How does Findlay's water compare to the national average?

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

Findlay 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

0.006 mg/L

✓ Below action level

TDS

467.1 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 Findlay, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Findlay	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 Findlay compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Findlay, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Fostoria, Ohio	≈ 120–179 mg/L	0 ppt	🟠 Hard	river
Bowling Green, Ohio	≈ 180+ mg/L	33.1 ppt	🔴 Very Hard	river
Tiffin, Ohio	≈ 120–179 mg/L	6.4 ppt	🟠 Hard	river
Perrysburg, Ohio	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	groundwater

National Benchmark

How Findlay compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Findlay	≈ 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 Findlay's Water Unique?

Local geology and source profile

Source: RiverTDS: 467.1 mg/LpH: 8.3

Findlay City is the public water utility serving approximately 54,040 people across Findlay in Hancock County, Ohio. The utility draws its supply from surface water, treated at the local Water Treatment Plant using filtration, softening, and hypochlorite disinfection. The plant conducts biweekly testing for cyanotoxins and other parameters to ensure water safety and regulatory compliance.

Findlay's surface water supply is fed by the Blanchard River watershed in northwest Ohio's glacial till plain. The local geology features Paleozoic limestone bedrock from the Devonian and Silurian periods, interspersed with glacial deposits that promote mineral leaching into rivers and aquifers. This karst-influenced terrain produces a moderately hard supply rich in calcium and magnesium bicarbonates, shaped by millennia of dissolution from ancient glacial activity and bedrock weathering.

At hard levels, scale buildup occurs in pipes, water heaters, and dishwashers, reducing efficiency and lifespan. Kettles and faucets show white deposits, and laundry feels less soft. Regular vinegar descaling and magnetic conditioners help mitigate these effects; a water softener is recommended for optimal appliance performance and reduced detergent use. Findlay's water meets EPA standards with no violations since 2023 and low lead at 0.0034 mg/L; treatment includes softening, filtration, and biweekly cyanotoxin testing. Four contaminants exceed health guidelines in some reports, though within legal limits.

Geology & Source: Blanchard River watershed, northwest Ohio — Paleozoic Devonian and Silurian limestone bedrock with glacial till; karst dissolution of calcium and magnesium bicarbonates imparts hard character to surface water

Other Ohio Water Reports

Fostoria

≈ 120–179 mg/L

🟠 Hard

Bowling Green

≈ 180+ mg/L

🔴 Very Hard

Tiffin

≈ 120–179 mg/L

🟠 Hard

Perrysburg

≈ 120–179 mg/L

🟠 Hard

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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 Findlay's water safe to drink?

Yes. Findlay'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 Findlay?

At ≈ 120–179 mg/L (Hard), Findlay'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 Findlay compare to the USA average?

The USA national average is 151 mg/L. Findlay (≈ 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 Findlay 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.