Muscle Shoals Water Hardness & Quality Report (2026)
Water Hardness
2.5 grains per gallon
Source
reservoir
pH Level
7.2
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
66.3 mg/L
Est. Daily Cost
$0.11
energy & soap waste
Source: USGS Water Quality Portal · 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 Muscle Shoals, your appliances are currently losing 6% efficiency due to mineral buildup.
| Appliance | In Muscle Shoals | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.2 yrs | 8.5 yrs | -4% |
| Washing Machine | 12 yrs | 12 yrs | — |
| Water Heater | 13.9 yrs | 15 yrs | -7% |
Regional Water Comparison
How Muscle Shoals compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Muscle Shoals, Alabama | 42.5 mg/L | 3.4 ppt | 🟢 Soft | reservoir |
| Florence, Alabama | 139.5 mg/L | 6.9 ppt | 🟠 Hard | reservoir |
| East Florence, Alabama | 132.5 mg/L | 6.7 ppt | 🟠 Hard | reservoir |
| Athens, Alabama | 91 mg/L | 5.2 ppt | 🟡 Moderately Hard | reservoir |
| Decatur, Alabama | 56 mg/L | 3.9 ppt | 🟢 Soft | reservoir |
National Benchmark
How Muscle Shoals compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Muscle Shoals | 42.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Muscle Shoals's Water Unique?
Local geology and source profile
Muscle Shoals, Alabama, in Colbert County — a Colbert County city adjacent to Sheffield and Florence on the Tennessee River in north Alabama — receives its water from the Muscle Shoals Water Board, drawing from Wilson Lake (Colbert County — TVA reservoir) through the north Alabama distribution.
The soft 42.5 mg/L hardness and low TDS of 66.3 mg/L reflect the north Alabama Colbert County Tennessee River TVA reservoir supply's soft character — reflecting the extended reservoir residence that settles minerals combined with the Cumberland Plateau's predominantly insoluble sandstone watershed, producing one of the softest water supplies in Alabama. The Wilson Lake watershed at Colbert County — Pennsylvanian Pottsville Formation (insoluble sandstone — primary dilutant), Mississippian Bangor Limestone (calcareous — minor hardness contributor from Tennessee Valley tributaries), and TVA reservoir settling effect (mineral reduction — secondary).
At 42.5 mg/L, Muscle Shoals' water is soft — minimal scale buildup, appliances last well, and no softening is needed. Water is safe for all uses. The PFAS level of 3.4 ppt warrants a certified drinking water filter — the Colbert County north Alabama industrial corridor and the TVA Muscle Shoals industrial heritage (chemical manufacturing) contribute to Muscle Shoals' readings.
Geology & Source: Muscle Shoals in Colbert County draws from the Muscle Shoals Water Board on Wilson Lake (Colbert County, north Alabama) — the Tennessee River at Colbert County is stored by TVA's Wilson Dam and drains the Cumberland Plateau (Pennsylvanian Pottsville sandstone — insoluble) — Alabama Colbert County TVA reservoir insoluble watershed produces soft water at 42.5 mg/L with TDS 66.3 mg/L.