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Fort Campbell North Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

8.4

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

522.3 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 Fort Campbell North, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn Fort Campbell NorthSoft 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 Fort Campbell North compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Fort Campbell North, Kentucky≈ 120–179 mg/L6.5 ppt🟠 Hardgroundwater
Clarksville, Tennessee103 mg/L0 ppt🟡 Moderately Hardriver
Hopkinsville, Kentucky≈ 120–179 mg/L10.4 ppt🟠 Hardriver
Dickson, Tennessee233.5 mg/L0 ppt🔴 Very Hardreservoir
Springfield, Tennessee96 mg/L0 ppt🟡 Moderately Hardreservoir

National Benchmark

How Fort Campbell North compares to the USA average

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

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What Makes Fort Campbell North's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 522.3 mg/LpH: 8.4

Fort Campbell North, KY, receives its drinking water from the U.S. Army's Fort Campbell water utility. The supply is drawn from groundwater sources, with vulnerability assessments indicating a reasonably high susceptibility to contamination due to geological and human factors. While specific treatment plant names aren't detailed, the water is treated on-base before distribution. This utility serves the Fort Campbell North census-designated place and adjacent military housing areas in Christian County, Kentucky, near the Tennessee border. The watershed is part of the Red River basin, located within the Western Coal Fields physiographic province.

The groundwater is influenced by the Pottsville Group and Caseyville Formation, including Pennsylvanian-age sandstone, conglomerate, and underlying Mississippian limestone formations. These carbonate-rich rocks are prone to karst development, allowing for natural leaching of alkaline earth metals like calcium and magnesium, which contribute to the water's hard character. The region's geology features fractured bedrock with thin soil cover, increasing its susceptibility to surface influences and mineral dissolution, resulting in a mineral-rich water profile typical of the Interior Low Plateaus.

Homeowners in Fort Campbell North may notice scale buildup on appliances such as water heaters, dishwashers, coffee makers, and washing machines, which can reduce their efficiency and lifespan. Faucets and fixtures might develop limescale rings, and laundry may appear less clean due to soap scum. Regular descaling with vinegar, installing sediment filters, and flushing water heaters biannually are recommended maintenance practices. Given the water's hardness, installing a water softener is advisable, particularly if you observe spotting on glassware or a film on your skin after bathing. This can also help prevent mineral accumulation within household pipes over time. The utility confirms compliance with EPA health standards, though homeowners are advised about certain contaminant detections and filter recommendations.

Geology & Source: Western Coal Field; sandstone, shale, and limestone of Pennsylvanian age; karst-prone carbonate rocks yield hard water.

Other Kentucky Water Reports

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Frequently Asked Questions

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