WH

Water Hardness in Avon Lake, OH

Ohio · 1 zip codes · 7 matched water systems

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

City avg (weighted): 120 PPM

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

System used for this reading
Rural Lorain Co. Water A
OH4701803
Water source: surface water
Serves: 73,125
USGS environmental estimate: 176 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
7 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 Avon Lake

These systems are matched to Avon Lake, OH. 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.
Rural Lorain Co. Water A
OH4701803
Moderately Hard
120 PPMsurface water73,125 servedVerified — Annual Water Quality Report
Source water: 176 PPM
Elyria Water Department
OH4700411
Moderately Hard
120 PPMsurface water68,000 servedVerified — Annual Water Quality Report
Source water: 176 PPM
Lorain City Pws
OH4700711
Moderately Hard
120 PPMsurface water64,152 servedVerified — Annual Water Quality Report
Source water: 176 PPM
North Ridgeville City Pws
OH4700803
Moderately Hard
120 PPMsurface water29,465 servedVerified — Annual Water Quality Report
Source water: 164 PPM
Avon City Pws
OH4700203
Moderately Hard
120 PPMsurface water23,800 servedVerified — Annual Water Quality Report
Source water: 164 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Avon Lake, OH

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment 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 Avon Lake, OH.

Submit Your Data

Frequently Asked Questions

How hard is the water in Avon Lake, OH?

The citywide weighted average water hardness in Avon Lake, OH is 120 PPM (7 GPG), classified as moderately hard. This is based on 7 matched water systems.

Do I need a water softener in Avon Lake, OH?

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

Is hard water in Avon Lake, 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 Avon Lake, OH?

Avon Lake, Ohio is served by 7 matched water systems across 1 zip code.

Learn More About Your Water