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Water Hardness in 21913

Cecilton, Maryland · Cecil County

97 PPM
5.7 GPG
Slightly Hard
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
1 USGS-backed source
3 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 21913

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.
Town Of Elkton
MD0070011
Slightly Hard
97 PPMsurface water15,625 servedEstimated — County Avg
Crystal Beach Manor/T&C Utility
MD0070008
Slightly Hard
97 PPMgroundwater500 servedEstimated — County Avg
Town Of Cecilton
MD0070004
Slightly Hard
83 PPMgroundwater477 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

219129721930972191998216351202191597216501202164561216671202165166216106119730811970981

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 Cecilton, MD (21913).

Submit Your Data

Frequently Asked Questions

Is the water hard in Cecilton, MD (21913)?

The average water hardness in 21913 is 97 PPM (5.7 GPG), which is classified as slightly hard.

Do I need a water softener in 21913?

At 97 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 21913 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 21913?

Zip code 21913 in Cecilton, Maryland is served by 3 water systems.

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