Westminster Water Hardness & Quality Report (2026)
Water Hardness
5.3 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
145.4 mg/L
Est. Daily Cost
$0.24
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 Westminster, your appliances are currently losing 12% efficiency due to mineral buildup.
| Appliance | In Westminster | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.6 yrs | 8.5 yrs | -22% |
| Washing Machine | 10.3 yrs | 12 yrs | -14% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Westminster compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Westminster, Maryland | 90 mg/L | 4.7 ppt | 🟡 Moderately Hard | reservoir |
| Eldersburg, Maryland | 164.5 mg/L | 9 ppt | 🟠 Hard | reservoir |
| Reisterstown, Maryland | 144.5 mg/L | 7.8 ppt | 🟠 Hard | reservoir |
| Hanover, Pennsylvania | 204 mg/L | 10.6 ppt | 🔴 Very Hard | reservoir |
| Owings Mills, Maryland | 176 mg/L | 9.6 ppt | 🟠 Hard | reservoir |
National Benchmark
How Westminster compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Westminster | 90 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
Bring Badger-quality water to your Westminster home
Shop water softeners on Amazon.com →
What Makes Westminster's Water Unique?
Local geology and source profile
Westminster, Maryland, in Carroll County — the Carroll County seat adjacent to Eldersburg and Mount Airy, in the north-central Maryland Piedmont corridor between Baltimore and Hagerstown — receives its municipal water from the Westminster Water Division, drawing from Big Pipe Creek (Patapsco River tributary) or Cranberry Creek reservoir in Carroll County, within the Maryland Piedmont watershed.
The soft 90 mg/L hardness and low TDS of 145.4 mg/L reflect the Carroll County Piedmont reservoir character. The Westminster watershed drains the Maryland Piedmont — underlain by the Precambrian Wissahickon Formation (schist and gneiss — insoluble silicate), the Cambrian Antietam Quartzite (insoluble), and the Cambrian Frederick Limestone (limited distribution, minor carbonate contributor). The predominantly silicate Piedmont crystalline rock produces the soft water characteristic of the Carroll County supply.
At 90 mg/L, Westminster's water is soft — essentially no scale forms, soap lathers abundantly, and appliances maintain good efficiency. Annual descaling is sufficient. The PFAS level of 4.7 ppt warrants a certified drinking water filter — the Aberdeen Proving Ground (Harford County — AFFF PFAS in the Patapsco-Susquehanna watershed), the Carroll County agricultural corridor, and the central Maryland Piedmont PFAS background contribute to Westminster's readings.
Geology & Source: Westminster in Carroll County draws from the Westminster Water Division on the Patapsco River watershed (Carroll County) or Big Pipe Creek (Carroll County, Piedmont) — the Patapsco and Big Pipe Creek drain the Maryland Piedmont (Precambrian Wissahickon Formation schist, Cambrian Antietam Quartzite) — Maryland Piedmont crystalline-quartzite watershed produces soft water at 90 mg/L with TDS 145 mg/L in this Carroll County Maryland city.