Irondale Water Hardness & Quality Report (2026)
Water Hardness
4.5 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
141.6 mg/L
Est. Daily Cost
$0.21
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 Irondale, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Irondale | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10.8 yrs | 12 yrs | -10% |
| Water Heater | 12.5 yrs | 15 yrs | -17% |
Regional Water Comparison
How Irondale compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Irondale, Alabama | 77 mg/L | 4.7 ppt | 🟡 Moderately Hard | reservoir |
| Mountain Brook, Alabama | 174 mg/L | 8.2 ppt | 🟠 Hard | reservoir |
| Birmingham, Alabama | 157.5 mg/L | 7.6 ppt | 🟠 Hard | reservoir |
| Center Point, Alabama | 113 mg/L | 6 ppt | 🟡 Moderately Hard | reservoir |
| Homewood, Alabama | 150.5 mg/L | 7.3 ppt | 🟠 Hard | reservoir |
National Benchmark
How Irondale compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Irondale | 77 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Irondale's Water Unique?
Local geology and source profile
Irondale, Alabama, in Jefferson County — a Jefferson County city adjacent to Birmingham and Mountain Brook on the Cahaba River in central Alabama — receives its water from the Birmingham Water Works, drawing from the Cahaba River or Inland Lake (Jefferson County) through the central Alabama distribution.
The soft 77 mg/L hardness and TDS of 141.6 mg/L reflect the central Alabama Jefferson County Cahaba supply's soft dolomitic character — softer than the Coosa River communities (Moody AL: 69/122 in St. Clair County comparable; Sylacauga AL: 89/172 in Talladega County slightly harder) because Irondale's Birmingham Water Works Cahaba draw at Inland Lake provides significant dilution from the Alabama Valley and Ridge insoluble contacts. The Cahaba River at Jefferson County — Ordovician Knox Dolomite (dolomitic — primary hardness contributor), Cambrian Shady Dolomite (dolomitic — secondary contributor), and Quaternary Cahaba alluvium (calcareous — minor TDS).
At 77 mg/L, Irondale's water is soft — scale forms very slowly in appliances, dishwashers remain efficient, and no softening is needed. Annual descaling is appropriate. The PFAS level of 4.7 ppt warrants a certified drinking water filter — the Jefferson County central Alabama industrial and steel corridor contribute to Irondale's readings.
Geology & Source: Irondale in Jefferson County draws from the Birmingham Water Works on the Cahaba River or Inland Lake (Jefferson County, central Alabama) — the Cahaba-Inland watershed at Jefferson County drains the Alabama Valley and Ridge (Ordovician Knox Dolomite — dolomitic) and Cambrian Shady Dolomite (dolomitic) — Alabama Jefferson County Cahaba River Ordovician-Cambrian dolomitic supply produces soft water at 77 mg/L with TDS 141.6 mg/L.