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Pataskala Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

river

pH Level

7.9

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

287.3 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 Pataskala, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn PataskalaSoft Water CityEfficiency 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 Pataskala compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Pataskala, Ohio≈ 120–179 mg/L5.6 ppt🟠 Hardriver
Pickerington, Ohio≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Reynoldsburg, Ohio≈ 120–179 mg/L10.7 ppt🟠 Hardriver
Gahanna, Ohio≈ 120–179 mg/L5.2 ppt🟠 Hardriver
Whitehall, Ohio≈ 120–179 mg/L5 ppt🟠 Hardriver

National Benchmark

How Pataskala compares to the USA average

BenchmarkHardnessAppliance Risk
Pataskala≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Pataskala's Water Unique?

Local geology and source profile

Source: RiverTDS: 287.3 mg/LpH: 7.9

The City of Pataskala Utility Department provides water service to roughly 9,900 residents across Pataskala and surrounding areas in Licking County, Ohio. While specific treatment plants and reservoir names are not publicly detailed, the municipal utility manages the supply. The watershed itself is part of the Licking River basin, which flows into the Muskingum River system and ultimately the Ohio River. Contact information for the utility office is available for inquiries and emergencies.

Beneath the surface, Pataskala rests on Paleozoic sedimentary rocks dating back to the Pennsylvanian period, including layers of shale, sandstone, and limestone. These bedrock formations are covered by glacial till deposited during the Pleistocene epoch. The interaction of water with these limestone layers naturally leaches minerals like calcium and magnesium, giving the water its characteristic moderately mineralized and moderately hard quality, common for supplies in the Midwestern region.

This moderately hard water can lead to noticeable scale buildup in household appliances such as water heaters, dishwashers, and washing machines, potentially reducing their efficiency and lifespan. You might also observe spotting on faucets and a feeling of stiffness in laundered clothes. To manage this, homeowners can regularly descale appliances with vinegar, install sediment filters, and make a habit of wiping down fixtures after use. Installing a water softener is often recommended to significantly reduce scaling and prolong the life of your plumbing and appliances. Pataskala City has reported that at least one contaminant has exceeded EPA health guidelines in the past, though the specific substance was not identified.

Geology & Source: Pennsylvanian/Permian sedimentary bedrock (shales, sandstones, limestones) and glacial deposits; limestone layers contribute dissolved calcium and magnesium, resulting in moderate hardness.

Other Ohio Water Reports

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Frequently Asked Questions

Is Pataskala's water safe to drink?
Yes. Pataskala'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 Pataskala?
At ≈ 120–179 mg/L (Hard), Pataskala'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 Pataskala compare to the USA average?
The USA national average is 151 mg/L. Pataskala (≈ 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 Pataskala 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

pH

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.