Hardness
Very Hard
310 PPM · 18.1 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 Lagrange County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
310 PPM · 18.1 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
0.0023 mg/L
15% of action level
Utility match
1 system
Serves 1,035 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
310 PPM
Parts per million
310
mg/L as CaCO₃ equivalent
Grains per gallon
18.1
1 GPG ≈ 17.1 PPM
What this means at home
At 310 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
35
Nearest site
26.1 mi
Observation range
Jun 20, 2016–May 13, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Coldwater Fen piezometer 6a-Branch County, MI (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.
Wolcottville median
310 PPM
About the same1 indexed ZIP readings · Range 310–310 PPM
Indiana median
313 PPM
About the same472 indexed ZIP readings · Range 132–371 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)
0.0023 mg/L
Reported Dec 31, 2025
Copper (CU90)
1.5 mg/L
Reported Jun 30, 2017
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Measured in mg/L
Local 0.0023
EPA limit 0.015
Measured in mg/L
Local 1.5
EPA limit 1.3
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | IN5244010 | Resolved | Jan 1, 2025through Apr 15, 2025 |
| LEAD AND COPPER RULE REVISIONS | IN5244010 | Resolved | Oct 17, 2024through Nov 25, 2024 |
| LEAD AND COPPER RULE REVISIONSHealth-based | IN5244010 | Resolved | Oct 17, 2024through Nov 25, 2024 |
| Consumer Confidence Rule | IN5244010 | Resolved | Jul 1, 2024through Oct 2, 2024 |
| Revised Total Coliform Rule | IN5244010 | Resolved | Jan 11, 2022through Jan 26, 2022 |
| Lead and Copper Rule | IN5244010 | Resolved | Jan 1, 2022through Oct 23, 2024 |
| Revised Total Coliform Rule | IN5244010 | Resolved | Aug 1, 2021through Oct 4, 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
Matched to Wolcottville ZIP 46795 using 310 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
310 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
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
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 310 PPM, or 18.1 grains per gallon, classified as very hard. This is not a household tap measurement.
At 310 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.