Chelsea Water Hardness & Quality Report (2026)
Water Hardness
8.2 grains per gallon
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
329.7 mg/L
Est. Daily Cost
$0.37
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 Chelsea, your appliances are currently losing 19% efficiency due to mineral buildup.
| Appliance | In Chelsea | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5 yrs | 8.5 yrs | -41% |
| Washing Machine | 8.4 yrs | 12 yrs | -30% |
| Water Heater | 10 yrs | 15 yrs | -33% |
Regional Water Comparison
How Chelsea compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Chelsea, Alabama | 140.5 mg/L | 7 ppt | 🟠 Hard | reservoir |
| Pelham, Alabama | 102 mg/L | 5.6 ppt | 🟡 Moderately Hard | reservoir |
| Vestavia Hills, Alabama | 98.5 mg/L | 5.5 ppt | 🟡 Moderately Hard | reservoir |
| Hoover, Alabama | 154.5 mg/L | 7.5 ppt | 🟠 Hard | reservoir |
| Mountain Brook, Alabama | 174 mg/L | 8.2 ppt | 🟠 Hard | reservoir |
National Benchmark
How Chelsea compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Chelsea | 140.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Chelsea home
Shop water softeners on Amazon.com →
What Makes Chelsea's Water Unique?
Local geology and source profile
Chelsea, Alabama, in Shelby County — a Shelby County city adjacent to Calera and Helena on the Cahaba River corridor in central Alabama — receives its water from Shelby County Utilities or the Chelsea Water System, drawing from Lay Lake or Logan Martin Lake impoundments on the Coosa River system through the central Alabama distribution.
The hard 140.5 mg/L hardness and TDS of 329.7 mg/L reflect the Shelby County Coosa supply's hard dolomitic character — the Ordovician Knox Dolomite and Cambrian Shady Dolomite are thick, regionally important carbonate formations in Alabama's Valley and Ridge province, contributing divalent ions to the watershed (compare Pelham AL: 138/325 in Shelby County comparable; Helena AL: 142/334 in Shelby County comparable; Chelsea consistent hard from the same Shelby County Lay Lake Coosa Ordovician-Cambrian dolomitic supply). The Coosa watershed at Shelby County — Ordovician Knox Dolomite (dolomitic — primary hardness contributor), Cambrian Shady Dolomite (dolomitic — secondary contributor), and Quaternary Alabama Red Hills alluvium (calcareous — TDS contributor).
At 140.5 mg/L with TDS 330, Chelsea's water is hard — scale builds in appliances and fixtures over months. Quarterly descaling is appropriate. The PFAS level of 7.0 ppt warrants a certified drinking water filter — the Shelby County central Alabama industrial and suburban growth corridor contributes to Chelsea's elevated PFAS readings. Review Shelby County Utilities' annual water quality report for the latest contaminant data.
Geology & Source: Chelsea in Shelby County draws from the Shelby County Water on Lay Lake reservoir (Shelby County, central Alabama) — the Coosa watershed at Shelby County drains Ordovician Knox Dolomite (dolomitic) and Cambrian Shady Dolomite (dolomitic) — Alabama Shelby County Lay Lake Coosa Ordovician-Cambrian dolomitic supply produces hard water at 140.5 mg/L with TDS 329.7 mg/L.