Atchison Water Hardness & Quality Report (2026)
Water Hardness
180+ mg/L
Very Hardestimated · not lab-verified
Source
reservoir
pH Level
8.1
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
466.6 mg/L
Est. Daily Cost
$0.91
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 Atchison, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Atchison | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Atchison compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Atchison, Kansas | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | reservoir |
| Leavenworth, Kansas | 140 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Saint Joseph, Missouri | ≈ 180+ mg/L | 4.2 ppt | 🔴 Very Hard | river |
| Lansing, Kansas | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | reservoir |
| Lawrence, Kansas | ≈ 120–179 mg/L | 37.1 ppt | 🟠 Hard | reservoir |
National Benchmark
How Atchison compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Atchison | ≈ 180+ mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Atchison's Water Unique?
Local geology and source profile
The City of Atchison operates the municipal water utility, supplying water to about 10,694 residents in Atchison, Kansas. This system draws groundwater from wells connected to the Atchison County Wholesale Water Commission. Treatment processes include disinfection with chloramines and ozone. Although the supply originates within the Missouri River watershed, the city exclusively utilizes local groundwater aquifers, not surface water sources. PWSD 1 offers wholesale support for this system, as outlined in their 2023 Annual Water Quality Report.
Northeastern Kansas is characterized by Pennsylvanian and Mississippian limestone formations, such as the Lansing Group and Burlington-Keokuk Limestone. These geological layers create karst aquifer systems that are susceptible to mineral dissolution. This carbonate bedrock naturally leaches alkaline earth metals, giving the water its characteristically hard quality, a common trait for supplies drawn from this region's mineral-rich basin, which is also influenced by glacial till.
Homeowners in Atchison will likely notice the effects of this very hard water on their plumbing and appliances. Expect significant limescale buildup in pipes, water heaters, dishwashers, and washing machines, which can reduce efficiency and shorten their lifespan. Coffee makers and humidifiers are particularly prone to clogging, while kettles and faucets will quickly develop white deposits. While monthly descaling with vinegar can help, installing a whole-house water softener is highly recommended to prevent scaling, potentially extend appliance life by 30%, and improve the lathering of soaps and detergents.
Geology & Source: Pennsylvanian Lansing Group limestone and Mississippian Burlington-Keokuk Limestone; karstic carbonate bedrock dissolves readily, releasing calcium and magnesium, resulting in hard water.
Other Kansas Water Reports
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Frequently Asked Questions
Is Atchison's water safe to drink?
Do I need a water softener in Atchison?
How does Atchison compare to the USA average?
Data Sources & Methodology
Water quality data for Atchison 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.