Hibbing Water Hardness & Quality Report (2026)
Water Hardness
12.3 grains per gallon
Source
groundwater
pH Level
6.4
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
85 mg/L
Est. Daily Cost
$0.56
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 Hibbing, your appliances are currently losing 28% efficiency due to mineral buildup.
| Appliance | In Hibbing | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.1 yrs | 8.5 yrs | -28% |
| Washing Machine | 8.6 yrs | 12 yrs | -28% |
| Water Heater | 10.8 yrs | 15 yrs | -28% |
Regional Water Comparison
How Hibbing compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Hibbing, Minnesota | 210 mg/L | 0 ppt | 🔴 Very Hard | groundwater |
| Grand Rapids, Minnesota | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
| Cloquet, Minnesota | ≈ 180+ mg/L | 31.7 ppt | 🔴 Very Hard | groundwater |
| Duluth, Minnesota | 44 mg/L | 0 ppt | 🟢 Soft | river |
| Superior, Wisconsin | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
National Benchmark
How Hibbing compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Hibbing | 210 mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Hibbing's Water Unique?
Local geology and source profile
Hibbing Public Utilities supplies approximately 16,093 residents in Hibbing, Minnesota, with water drawn from local groundwater aquifers beneath the Iron Range region. The utility treats this groundwater through filtration and chlorine disinfection before it reaches homes and businesses. This water supply originates from sources characteristic of the Iron Range and the surrounding glaciated terrain of northeastern Minnesota, reflecting the Precambrian bedrock covered by glacial drift deposits left from the last ice age.
The region's geology is defined by the Iron Range aquifer system, which sits atop Precambrian bedrock formations common to the Canadian Shield. These include metamorphic and igneous rocks, further covered by glacial drift deposits. This complex geological setting results in groundwater with moderate mineralization. The hardness of the water can fluctuate based on local glacial deposits and seasonal changes within the aquifer system.
Homeowners may notice mineral buildup in appliances like water heaters and dishwashers, although the severity varies across Hibbing. If you're concerned about the mineral content or potential scale, reaching out to Hibbing Public Utilities or a state-accredited lab for testing is a good next step to see if a water softener would be beneficial for your specific situation. The utility also advises residents with lead service lines to run their water for 30–60 seconds if it's been idle, use cold water for cooking and drinking, and consider water testing.
Geology & Source: Iron Range aquifer system; Precambrian bedrock and glacial drift; metamorphic and igneous rocks produce moderate hardness.
Other Minnesota Water Reports
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Frequently Asked Questions
Is Hibbing's water safe to drink?
Do I need a water softener in Hibbing?
How does Hibbing compare to the USA average?
Data Sources & Methodology
Water quality data for Hibbing 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.