Suamico Water Hardness & Quality Report (2026)
Water Hardness
10.9 grains per gallon
Source
groundwater
pH Level
8.2
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
529.6 mg/L
Est. Daily Cost
$0.50
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 Suamico, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Suamico | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.4 yrs | 8.5 yrs | -60% |
| Washing Machine | 6.7 yrs | 12 yrs | -44% |
| Water Heater | 8.1 yrs | 15 yrs | -46% |
Regional Water Comparison
How Suamico compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Suamico, Wisconsin | 186.5 mg/L | 5.1 ppt | 🔴 Very Hard | groundwater |
| Howard, Wisconsin | 202 mg/L | 5.5 ppt | 🔴 Very Hard | groundwater |
| Green Bay, Wisconsin | 242 mg/L | 6.4 ppt | 🔴 Very Hard | groundwater |
| Ashwaubenon, Wisconsin | 213 mg/L | 5.7 ppt | 🔴 Very Hard | groundwater |
| Allouez, Wisconsin | 174.5 mg/L | 4.8 ppt | 🟠 Hard | groundwater |
National Benchmark
How Suamico compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Suamico | 186.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Suamico's Water Unique?
Local geology and source profile
Suamico, Wisconsin, in Brown County — a Brown County village adjacent to Green Bay on the Fox River in northeast Wisconsin — receives its water from the Village of Suamico Water, drawing from Brown County groundwater (Brown County) through the northeast Wisconsin distribution.
The hard 186.5 mg/L hardness and TDS of 529.6 mg/L reflect the northeast Wisconsin Brown County Silurian dolomite supply's hard dolomitic character — the Silurian Niagaran Dolomite and Ordovician Galena Group dolomite produce hard water typical of the Fox River valley communities in northeast Wisconsin (compare Green Bay WI: 198/539 in Brown County comparable from the same aquifer; Suamico slightly softer from the shallower Brown County dolomite draw). The Brown County groundwater — Silurian Niagaran Dolomite (highly dolomitic — primary hardness contributor), Ordovician Galena Group dolomite (dolomitic — secondary contributor), and Quaternary Fox River alluvium (calcareous — TDS contributor).
At 186.5 mg/L with TDS 530, Suamico's water is hard. A water softener is recommended to prevent scale buildup. A reverse osmosis system is advisable for drinking water. The PFAS level of 5.1 ppt warrants a certified drinking water filter — the Brown County northeast Wisconsin industrial corridor contribute to Suamico's elevated readings.
Geology & Source: Suamico in Brown County is served by Village of Suamico Water drawing from Brown County groundwater — the Brown County aquifer drains Silurian Niagaran Dolomite (highly dolomitic) and Ordovician Galena Group dolomite (dolomitic) — WI Brown County Silurian dolomitic groundwater supply produces hard water at 186.5 mg/L with TDS 529.6 mg/L.