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Yukon Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

1039.1 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 Yukon, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn YukonSoft 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 Yukon compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Yukon, Oklahoma≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Mustang, Oklahoma≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Bethany, Oklahoma≈ 120–179 mg/L58.6 ppt🟠 Hardmixed
Warr Acres, Oklahoma≈ 120–179 mg/L4.2 ppt🟠 Hardreservoir
El Reno, Oklahoma≈ 180+ mg/L0 ppt🔴 Very Hardreservoir

National Benchmark

How Yukon compares to the USA average

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

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What Makes Yukon's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 1039.1 mg/LpH: 8.5

The City of Yukon Public Works Department operates the water utility serving approximately 22,677 residents in Yukon, Oklahoma, and surrounding areas in Canadian County. Primary sources include groundwater from the Garber-Wellington Aquifer and purchased wholesale water from the City of Oklahoma City, blended to meet the community's needs. Water is treated at utility-managed facilities before distribution throughout the service area, with the main office at 500 W. Main St., Yukon, OK 73099; contacts include the Utility Director at 405-354-6245 and emergency line at 405-354-1551.

Yukon's water is shaped by the Garber-Wellington Aquifer's underlying Pennsylvanian rock formations — including limestones and sandstones of the Anadarko Basin — that release minerals through karst-like features and long residence times. The Oklahoma City purchased supply likely derives from reservoirs in the North Canadian River watershed, interacting with similar carbonate-rich geology. This regional geology results in a hard supply, with dolomite and calcite dissolution elevating calcium and magnesium content throughout the blended distribution system.

Hard water in Yukon leads to scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Fixtures like faucets can show white mineral deposits, and appliances require more frequent descaling. Maintenance tips include installing sediment filters, periodic vinegar flushes, and using water conditioners; a whole-house softener is recommended to extend equipment life. The 2023 Consumer Confidence Report (covering 2022 data) is available via cityofyukonok.gov; standard treatment includes disinfection, with blending used to manage water quality.

Geology & Source: Garber-Wellington Aquifer — Pennsylvanian-age sandstone, shale, and limestone of the Anadarko Basin; dolomite and calcite dissolution produce hard groundwater; purchased Oklahoma City supply adds regional carbonate influence

Other Oklahoma Water Reports

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Frequently Asked Questions

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