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Jacksonville Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.6

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

188.4 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 Jacksonville, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn JacksonvilleSoft 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 Jacksonville compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Jacksonville, Alabama≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Saks, Alabama≈ 0–60 mg/L6.4 ppt🟢 Softreservoir
Anniston, Alabama≈ 120–179 mg/L0 ppt🟠 Hardreservoir
Oxford, Alabama≈ 120–179 mg/L33.3 ppt🟠 Hardreservoir
Gadsden, Alabama53.2 mg/L1013.6 ppt🟢 Softreservoir

National Benchmark

How Jacksonville compares to the USA average

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

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What Makes Jacksonville's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 188.4 mg/LpH: 7.6

The Jacksonville Water Works, Gas & Sewer Board provides service to about 13,809 residents in Jacksonville, Calhoun County, Alabama. This utility procures surface water, likely sourced from the Coosa River basin, and subjects it to filtration and chlorination. While specific treatment plant names aren't provided, the system consistently delivers water that meets all EPA health guidelines. The supply originates in the Coosa River watershed, flowing through Paleozoic rock formations abundant in limestone and dolomite within the Appalachian foothills. This geological setting, which includes karst aquifers, allows minerals to dissolve into the water as it moves through fractured rock.

The region's geology is characterized by Appalachian sedimentary formations, featuring Paleozoic limestones and sandstones. The presence of karst landscapes, with soluble carbonate rocks from the Ordovician to Mississippian periods like the Knox Group dolomite and Bangor Limestone, is key. These formations contribute significant amounts of dissolved calcium and magnesium ions to the water supply. The interaction between the water and these mineral-rich bedrock layers, particularly during surface runoff and subsurface flow through fractured rock, shapes the water's chemical composition and results in its moderately mineralized character.

Homeowners might notice scale buildup in appliances such as water heaters, dishwashers, coffee makers, and faucets. This buildup can reduce appliance efficiency and leave spots on glassware. You may also find laundry feels stiffer, and soap doesn't lather as effectively. For everyday maintenance, periodic descaling of fixtures and pots with vinegar can help. To fully address these issues and extend the lifespan of your appliances, installing a whole-house water softener is recommended. Despite these minor effects of mineral content, the water quality is excellent, meeting all EPA standards with no reported violations. Fluoride is added to 1 ppm for dental health.

Geology & Source: Appalachian sedimentary formations; Paleozoic limestones and sandstones, Knox Group dolomite, Bangor Limestone contribute moderate hardness

Other Alabama Water Reports

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Frequently Asked Questions

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