How does Avon Lake's water compare to the national average?

The USA national average is 151 mg/L. Avon Lake (≈ 120–179 mg/L) is 1 mg/L softer than average.

Avon Lake Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

8.3

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

490.9 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Avon Lake, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Avon Lake	Soft Water City	Efficiency Loss
Kettle	6.8 yrs	8.5 yrs	-20%
Washing Machine	9.6 yrs	12 yrs	-20%
Water Heater	12 yrs	15 yrs	-20%

Regional Water Comparison

How Avon Lake compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Avon Lake, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Avon Center, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Avon, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Bay Village, Ohio	≈ 120–179 mg/L	9.3 ppt	🟠 Hard	river
North Ridgeville, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river

National Benchmark

How Avon Lake compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Avon Lake	≈ 120–179 mg/L	🟠 Moderate
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Avon Lake's Water Unique?

Local geology and source profile

Source: RiverTDS: 490.9 mg/LpH: 8.3

Avon Lake Regional Water (Avon Lake City PWS) is the municipal water utility serving Avon Lake, Ohio, in Lorain County. The utility sources its drinking water from Lake Erie, one of the five Great Lakes, and operates a Water Filtration Plant (WFP) that treats the surface water using conventional filtration and chlorination to meet U.S. EPA and Ohio EPA drinking water quality standards. The utility serves the City of Avon Lake and surrounding areas in northeastern Ohio, publishing annual Consumer Confidence Reports available at avonlakewater.org.

The water supply originates from Lake Erie, which sits within the Great Lakes watershed shaped by Pleistocene glaciation and underlain by Devonian-age limestone, dolomite, and shale formations. These carbonate-rich bedrock layers are highly soluble, causing water throughout the region to dissolve significant quantities of calcium and magnesium minerals. This geological setting produces a hard water supply typical of the Great Lakes basin and much of Ohio.

Hard water in Avon Lake will cause scale buildup in water heaters, kettles, and dishwashers, and may reduce soap and detergent effectiveness. Residents typically experience increased maintenance demands on appliances and may benefit from point-of-use or whole-house water softening, particularly for high-temperature applications. Laundry and cleaning efficiency may be noticeably reduced without treatment. The 2022 Consumer Confidence Report confirms that Avon Lake Regional Water meets and exceeds all U.S. and Ohio EPA drinking water standards.

Geology & Source: Lake Erie watershed; Devonian-age limestone, dolomite, and shale formations underlying northern Ohio — carbonate-rich bedrock dissolves calcium and magnesium, producing hard water typical of the Great Lakes basin

Other Ohio Water Reports

Avon Center

≈ 120–179 mg/L

🟠 Hard

Avon

≈ 120–179 mg/L

🟠 Hard

Bay Village

≈ 120–179 mg/L

🟠 Hard

North Ridgeville

≈ 120–179 mg/L

🟠 Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Avon Lake's water safe to drink?

Yes. Avon Lake's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Avon Lake?

At ≈ 120–179 mg/L (Hard), Avon Lake's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Avon Lake compare to the USA average?

The USA national average is 151 mg/L. Avon Lake (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Avon Lake is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.