Hardness
Hard
150 PPM · 8.8 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 Pocahontas County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
150 PPM · 8.8 GPG
Compliance screen
No active flag
0 active health-based records
Lead 90th percentile
9.4e-4 mg/L
6% of action level
Utility match
1 system
Serves 1,930 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
150 PPM
Parts per million
150
mg/L as CaCO₃ equivalent
Grains per gallon
8.8
1 GPG ≈ 17.1 PPM
What this means at home
At 150 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
22
Nearest site
25.8 mi
Observation range
Jan 20, 2016–Jun 30, 2026
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: ELKWATER FORK NEAR SPANGLER, WV (Lake, Reservoir, Impoundment).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.
Marlinton median
131 PPM
19 PPM higher2 indexed ZIP readings · Range 112–150 PPM
West Virginia median
141 PPM
9 PPM higher219 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)
9.4e-4 mg/L
Reported Dec 31, 2024
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 9.4e-4
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | WV3303803 | Unaddressed | May 16, 2025 |
| Interim Enhanced Surface Water Treatment Rule | WV3303803 | Resolved | May 1, 2025through May 31, 2025 |
| Surface Water Treatment Rule | WV3303803 | Resolved | May 1, 2025through May 31, 2025 |
| Public Notice | WV3303803 | Resolved | Feb 16, 2024through May 21, 2025 |
| Public Notice | WV3303803 | Resolved | Feb 16, 2024through May 21, 2025 |
| TTHM | WV3303803 | Resolved | Jan 1, 2024through Mar 31, 2024 |
| Consumer Confidence Rule | WV3303803 | Unaddressed | Oct 1, 2022 |
| Revised Total Coliform Rule | WV3303803 | Resolved | Aug 1, 2022through Aug 31, 2022 |
| Surface Water Treatment Rule | WV3303803 | Resolved | Aug 1, 2022through Aug 31, 2022 |
| Revised Total Coliform Rule | WV3303803 | Resolved | Mar 1, 2022through Mar 31, 2022 |
| Interim Enhanced Surface Water Treatment Rule | WV3303803 | Resolved | Mar 1, 2022through Mar 31, 2022 |
| Surface Water Treatment Rule | WV3303803 | Resolved | Mar 1, 2022through Mar 31, 2022 |
| Chlorine | WV3303803 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| CARBON, TOTAL | WV3303803 | Resolved | Jan 1, 2022through Mar 31, 2022 |
| p-Dichlorobenzene | WV3303803 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| Vinyl chloride | WV3303803 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| 1,2-Dichloroethane | WV3303803 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| 1,1,1-Trichloroethane | WV3303803 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| Carbon tetrachloride | WV3303803 | Resolved | Jan 1, 2022through Dec 31, 2022 |
| Trichloroethylene | WV3303803 | Resolved | Jan 1, 2022through Dec 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 Marlinton ZIP 24954 using 150 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
150 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 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 150 PPM, or 8.8 grains per gallon, classified as hard. This is not a household tap measurement.
At 150 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.