Hardness
Hard
128 PPM · 7.5 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 Greenbrier County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
128 PPM · 7.5 GPG
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
8.1e-4 mg/L
5% of action level
Utility match
2 systems
Serves 3,845 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
128 PPM
Parts per million
128
mg/L as CaCO₃ equivalent
Grains per gallon
7.5
1 GPG ≈ 17.1 PPM
What this means at home
At 128 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
56
Nearest site
7.3 mi
Observation range
Jul 6, 2016–Jun 10, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Grb-0296 (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.
White Sulphur Springs median
130 PPM
About the same2 indexed ZIP readings · Range 128–131 PPM
West Virginia median
141 PPM
13 PPM lower219 indexed ZIP readings · Range 85.5–265 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)
8.1e-4 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.
Measured in mg/L
Local 8.1e-4
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Lead and Copper Rule | WV3301305 | Unaddressed | Dec 30, 2025 |
| Public Notice | WV3301314 | Resolved | Dec 12, 2025through Apr 7, 2025 |
| Lead and Copper Rule | WV3301305 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | WV3301305 | Unaddressed | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | WV3301305 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHM | WV3301305 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | WV3301305 | Archived | Oct 1, 2025through Oct 31, 2025 |
| Chlorine | WV3301305 | Archived | Oct 1, 2025through Oct 31, 2025 |
| Consumer Confidence Rule | WV3301305 | Unaddressed | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | WV3301305 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| TTHM | WV3301305 | Resolved | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | WV3301305 | Resolved | Feb 15, 2025through Mar 27, 2025 |
| Public Notice | WV3301305 | Resolved | Feb 15, 2025through Mar 27, 2025 |
| Public Notice | WV3301305 | Resolved | Feb 15, 2025through Mar 27, 2025 |
| Public Notice | WV3301305 | Resolved | Feb 15, 2025through Mar 27, 2025 |
| Public Notice | WV3301305 | Resolved | Feb 15, 2025through Mar 28, 2025 |
| Lead and Copper Rule | WV3301305 | Resolved | Dec 30, 2024through Mar 28, 2025 |
| Public Notice | WV3301305 | Resolved | Nov 11, 2024through Mar 28, 2025 |
| Public Notice | WV3301305 | Resolved | Nov 11, 2024through Mar 28, 2025 |
| Groundwater Rule | WV3301314 | Resolved | Oct 1, 2024through Oct 31, 2024 |
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 White Sulphur Springs ZIP 24925 using 128 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
128 PPM is 1× 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 systemsAffiliate 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.
Nearby indexed reports
Estimates can differ across a city because monitoring locations and associated systems differ.
Frequently asked
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.
Nearby USGS observations produce an estimate of 128 PPM, or 7.5 grains per gallon, classified as hard. This is not a household tap measurement.
At 128 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.