Hardness
Hard
124.5 PPM · 7.3 GPG
Local water dashboard
Official source aggregationWater quality in Grantsville, WV 26147
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Calhoun County.
7 active health-based violations
- Primary matched system
- Mount Zion P S D
- Source water
- Surface water
- County
- Calhoun County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
7 active health-based records
Lead 90th percentile
4.9e-4 mg/L
3% of action level
Utility match
2 systems
Serves 1,163 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
124.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
124.5
mg/L as CaCO₃ equivalent
Grains per gallon
7.3
1 GPG ≈ 17.1 PPM
What this means at home
At 124.5 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
22
Nearest site
36.8 mi
Observation range
Mar 21, 2016–Oct 28, 2024
Estimate confidence
Low
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: OHIO RIVER @ MILE 183.0 (Stream).USGS source documentation ↗
Regional context
Is 26147 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Grantsville median
125 PPM
About the same1 indexed ZIP readings · Range 124.5–124.5 PPM
West Virginia median
141 PPM
16 PPM lower219 indexed ZIP readings · Range 85.5–265 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 pass1 fail
Lead (PB90)
4.9e-4 mg/L
Reported Dec 31, 2025
Copper (CU90)
Not available
No numerical 90th-percentile result
Numerical coverage
2 comparable results
Missing values remain blank; absence is not treated as a pass.
Lead (90th percentile)
Measured in mg/L
Local 4.9e-4
EPA limit 0.015
TTHM
Measured in UG/L
Local 100
EPA limit 0.08
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 137
- Health-based
- 17
- Active health-based
- 7
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | WV3300702 | Unaddressed | Mar 30, 2026 |
| Long Term 2 Enhanced Surface Water Treatment RuleHealth-based | WV3300702 | Unaddressed | Mar 24, 2026 |
| Public Notice | WV3300702 | Unaddressed | Mar 13, 2026 |
| Public Notice | WV3300702 | Unaddressed | Mar 13, 2026 |
| Public Notice | WV3300702 | Unaddressed | Feb 12, 2026 |
| Public Notice | WV3300702 | Unaddressed | Feb 12, 2026 |
| Public Notice | WV3300702 | Unaddressed | Jan 10, 2026 |
| Total Haloacetic Acids (HAA5) | WV3300702 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHMHealth-basedReported 100 UG/L · MCL 0.08 | WV3300702 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHM | WV3300702 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHM | WV3300702 | Unaddressed | Dec 30, 2025 |
| Chlorine | WV3300702 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Revised Total Coliform Rule | WV3300702 | Archived | Dec 1, 2025through Dec 31, 2025 |
| Surface Water Treatment Rule | WV3300702 | Archived | Nov 1, 2025through Nov 30, 2025 |
| Public Notice | WV3300702 | Unaddressed | Oct 10, 2025 |
| Lead and Copper Rule | WV3300702 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | WV3300702 | Unaddressed | Oct 1, 2025 |
| Revised Total Coliform Rule | WV3300702 | Archived | Oct 1, 2025through Oct 31, 2025 |
| TTHMHealth-basedReported 100 UG/L · MCL 0.08 | WV3300702 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Surface Water Treatment Rule | WV3300702 | Archived | Oct 1, 2025through Oct 31, 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 Grantsville ZIP 26147 using 124.5 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
124.5 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 systemsDrinking water protection
Under-Sink Reverse Osmosis System
TTHM, Long Term 2 Enhanced Surface Water Treatment Rule 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
Water questions for Grantsville
Is tap water safe in Grantsville?+
EPA ECHO reports 7 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 124.5 PPM, or 7.3 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 124.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.