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Water Hardness in Gwynedd Valley, PA

Pennsylvania · 1 zip codes · 9 matched water systems

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

City avg (weighted): 120 PPM

Dataset updated March 9, 20269 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Aqua Pa Main System
PA1460073
Water source: surface water
Serves: 822,600
USGS environmental estimate: 184 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 9 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
9 verified treated-water sources
9 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 Gwynedd Valley

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

9 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.
Aqua Pa Main System
PA1460073
Moderately Hard
120 PPMsurface water822,600 servedVerified — Annual Water Quality Report
Source water: 184 PPM
North Penn Water Authority
PA1460034
Moderately Hard
120 PPMsurface water91,941 servedVerified — Annual Water Quality Report
Source water: 154 PPM
Pa American Norristown
PA1460046
Moderately Hard
120 PPMsurface water88,885 servedVerified — Annual Water Quality Report
Source water: 154 PPM
North Wales Water Authority
PA1460048
Moderately Hard
120 PPMsurface water72,496 servedVerified — Annual Water Quality Report
Source water: 154 PPM
Pottstown Borough Water Auth
PA1460037
Moderately Hard
120 PPMsurface water36,000 servedVerified — Annual Water Quality Report
Source water: 70 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Gwynedd Valley, 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 Gwynedd Valley, PA.

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Frequently Asked Questions

How hard is the water in Gwynedd Valley, PA?

The citywide weighted average water hardness in Gwynedd Valley, PA is 120 PPM (7 GPG), classified as moderately hard. This is based on 9 matched water systems.

Do I need a water softener in Gwynedd Valley, PA?

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

Is hard water in Gwynedd Valley, 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 Gwynedd Valley, PA?

Gwynedd Valley, Pennsylvania is served by 9 matched water systems across 1 zip code.

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