Hardness
Very Hard
256.5 PPM · 15 GPG
Local water dashboard
Official source aggregationWater quality in La Porte, IN 46350
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Laporte County.
5 active health-based violations
- Primary matched system
- Shady Grove Mobile Home Park
- Source water
- Groundwater
- County
- Laporte County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
5 active health-based records
Lead 90th percentile
0.0016 mg/L
11% of action level
Utility match
5 systems
Serves 100 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
256.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
256.5
mg/L as CaCO₃ equivalent
Grains per gallon
15
1 GPG ≈ 17.1 PPM
What this means at home
At 256.5 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
48
Nearest site
14.4 mi
Observation range
Aug 7, 2017–May 13, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: KANKAKEE WELL FIELD N-1 NEAR HANNA, IN (Well).USGS source documentation ↗
Regional context
Is 46350 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
La Porte median
257 PPM
About the same1 indexed ZIP readings · Range 256.5–256.5 PPM
Indiana median
313 PPM
56 PPM lower472 indexed ZIP readings · Range 132–371 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 pass
Lead (PB90)
0.0016 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
1 comparable result
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 0.0016
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 156
- Health-based
- 8
- Active health-based
- 5
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Groundwater RuleHealth-based | IN5246011 | Unaddressed | Mar 16, 2026 |
| Public Notice | IN5246026 | Unaddressed | Dec 2, 2025 |
| E. COLI | IN5246026 | Unaddressed | Nov 10, 2025 |
| Consumer Confidence Rule | IN5246023 | Unaddressed | Oct 1, 2025 |
| Revised Total Coliform Rule | IN5246024 | Resolved | Aug 1, 2025through Aug 31, 2025 |
| Revised Total Coliform RuleHealth-based | IN5246023 | Resolved | Aug 1, 2025through Aug 31, 2025 |
| 1,2,4-Trichlorobenzene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| cis-1,2-Dichloroethylene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Xylenes, Total | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| o-Dichlorobenzene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| 1,1-Dichloroethylene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| trans-1,2-Dichloroethylene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| 1,1,1-Trichloroethane | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Carbon tetrachloride | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Trichloroethylene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| 1,1,2-Trichloroethane | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Tetrachloroethylene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Benzene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Toluene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
| Ethylbenzene | IN5246024 | Resolved | Jul 1, 2025through Sep 30, 2025 |
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 La Porte ZIP 46350 using 256.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
256.5 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
Under-Sink Reverse Osmosis System
Groundwater Rule 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 La Porte
Is tap water safe in La Porte?+
EPA ECHO reports 5 active health-based violations 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 256.5 PPM, or 15 grains per gallon, classified as very hard. This is not a household tap measurement.
Do I need a water softener?+
At 256.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.