Hardness
Very Hard
191 PPM · 11.2 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 Marion County.
At a glance
EPA quarter 2026Q2
Hardness
Very Hard
191 PPM · 11.2 GPG
Compliance screen
Review needed
12 active health-based records
Lead 90th percentile
3.6e-4 mg/L
2% of action level
Utility match
2 systems
Serves 699 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
191 PPM
Parts per million
191
mg/L as CaCO₃ equivalent
Grains per gallon
11.2
1 GPG ≈ 17.1 PPM
What this means at home
At 191 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
65
Nearest site
20.6 mi
Observation range
Jan 19, 2016–Sep 25, 2025
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Whiteley Creek at Kirby, PA (Stream).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.
Farmington median
191 PPM
About the same1 indexed ZIP readings · Range 191–191 PPM
West Virginia median
141 PPM
50 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)
3.6e-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 3.6e-4
EPA limit 0.015
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | WV3302521 | Unaddressed | Mar 13, 2026 |
| Public Notice | WV3302521 | Unaddressed | Mar 13, 2026 |
| Public Notice | WV3302521 | Resolved | Nov 15, 2025through Feb 4, 2026 |
| Lead and Copper Rule | WV3302521 | Unaddressed | Jul 1, 2025 |
| Chlorine | WV3302521 | Archived | May 1, 2025through May 31, 2025 |
| Revised Total Coliform Rule | WV3302521 | Archived | May 1, 2025through May 31, 2025 |
| Revised Total Coliform Rule | WV3302521 | Archived | Apr 1, 2025through Apr 30, 2025 |
| Surface Water Treatment Rule | WV3302521 | Archived | Apr 1, 2025through Apr 30, 2025 |
| TTHM | WV3302521 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Total Haloacetic Acids (HAA5) | WV3302521 | Archived | Apr 1, 2025through Jun 30, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 2025 |
| Public Notice | WV3302504 | Unaddressed | Mar 14, 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
Matched to Farmington ZIP 26571 using 191 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
191 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 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.
Frequently asked
EPA ECHO reports 12 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.
Nearby USGS observations produce an estimate of 191 PPM, or 11.2 grains per gallon, classified as very hard. This is not a household tap measurement.
At 191 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.