Hardness
Very Hard
395 PPM · 23.1 GPG
Local water dashboard
Official source aggregationWater quality in Ixonia, WI 53036
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Jefferson County.
1 reported benchmark flag
- Primary matched system
- Autumn Ridge Water System Llc
- Source water
- Groundwater
- County
- Jefferson 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
0.0068 mg/L
46% of action level
Utility match
6 systems
Serves 575 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
395 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
395
mg/L as CaCO₃ equivalent
Grains per gallon
23.1
1 GPG ≈ 17.1 PPM
What this means at home
At 395 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
76
Nearest site
17.7 mi
Observation range
May 31, 2017–Aug 20, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 7N19E-29.5f (Well).USGS source documentation ↗
Regional context
Is 53036 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Ixonia median
395 PPM
About the same1 indexed ZIP readings · Range 395–395 PPM
Wisconsin median
288 PPM
107 PPM higher556 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.
1 pass1 fail
Lead (PB90)
0.0068 mg/L
Reported Sep 30, 2025
Copper (CU90)
7.76 mg/L
Reported Sep 30, 2021
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0068
EPA limit 0.015
Copper (90th percentile)
Measured in mg/L
Local 7.76
EPA limit 1.3
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 14
- Health-based
- 4
- Active health-based
- 0
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| E. COLI | WI1281099 | Resolved | Jan 17, 2025through Jan 17, 2025 |
| Revised Total Coliform RuleHealth-based | WI1280055 | Resolved | Aug 13, 2024through Aug 27, 2024 |
| Revised Total Coliform Rule | WI1280055 | Resolved | Aug 13, 2024through Aug 27, 2024 |
| Revised Total Coliform RuleHealth-based | WI1281100 | Resolved | Jul 27, 2024through Aug 16, 2024 |
| Revised Total Coliform Rule | WI1281100 | Resolved | Jul 27, 2024through Aug 16, 2024 |
| Lead and Copper Rule | WI1280055 | Resolved | Apr 1, 2024through Apr 16, 2025 |
| Consumer Confidence Rule | WI1281138 | Resolved | Jul 1, 2023through Jul 25, 2023 |
| Consumer Confidence Rule | WI1281138 | Resolved | Jul 1, 2023through Jul 25, 2023 |
| Lead and Copper Rule | WI1281138 | Resolved | Jan 1, 2022through Feb 15, 2022 |
| Lead and Copper Rule | WI1280055 | Resolved | Jan 1, 2022through Feb 28, 2022 |
| Lead and Copper Rule | WI1281162 | Resolved | Jan 1, 2022through Feb 24, 2022 |
| Public Notice | WI1280055 | Resolved | Dec 11, 2021through Feb 28, 2022 |
| Lead and Copper RuleHealth-based | WI1280055 | Resolved | Oct 1, 2021through Feb 28, 2022 |
| Lead and Copper RuleHealth-based | WI1280055 | Resolved | Oct 1, 2021through May 17, 2022 |
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 Ixonia ZIP 53036 using 395 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
395 PPM is 3× 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 systemsDrinking water protection
Under-Sink Reverse Osmosis System
Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.
A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.
Explore under-sink filtrationAffiliate 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 Ixonia
Is tap water safe in Ixonia?+
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 395 PPM, or 23.1 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 395 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.