Where does the water in 21610 come from?

Water for zip code 21610 in Betterton, Maryland is provided by 1 water system. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 21610

Betterton, Maryland · Kent County

61 PPM

3.6 GPG

Slightly Hard

0Soft60120180300+

High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 1 water systemTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 1 matched water system. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

1 USGS-backed source

1 matched system 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 21610

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.

1 water system

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
Town Of Betterton MD0140001	groundwater	61 PPM Slightly Hard	481	High Confidence — USGS Monitoring

Town Of Betterton

MD0140001

Slightly Hard

61 PPMgroundwater481 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

21667120 21678120 2164561 21005107 2191998 21130107 2193097 2162061 2191397 21017107 21001107 21010107

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your 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 Betterton, MD (21610).

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Frequently Asked Questions

Is the water hard in Betterton, MD (21610)?

The average water hardness in 21610 is 61 PPM (3.6 GPG), which is classified as slightly hard.

Do I need a water softener in 21610?

At 61 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 21610 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 21610?

Zip code 21610 in Betterton, Maryland is served by 1 water system.