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Water Hardness in Chardon, OH

Ohio · 1 zip codes · 11 matched water systems

205 PPM
12 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 202611 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 11 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
11 USGS-backed sources
11 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 Chardon

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

11 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.
Chardon City Pws
OH2800412
Hard
205 PPMgroundwater5,247 servedHigh Confidence — USGS Monitoring
Geauga County-Bainbridge
OH2804003
Hard
205 PPMsurface water3,000 servedHigh Confidence — USGS Monitoring
Notre Dame Sisters And Elementary School
OH2802412
Hard
205 PPMgroundwater950 servedHigh Confidence — USGS Monitoring
Chardon Woods Of Journey
OH2804212
Hard
205 PPMgroundwater650 servedHigh Confidence — USGS Monitoring
Geauga County Services Center Pws
OH2868112
Hard
205 PPMgroundwater570 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Chardon, OH

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 Chardon, OH.

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Frequently Asked Questions

How hard is the water in Chardon, OH?

The citywide weighted average water hardness in Chardon, OH is 205 PPM (12 GPG), classified as hard. This is based on 11 matched water systems.

Do I need a water softener in Chardon, OH?

With a citywide average hardness of 205 PPM, a water softener is recommended for homes in Chardon. Confirm your tap reading before sizing equipment.

Is hard water in Chardon, OH 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 Chardon, OH?

Chardon, Ohio is served by 11 matched water systems across 1 zip code.

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