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Water Hardness in Coopersburg, PA

Pennsylvania · 1 zip codes · 7 matched water systems

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

City avg (weighted): 121 PPM

Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Lca Allentown Division
PA3390024
Water source: surface water
Serves: 118,000
USGS environmental estimate: 186 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
6 verified treated-water sources
7 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 Coopersburg

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

7 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.
Lca Allentown Division
PA3390024
Moderately Hard
120 PPMsurface water118,000 servedVerified — Annual Water Quality Report
Source water: 186 PPM
Lca Wlsa Central Division
PA3390073
Moderately Hard
120 PPMsurface water47,693 servedVerified — Annual Water Quality Report
Source water: 186 PPM
Swt Main System
PA3390065
Moderately Hard
120 PPMsurface water14,500 servedVerified — Annual Water Quality Report
Source water: 186 PPM
Emmaus Borough Public Water
PA3390032
Moderately Hard
120 PPMgroundwater14,000 servedVerified — Annual Water Quality Report
Source water: 200 PPM
Whitehall Twp Authority
PA3390081
Moderately Hard
120 PPMgroundwater13,063 servedVerified — Annual Water Quality Report
Source water: 58 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Coopersburg, PA

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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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Coopersburg, PA.

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Frequently Asked Questions

How hard is the water in Coopersburg, PA?

The citywide weighted average water hardness in Coopersburg, PA is 121 PPM (7.1 GPG), classified as moderately hard. This is based on 7 matched water systems. The gauge highlights Lca Allentown Division, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Coopersburg, PA?

With a citywide average hardness of 121 PPM, a water softener is worth considering for homes in Coopersburg. Confirm your tap reading before sizing equipment.

Is hard water in Coopersburg, PA 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 Coopersburg, PA?

Coopersburg, Pennsylvania is served by 7 matched water systems across 1 zip code.

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