Waconia Water Hardness & Quality Report (2026)
Water Hardness
4.5 grains per gallon
Source
river
pH Level
7.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
117.5 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 Waconia, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Waconia | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7 yrs | 8.5 yrs | -18% |
| Washing Machine | 10.7 yrs | 12 yrs | -11% |
| Water Heater | 12.5 yrs | 15 yrs | -17% |
Regional Water Comparison
How Waconia compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Waconia, Minnesota | 77.5 mg/L | 2.9 ppt | 🟡 Moderately Hard | river |
| Chaska, Minnesota | 99.5 mg/L | 3.4 ppt | 🟡 Moderately Hard | river |
| Chanhassen, Minnesota | 94.5 mg/L | 3.3 ppt | 🟡 Moderately Hard | river |
| Shakopee, Minnesota | 120.5 mg/L | 3.9 ppt | 🟠 Hard | river |
| Minnetonka, Minnesota | 213 mg/L | 6 ppt | 🔴 Very Hard | river |
National Benchmark
How Waconia compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Waconia | 77.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Waconia's Water Unique?
Local geology and source profile
Waconia, Minnesota, in Carver County — a Carver County city adjacent to Chaska and Victoria southwest of Minneapolis in the Minnesota River valley region — receives its water from the City of Waconia Water system, drawing from Lake Waconia through the southwest Minnesota distribution.
The soft 77.5 mg/L hardness and low TDS of 117.5 mg/L are unusually soft for Minnesota — the Ordovician Prairie du Chien Dolomite beneath Carver County contributes only slight dolomitic minerals, while the glacial drift in this area is predominantly sandy outwash with lower calcareous content than typical Minnesota till (compare Chaska MN: 75/113 in Carver County comparable; Victoria MN: 80/122 in Carver County comparable; Waconia consistent soft from the same Carver County Lake Waconia Ordovician-glacial supply). The Lake Waconia watershed at Carver County — Ordovician Prairie du Chien Dolomite (slightly dolomitic — primary hardness contributor), Quaternary glacial outwash (slightly calcareous — secondary contributor), and Holocene lake deposits (insoluble — dilutant).
At 77.5 mg/L with TDS 118, Waconia's water is soft — minimal scale buildup by Minnesota standards. Annual descaling is appropriate. The PFAS level of 2.9 ppt is low — a favorable result for a Minnesota community. Review the City of Waconia's annual water quality report for the latest contaminant data.
Geology & Source: Waconia in Carver County draws from Waconia Water on Lake Waconia (Carver County, southwest Minnesota) — the Minnesota River at Carver County drains Ordovician Prairie du Chien Dolomite (slightly dolomitic) and Quaternary glacial drift (slightly calcareous) — Minnesota Carver County Lake Waconia Ordovician-glacial supply produces soft water at 77.5 mg/L with TDS 117.5 mg/L.