Hardness
Very Hard
393 PPM · 23 GPG
Local water dashboard
Official source aggregationWater quality in Juneau, WI 53039
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Dodge County.
1 active health-based violation
- Primary matched system
- Juneau Waterworks
- Source water
- Groundwater
- County
- Dodge County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0.0027 mg/L
18% of action level
Utility match
1 system
Serves 2,627 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
393 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
393
mg/L as CaCO₃ equivalent
Grains per gallon
23
1 GPG ≈ 17.1 PPM
What this means at home
At 393 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
57
Nearest site
26.1 mi
Observation range
Aug 3, 2016–Aug 27, 2024
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: WN-10/19E/13-0997 (Well).USGS source documentation ↗
Regional context
Is 53039 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Juneau median
393 PPM
About the same1 indexed ZIP readings · Range 393–393 PPM
Wisconsin median
288 PPM
105 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)
0.0027 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0027
EPA limit 0.015
Combined Radium (-226 and -228)
Measured in PCI/L
Local 5.58
EPA limit 5
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 6
- Health-based
- 4
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper RuleHealth-based | WI1140058 | Unaddressed | Jan 11, 2025 |
| Lead and Copper RuleHealth-based | WI1140058 | Resolved | Jan 11, 2024through Jan 11, 2024 |
| Public Notice | WI1140058 | Resolved | Jan 11, 2024through Dec 10, 2024 |
| Lead and Copper RuleHealth-based | WI1140058 | Resolved | Jan 11, 2023through Feb 14, 2023 |
| Combined Radium (-226 and -228)Health-basedReported 5.58 PCI/L · MCL 5 | WI1140058 | Resolved | Jan 1, 2021through Mar 31, 2021 |
| Lead and Copper Rule | WI1140058 | Unaddressed | Jan 1, 2012 |
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 Juneau ZIP 53039 using 393 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
393 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
Combined Radium (-226 and -228), Lead and Copper Rule have 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 Juneau
Is tap water safe in Juneau?+
EPA ECHO reports 1 active health-based violation among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
How hard is the water?+
Nearby USGS observations produce an estimate of 393 PPM, or 23 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 393 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.