Hardness
Very Hard
233.5 PPM · 13.7 GPG
Local water dashboard
Official source aggregationWater quality in De Soto, WI 54624
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Vernon County.
No active health-based violation reported
- Primary matched system
- Pine Crest Resort 2-Upper Well
- Source water
- Groundwater
- County
- Vernon County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
Not reported
Check the utility CCR or tap test
Utility match
1 system
Serves 51 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
233.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
233.5
mg/L as CaCO₃ equivalent
Grains per gallon
13.7
1 GPG ≈ 17.1 PPM
What this means at home
At 233.5 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.
USGS sites used
10
Nearest site
21.4 mi
Observation range
Aug 3, 2016–May 15, 2019
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 098N05W30ACDC 08170 1957Waukon 4 (Well).USGS source documentation ↗
Regional context
Is 54624 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
De Soto median
234 PPM
About the same1 indexed ZIP readings · Range 233.5–233.5 PPM
Wisconsin median
288 PPM
54 PPM lower556 indexed ZIP readings · Range 41.3–467 PPM
EPA benchmark screen
Contaminant snapshot
Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.
Lead (PB90)
Not available
No numerical 90th-percentile result
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
0 comparable results
Missing values remain blank; absence is not treated as a pass.
No comparable measured values reported
Federal SDWIS data does not contain a numerical result and matching benchmark for this profile. Review the compliance history and the utility's Consumer Confidence Report instead.
2026Q2
- All records
- 0
- Health-based
- 0
- Active health-based
- 0
No violation record was returned for the associated systems in the imported lookback window beginning Jan 1, 2021.
No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.
Solutions matcher
Your personalized water action plan
Matched to De Soto ZIP 54624 using 233.5 PPM nearby hardness and 0 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
233.5 PPM is 2× the high-hardness trigger used by this matcher.
Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.
Compare whole-house systemsAffiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.
Frequently asked
Water questions for De Soto
Is tap water safe in De Soto?+
EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.
How hard is the water?+
Nearby USGS observations produce an estimate of 233.5 PPM, or 13.7 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 233.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.