Hardness
Very Hard
270.5 PPM · 15.8 GPG
Local water dashboard
Official source aggregationA source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Iowa County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
270.5 PPM · 15.8 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0182 mg/L
121% of action level
Utility match
1 system
Serves 875 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
270.5 PPM
Parts per million
270.5
mg/L as CaCO₃ equivalent
Grains per gallon
15.8
1 GPG ≈ 17.1 PPM
What this means at home
At 270.5 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
64
Nearest site
10.3 mi
Observation range
Feb 9, 2016–Mar 3, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 081N13W02AAA (Well).USGS source documentation ↗
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Victor median
271 PPM
About the same1 indexed ZIP readings · Range 270.5–270.5 PPM
Iowa median
281 PPM
10 PPM lower721 indexed ZIP readings · Range 182–834 PPM
EPA benchmark screen
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)
0.0182 mg/L
Reported Dec 31, 2023
Copper (CU90)
1.39 mg/L
Reported Dec 31, 2011
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0182
EPA limit 0.015
Measured in mg/L
Local 1.39
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Revised Total Coliform Rule | IA4875050 | Resolved | Mar 1, 2024through Mar 31, 2024 |
| Revised Total Coliform Rule | IA4875050 | Resolved | Aug 1, 2023through Aug 31, 2023 |
| Revised Total Coliform Rule | IA4875050 | Resolved | Nov 1, 2022through Nov 30, 2022 |
| Public Notice | IA4875050 | Resolved | Jul 25, 2022through Nov 1, 2022 |
| Consumer Confidence Rule | IA4875050 | Resolved | Jul 1, 2022through Aug 26, 2022 |
| Nitrite | IA4875050 | Resolved | Jan 1, 2022through Mar 31, 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
Matched to Victor ZIP 52347 using 270.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
270.5 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 systemsDrinking water protection
Lead (90th percentile), Copper (90th percentile) 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
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.
Nearby USGS observations produce an estimate of 270.5 PPM, or 15.8 grains per gallon, classified as very hard. This is not a household tap measurement.
At 270.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.