Saint Michael Water Hardness & Quality Report (2026)
Water Hardness
11.2 grains per gallon
Source
river
pH Level
8.2
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
410.2 mg/L
Est. Daily Cost
$0.51
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 Saint Michael, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Saint Michael | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.3 yrs | 8.5 yrs | -61% |
| Washing Machine | 6.5 yrs | 12 yrs | -46% |
| Water Heater | 8 yrs | 15 yrs | -47% |
Regional Water Comparison
How Saint Michael compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Saint Michael, Minnesota | 191 mg/L | 5.5 ppt | 🔴 Very Hard | river |
| Otsego, Minnesota | 222.5 mg/L | 6.3 ppt | 🔴 Very Hard | river |
| Rogers, Minnesota | 268.5 mg/L | 7.3 ppt | 🔴 Very Hard | river |
| Elk River, Minnesota | 262 mg/L | 7.2 ppt | 🔴 Very Hard | river |
| Monticello, Minnesota | 234.5 mg/L | 6.5 ppt | 🔴 Very Hard | river |
National Benchmark
How Saint Michael compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Saint Michael | 191 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Saint Michael's Water Unique?
Local geology and source profile
Saint Michael, Minnesota, in Wright County — a Wright County city adjacent to Albertville and Otsego in the northwest Minneapolis metro — receives its municipal water from the Saint Michael Water Division, drawing from the Mississippi River (Wright County) or local wells in the Mississippi River groundwater system.
The hard 191 mg/L hardness and TDS of 410.2 mg/L reflect the northwest Minneapolis Mississippi headwaters' strong Ordovician-Silurian carbonate character — consistent with the upper Minnesota Mississippi zone (Red Wing: 198.5 mg/L; Saint Cloud metro area). The Mississippi River at Wright County drains the Minnesota Till Plain — Ordovician Galena Dolomite (the dominant Minnesota carbonate platform), Silurian Prairie du Chien Group (high purity dolomite), and calcareous Pleistocene Des Moines Lobe till (ground-up carbonate from the Wisconsin Glaciation). The Ordovician-Silurian carbonate plains produce the hard northwest Minneapolis metro supply.
At 191 mg/L, Saint Michael's water is hard — scale builds steadily in kettles and appliances, dishwashers benefit from rinse aid, and water heaters should be descaled annually. Monthly descaling is recommended. The PFAS level of 5.5 ppt warrants a certified drinking water filter — the Wright County northwest Minneapolis suburban growth corridor and the Minnesota PFAS background from the 3M Cottage Grove manufacturing complex (upper Mississippi River PFAS source) contribute to Saint Michael's readings.
Geology & Source: Saint Michael in Wright County draws from the Saint Michael Water Division on the Mississippi River (Wright County, northwest Minneapolis metro) — the Mississippi at Wright County drains the Minnesota Till Plain (Ordovician Galena Dolomite, Silurian Prairie du Chien — calcareous, Pleistocene Des Moines Lobe till) — Minnesota Wright County Mississippi River Ordovician-Silurian carbonate watershed produces hard water at 191 mg/L with TDS 410.2 mg/L.