Farragut Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
319.4 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 Farragut, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Farragut | 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 Farragut compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Farragut, Tennessee | ≈ 120–179 mg/L | 5.2 ppt | 🟠 Hard | reservoir |
| Oak Ridge, Tennessee | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Clinton, Tennessee | ≈ 120–179 mg/L | 4 ppt | 🟠 Hard | reservoir |
| Maryville, Tennessee | 46 mg/L | 0 ppt | 🟢 Soft | reservoir |
| Knoxville, Tennessee | ≈ 120–179 mg/L | 3.7 ppt | 🟠 Hard | reservoir |
National Benchmark
How Farragut compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Farragut | ≈ 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 Farragut's Water Unique?
Local geology and source profile
Farragut receives water primarily through West Knox Utility District (WKUD), which serves Knox County communities including Farragut and nearby areas west of Knoxville. The supply combines surface water from the Tennessee River watershed with groundwater from local aquifers, and treatment is performed at facilities such as the Seymour Water Treatment Plant. First Utility District of Knox County (FUD) also contributes groundwater in the regional system. This mixed-source setup serves residential, commercial, and industrial users and reflects a basin context influenced by the Holston and French Broad rivers converging in the broader watershed.
The area spans carbonate and clastic terrains. Ordovician limestones and dolomites in the Valley and Ridge province, including the Eastern Highland Rim aquifer karst setting, provide water that acquires dissolved calcium and magnesium. To the west and northwest, Cumberland Plateau sandstones and shales with mineralized limestones influence recharge chemistry. Because Farragut uses both aquifer and surface inputs, mineral levels vary with blending ratios, but the dominant carbonate interaction supports a moderately mineralized profile rather than an extreme hardness condition.
In homes, moderately hard water can cause scale buildup over time in water heaters, dishwashers, and washers, with fixture spotting and reduced soap performance. Practical care includes annual appliance descaling and vinegar rinses for deposits. A household water softener is often recommended when spotting is persistent or when extending appliance life is a priority. Utility reporting notes EPA compliance and recent lead/copper sampling below action levels, while one tracker cited 19 EPA violations since 2023, including 11 health-based, and a low lead value of 0.00405 mg/L; disinfection byproducts are monitored and treated.
Geology & Source: Eastern Highland Rim karst dolomite and limestone (Ordovician) blended with Cumberland Plateau Pennsylvanian sandstones and mineralized limestones; carbonate dissolution adds calcium and magnesium, while source blending moderates hardness
Other Tennessee Water Reports
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Frequently Asked Questions
Is Farragut's water safe to drink?
Do I need a water softener in Farragut?
How does Farragut compare to the USA average?
Data Sources & Methodology
Water quality data for Farragut 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.