Water Hardness in Takoma Park, MD

Maryland · 1 zip codes · 2 matched water systems

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

City avg (weighted): 120 PPM

Dataset updated March 9, 20262 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Washington Suburban Sanitary Commission
MD0150005
Water source: surface water
Serves: 1,900,000
USGS environmental estimate: 151 PPM
City report

Is Takoma Park, MD Water Hard or Soft?

The displayed hardness for Takoma Park, MD is 120 PPM (7 GPG) from Washington Suburban Sanitary Commission, classified as moderately hard. The citywide weighted average is 120 PPM.

Displayed reading
120 PPM
Moderately Hard
Local coverage
1 ZIP
2 matched water systems
Source label
Annual Water Quality Report
Verified - Annual Water Quality Report

Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.

Source context

How this city reading is built

This city reading is a weighted rollup across 2 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
2 verified treated-water sources
2 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 Takoma Park

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

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.
120 PPMsurface water1,900,000 servedVerified - Annual Water Quality Report
Source water: 151 PPM
Moderately Hard
120 PPMsurface water52,000 servedVerified - Annual Water Quality Report
Source water: 151 PPM

Zip Codes in Takoma Park, MD

What This Means For You

Use this city 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.

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 Takoma Park, MD.

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Frequently Asked Questions

How hard is the water in Takoma Park, MD?

The citywide weighted average water hardness in Takoma Park, MD is 120 PPM (7 GPG), classified as moderately hard. This is based on 2 matched water systems.

Do I need a water softener in Takoma Park, MD?

With a citywide average hardness of 120 PPM, a water softener is worth considering for homes in Takoma Park. Confirm your tap reading before sizing equipment.

Is hard water in Takoma Park, 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 Takoma Park, MD?

Takoma Park, Maryland is served by 2 matched water systems across 1 zip code.

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