Hardness
Very Hard
362.5 PPM · 21.2 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 Rush County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
362.5 PPM · 21.2 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 313 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
362.5 PPM
Parts per million
362.5
mg/L as CaCO₃ equivalent
Grains per gallon
21.2
1 GPG ≈ 17.1 PPM
What this means at home
At 362.5 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
96
Nearest site
11.3 mi
Observation range
Mar 30, 2016–Sep 10, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: NAWQA AG WELL TP22 NEAR SEXTON, IN (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.
Glenwood median
363 PPM
About the same1 indexed ZIP readings · Range 362.5–362.5 PPM
Indiana median
313 PPM
50 PPM higher472 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, 2024
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
3 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 UG/L
Local 129.5
EPA limit 0.08
Measured in UG/L
Local 79.8
EPA limit 0.06
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHMHealth-basedReported 129.5 UG/L · MCL 0.08 | IN5270002 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Total Haloacetic Acids (HAA5)Health-basedReported 79.8 UG/L · MCL 0.06 | IN5270002 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHMHealth-basedReported 137 UG/L · MCL 0.08 | IN5270002 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHMHealth-basedReported 141 UG/L · MCL 0.08 | IN5270002 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 82.8 UG/L · MCL 0.06 | IN5270002 | Archived | Jul 1, 2025through Sep 30, 2025 |
| TTHMHealth-basedReported 142 UG/L · MCL 0.08 | IN5270002 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 96.6 UG/L · MCL 0.06 | IN5270002 | Archived | Apr 1, 2025through Jun 30, 2025 |
| TTHMHealth-basedReported 108.9 UG/L · MCL 0.08 | IN5270002 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Total Haloacetic Acids (HAA5)Health-basedReported 102.7 UG/L · MCL 0.06 | IN5270002 | Archived | Jan 1, 2025through Mar 31, 2025 |
| Groundwater Rule | IN5270002 | Unaddressed | Sep 12, 2023 |
| Revised Total Coliform Rule | IN5270002 | Resolved | Aug 1, 2021through Oct 6, 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 Glenwood ZIP 46133 using 362.5 PPM nearby hardness and 3 reported measurement benchmarks.
Scale protection
362.5 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
TTHM, Total Haloacetic Acids (HAA5) 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 362.5 PPM, or 21.2 grains per gallon, classified as very hard. This is not a household tap measurement.
At 362.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.