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Water Hardness in 21717

Buckeystown, Maryland · Frederick County

120 PPM
7 GPG
Moderately Hard
0Soft60120180300+
Verified - Annual Water Quality Report

Dataset updated March 9, 2026Matched to 2 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 2 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 verified treated-water sources
2 matched systems total for this ZIP; treated-water reports are prioritized when available.
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 21717

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.

2 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.
New Design - Frederick County
MD0100030
Moderately Hard
120 PPMsurface water74,911 servedVerified - Annual Water Quality Report
Source water: 140 PPM
City Of Frederick
MD0100015
Moderately Hard
120 PPMsurface water54,000 servedVerified - Annual Water Quality Report
Source water: 175 PPM

Nearby Zip Codes

217101202170312021704120217541202179012021777120217551202083812021701120217701202084212020871120

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

MethodologyData sourcesHow 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 Buckeystown, MD (21717).

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Frequently Asked Questions

Is the water hard in Buckeystown, MD (21717)?

The average water hardness in 21717 is 120 PPM (7 GPG), which is classified as moderately hard.

Do I need a water softener in 21717?

With hardness of 120 PPM, a water softener is worth considering for homes in 21717.

Is hard water in 21717 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 21717?

Zip code 21717 in Buckeystown, Maryland is served by 2 water systems.

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