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Bethany Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

mixed

pH Level

8.2

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

799 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 Bethany, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn BethanySoft 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 Bethany compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Bethany, Oklahoma≈ 120–179 mg/L58.6 ppt🟠 Hardmixed
Warr Acres, Oklahoma≈ 120–179 mg/L4.2 ppt🟠 Hardreservoir
Oklahoma City, Oklahoma≈ 120–179 mg/L1.3 ppt🟠 Hardreservoir
Yukon, Oklahoma≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Mustang, Oklahoma≈ 120–179 mg/L0 ppt🟠 Hardreservoir

National Benchmark

How Bethany compares to the USA average

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

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What Makes Bethany's Water Unique?

Local geology and source profile

Source: MixedTDS: 799 mg/LpH: 8.2

Bethany Special Utility District (SUD) serves the city of Bethany in Oklahoma County, Oklahoma, providing drinking water to approximately 5,000 residents across a compact urban service area. The utility sources water exclusively from local groundwater wells tapping the Garber-Wellington Aquifer, part of the Central Oklahoma Aquifer system. Treatment occurs at the Bethany SUD Water Treatment Plant, where chlorination, fluoridation, and basic filtration ensure compliance with EPA standards before distribution. The district can be contacted at 405-789-6285 or via bethanysud.com; an emergency line is available at 405-789-2146.

The recharge zone feeding Bethany's groundwater spans the Central Oklahoma Aquifer, covering the Canadian River Alluvium and adjacent uplands in central Oklahoma. Key geological features include Permian redbeds of the Garber Sandstone — predominantly quartz sandstone with calcareous cement — overlain by the Wellington Formation's gypsum-bearing shales and limestones. This confined aquifer allows slow percolation through mineral-rich strata; dissolution of carbonates and evaporites imparts a hard supply character, with elevated dissolved solids from prolonged contact with limestone and dolomite.

Hard water in Bethany causes scale buildup in pipes, water heaters, dishwashers, and washing machines, with heaters potentially failing 2–3 times faster without mitigation. Coffee makers and faucets are particularly affected as limescale clogs aerators and heating elements. A whole-house water softener or scale inhibitors are strongly recommended; monthly vinegar cleaning of fixtures and annual heater servicing help extend appliance life. Bethany SUD's water meets EPA safety standards overall; PFAS monitoring shows no compounds above EPA limits, and the supply is disinfected with chlorine, fluoridated, and tested for bacteria and heavy metals with neutral-alkaline pH from natural buffering.

Geology & Source: Central Oklahoma Aquifer — Permian-age Garber Sandstone and Wellington Formation; calcite and dolomite layers in confined aquifer dissolve calcium and magnesium during recharge, producing hard supply

Other Oklahoma Water Reports

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Frequently Asked Questions

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