Jackson Water Hardness & Quality Report (2026)
Water Hardness
4 grains per gallon
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
115.4 mg/L
Est. Daily Cost
$0.18
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 Jackson, your appliances are currently losing 9% efficiency due to mineral buildup.
| Appliance | In Jackson | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.3 yrs | 8.5 yrs | -14% |
| Washing Machine | 11 yrs | 12 yrs | -8% |
| Water Heater | 12.8 yrs | 15 yrs | -15% |
Regional Water Comparison
How Jackson compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Jackson, Wyoming | 69 mg/L | 1.3 ppt | 🟡 Moderately Hard | reservoir |
| Conda, Idaho | 74.5 mg/L | 1.7 ppt | 🟡 Moderately Hard | reservoir |
| Rexburg, Idaho | 90.5 mg/L | 1.9 ppt | 🟡 Moderately Hard | reservoir |
| Ammon, Idaho | 63.5 mg/L | 1.5 ppt | 🟡 Moderately Hard | reservoir |
| Idaho Falls, Idaho | 44.5 mg/L | 1.3 ppt | 🟢 Soft | reservoir |
National Benchmark
How Jackson compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Jackson | 69 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Jackson's Water Unique?
Local geology and source profile
Jackson, Wyoming, in Teton County — the Teton County seat adjacent to Wilson and Driggs near Grand Teton National Park in northwest Wyoming — receives its water from the Town of Jackson Water Department, drawing from the Flat Creek watershed through the Teton Valley distribution.
The soft 69 mg/L hardness and low TDS of 115.4 mg/L reflect the Teton County supply's soft metamorphic character — the Precambrian Teton Gneiss and Cambrian Flathead Sandstone are largely insoluble crystalline and sandstone formations in the Teton Range, contributing minimal dissolved mineral content to the clean snowmelt-fed Flat Creek supply (compare Wilson WY: 65/108 in Teton County comparable; Driggs ID: 72/122 in Teton County comparable; Jackson consistent soft from the same Teton County Flat Creek Precambrian insoluble supply). The Flat Creek watershed — Precambrian Teton Gneiss (insoluble — primary dilutant), Cambrian Flathead Sandstone (slightly calcareous — secondary dilutant), and Quaternary Teton Valley glacial till (slightly calcareous — minimal TDS).
At 69 mg/L with TDS 115, Jackson's water is soft — minimal scale buildup, appliances last well. Annual descaling as preventative maintenance is sufficient. The PFAS level of 1.3 ppt is very low — an excellent and clean result for Teton County. Review the Town of Jackson's annual water quality report.
Geology & Source: Jackson in Teton County draws from the Jackson Water on the Flat Creek watershed (Teton County, northwest Wyoming) — the Teton Range at Jackson draws from Precambrian Teton Gneiss (insoluble) and Cambrian Flathead Sandstone (slightly calcareous) — Wyoming Teton County Flat Creek Precambrian insoluble supply produces soft water at 69 mg/L with TDS 115.4 mg/L.