Woodward Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
7.6
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
280 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · Updated 2026
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 Woodward, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Woodward | 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 Woodward compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Woodward, Oklahoma | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Elk City, Oklahoma | 143 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Weatherford, Oklahoma | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Dodge City, Kansas | ≈ 180+ mg/L | 3.7 ppt | 🔴 Very Hard | groundwater |
| Enid, Oklahoma | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
National Benchmark
How Woodward compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Woodward | ≈ 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 Woodward's Water Unique?
Local geology and source profile
The City of Woodward operates its municipal water supply, drawing primarily from groundwater sources. These include Quaternary-age alluvial deposits found in the valleys of the North Canadian River and its tributaries, which meet the domestic, industrial, and irrigation needs of Woodward and nearby areas. In the southwestern part of Woodward County, the Pliocene-age Ogallala Formation also contributes to the supply. Standard groundwater treatment processes, including disinfection, are employed, though specific treatment plant names are not publicly detailed. These sources are managed by the City of Woodward and Woodward County Rural Water District #1.
The water originates from Quaternary valley-fill alluvium and aquifers like the Pliocene Ogallala Formation, resting upon older Permian and Pennsylvanian bedrock within the Anadarko Basin. This geologic setting is characterized by carbonate rocks, including limestone and dolomite, interspersed with shales and evaporites. The natural leaching of calcium and magnesium from these soluble minerals within the carbonate and evaporite sequences imbues the groundwater with a hard character, typical of the region's karst-influenced hydrogeology and resulting in a calcium-magnesium bicarbonate-type water.
Homeowners in Woodward may notice limescale buildup in pipes, water heaters, dishwashers, and washing machines, which can reduce efficiency and shorten appliance lifespan. Expect potential increases in energy usage for water heaters and frequent descaling needs. Faucet aerators and showerheads can clog quickly, diminishing water pressure. Installing a whole-house water softener is often recommended to combat spotting on dishes and glassware, alleviate dry skin and hair, and extend the life of appliances. For those who prefer it, kitchen taps can be bypassed for cooking purposes. Regular vinegar flushes can help manage scale, but a softener provides proactive protection.
Geology & Source: Quaternary alluvial deposits and Ogallala Formation; limestone and dolomite dissolution yield hard water.
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Frequently Asked Questions
Is Woodward's water safe to drink?
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How does Woodward compare to the USA average?
Data Sources & Methodology
Water quality data for Woodward is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
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.
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.
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.
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.
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.
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.