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Water Hardness in Franklin, PA

Pennsylvania · 1 zip codes · 6 matched water systems

75 PPM
4.4 GPG
Slightly Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20266 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 6 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
6 USGS-backed sources
6 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 Franklin

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

6 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.
General Authority Of Franklin
PA6610020
Slightly Hard
75 PPMgroundwater8,600 servedHigh Confidence — USGS Monitoring
Sandycreek Twp Waterworks
PA6610042
Slightly Hard
75 PPMgroundwater2,417 servedHigh Confidence — USGS Monitoring
Sugarcreek Borough
PA6610044
Slightly Hard
75 PPMgroundwater1,000 servedHigh Confidence — USGS Monitoring
Sugar Creek Care Center
PA6610002
Slightly Hard
75 PPMgroundwater356 servedHigh Confidence — USGS Monitoring
Rocky Ridge Village
PA6610032
Slightly Hard
75 PPMgroundwater150 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Franklin, PA

What This Means For You

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

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How 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 Franklin, PA.

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Frequently Asked Questions

How hard is the water in Franklin, PA?

The citywide weighted average water hardness in Franklin, PA is 75 PPM (4.4 GPG), classified as slightly hard. This is based on 6 matched water systems.

Do I need a water softener in Franklin, PA?

At 75 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Franklin, 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 Franklin, PA?

Franklin, Pennsylvania is served by 6 matched water systems across 1 zip code.

Learn More About Your Water