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Water Hardness in Laurel, MD

Maryland · 3 zip codes · 8 matched water systems

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

City avg (weighted): 79 PPM

Dataset updated March 9, 20268 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of Baltimore
MD0300002
Water source: surface water
Serves: 1,600,000
USGS environmental estimate: 295 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 8 matched water systems and 3 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
7 verified treated-water sources
8 matched systems total for this city; 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 in Laurel

These systems are matched to Laurel, MD. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

8 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.
City Of Baltimore
MD0300002
Moderately Hard
120 PPMsurface water1,600,000 servedVerified — Annual Water Quality Report
Source water: 295 PPM
Glen Burnie-Broadneck
MD0020017
Slightly Hard
85 PPMgroundwater290,606 servedVerified — Annual Water Quality Report
Source water: 156 PPM
Howard County D.P.W. Distribution
MD0130002
Soft
33 PPMsurface water286,158 servedHigh Confidence — USGS Monitoring
Crofton-Odenton
MD0020008
Slightly Hard
85 PPMgroundwater62,986 servedVerified — Annual Water Quality Report
Source water: 156 PPM
Fort George G. Meade
MD0020012
Slightly Hard
85 PPMgroundwater62,234 servedVerified — Annual Water Quality Report
Source water: 13 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Laurel, MD

What This Means For You

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

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Frequently Asked Questions

How hard is the water in Laurel, MD?

The citywide weighted average water hardness in Laurel, MD is 79 PPM (4.6 GPG), classified as slightly hard. This is based on 8 matched water systems. The gauge highlights City Of Baltimore, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Laurel, MD?

At 79 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Laurel, MD 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 Laurel, MD?

Laurel, Maryland is served by 8 matched water systems across 3 zip codes.

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