Hardness
Hard
140 PPM · 8.2 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 Roane County.
At a glance
EPA quarter 2026Q2
Hardness
Hard
140 PPM · 8.2 GPG
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
7.4e-4 mg/L
5% of action level
Utility match
1 system
Serves 480 people system-wide
Hardness meter
Estimated local hardness
USGS hardness classification scale
140 PPM
Parts per million
140
mg/L as CaCO₃ equivalent
Grains per gallon
8.2
1 GPG ≈ 17.1 PPM
What this means at home
At 140 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
17
Nearest site
16.9 mi
Observation range
Mar 21, 2016–Oct 28, 2024
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: OHIO RIVER AT LOCK AND DAM 22 AT RAVENSWOOD, WV (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.
Reedy median
140 PPM
About the same1 indexed ZIP readings · Range 140–140 PPM
West Virginia median
141 PPM
About the same219 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)
7.4e-4 mg/L
Reported Dec 31, 2024
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.
Measured in mg/L
Local 7.4e-4
EPA limit 0.015
Measured in UG/L
Local 86
EPA limit 0.08
100% line = listed limit
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| Public Notice | WV3304408 | Unaddressed | Feb 12, 2026 |
| Total Haloacetic Acids (HAA5) | WV3304408 | Archived | Jan 1, 2026through Mar 31, 2026 |
| TTHM | WV3304408 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Revised Total Coliform RuleHealth-based | WV3304408 | Unaddressed | Nov 15, 2025 |
| Lead and Copper Rule | WV3304408 | Unaddressed | Oct 1, 2025 |
| Consumer Confidence Rule | WV3304408 | Unaddressed | Oct 1, 2025 |
| Total Haloacetic Acids (HAA5) | WV3304408 | Archived | Oct 1, 2025through Dec 31, 2025 |
| TTHM | WV3304408 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Surface Water Treatment Rule | WV3304408 | Archived | Sep 1, 2025through Sep 30, 2025 |
| Chlorine | WV3304408 | Archived | Sep 1, 2025through Sep 30, 2025 |
| Public Notice | WV3304408 | Unaddressed | Aug 14, 2025 |
| Public Notice | WV3304408 | Unaddressed | Aug 14, 2025 |
| Surface Water Treatment Rule | WV3304408 | Archived | Aug 1, 2025through Aug 31, 2025 |
| Revised Total Coliform Rule | WV3304408 | Archived | Aug 1, 2025through Aug 31, 2025 |
| Public Notice | WV3304408 | Unaddressed | Jul 11, 2025 |
| Consumer Confidence Rule | WV3304408 | Unaddressed | Jul 1, 2025 |
| Total Haloacetic Acids (HAA5) | WV3304408 | Archived | Jul 1, 2025through Sep 30, 2025 |
| TTHM | WV3304408 | Archived | Jul 1, 2025through Sep 30, 2025 |
| Public Notice | WV3304408 | Unaddressed | Jun 15, 2025 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | WV3304408 | Resolved | Feb 10, 2025through Feb 13, 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 Reedy ZIP 25270 using 140 PPM nearby hardness and 2 reported measurement benchmarks.
Scale protection
140 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
TTHM, Revised Total Coliform 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
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 140 PPM, or 8.2 grains per gallon, classified as hard. This is not a household tap measurement.
At 140 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.