittsville, MD (21850)?

The average water hardness in 21850 is 23 PPM (1.3 GPG), which is classified as soft.

Do I need a water softener in 21850?

At 23 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 21850 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 21850?

Zip code 21850 in Pittsville, Maryland is served by 3 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.

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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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