Hardness
Hard
142.5 PPM · 8.3 GPG
Local water dashboard
Official source aggregationWater quality in Sistersville, WV 26175
A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Tyler County.
1 active health-based violation
- Primary matched system
- Sistersville Municipal Water
- Source water
- Groundwater
- County
- Tyler County
- Profile updated
At a glance
What the current records say
EPA quarter 2026Q2
Compliance screen
Review needed
1 active health-based record
Lead 90th percentile
0.0023 mg/L
15% of action level
Utility match
1 system
Serves 1,892 people system-wide
Hardness meter
How hard is the water?
Estimated local hardness
USGS hardness classification scale
142.5 PPM
Soft
0–59Moderate
60–120Hard
121–180Very hard
181+
0–59Moderate
60–120Hard
121–180Very hard
181+
Parts per million
142.5
mg/L as CaCO₃ equivalent
Grains per gallon
8.3
1 GPG ≈ 17.1 PPM
What this means at home
At 142.5 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
56
Nearest site
3.5 mi
Observation range
Jun 1, 2016–Jun 1, 2026
Estimate confidence
Moderate
Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: Tyl-0100 (Well).USGS source documentation ↗
Regional context
Is 26175 typical?
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Sistersville median
143 PPM
About the same1 indexed ZIP readings · Range 142.5–142.5 PPM
West Virginia median
141 PPM
About the same219 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 pass
Lead (PB90)
0.0023 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.
Lead (90th percentile)
Measured in mg/L
Local 0.0023
EPA limit 0.015
Share of EPA benchmark
100% line = listed limit
2026Q2
- All records
- 56
- Health-based
- 5
- Active health-based
- 1
| Contaminant or rule | System | Status | Period |
|---|---|---|---|
| TTHM | WV3304803 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Lead and Copper Rule | WV3304803 | Unaddressed | Jan 1, 2026 |
| Total Haloacetic Acids (HAA5) | WV3304803 | Archived | Jan 1, 2026through Mar 31, 2026 |
| Consumer Confidence Rule | WV3304803 | Unaddressed | Oct 1, 2025 |
| TTHM | WV3304803 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | WV3304803 | Archived | Oct 1, 2025through Dec 31, 2025 |
| Lead and Copper Rule | WV3304803 | Unaddressed | Jul 1, 2025 |
| Public Notice | WV3304803 | Resolved | Dec 15, 2024through Jan 10, 2025 |
| Public Notice | WV3304803 | Resolved | Nov 14, 2024through Jan 10, 2025 |
| Public Notice | WV3304803 | Resolved | Nov 14, 2024through Jan 10, 2025 |
| Consumer Confidence Rule | WV3304803 | Unaddressed | Oct 1, 2024 |
| Groundwater RuleHealth-based | WV3304803 | Unaddressed | Sep 26, 2024 |
| Public Notice | WV3304803 | Resolved | Sep 12, 2024through Jan 10, 2025 |
| Lead and Copper Rule | WV3304803 | Resolved | Jul 1, 2024through Jan 8, 2025 |
| Revised Total Coliform Rule | WV3304803 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| Surface Water Treatment Rule | WV3304803 | Resolved | Sep 1, 2023through Sep 30, 2023 |
| Chlorine | WV3304803 | Resolved | Jul 1, 2023through Sep 30, 2023 |
| Public Notice | WV3304803 | Resolved | May 14, 2023through Jan 10, 2025 |
| Public Notice | WV3304803 | Resolved | Feb 16, 2023through Jan 10, 2025 |
| Public Notice | WV3304803 | Resolved | Feb 16, 2023through Jan 10, 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 Sistersville ZIP 26175 using 142.5 PPM nearby hardness and 1 reported measurement benchmarks.
Scale protection
High-Capacity Whole House Water Softener
142.5 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
Groundwater Rule has 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 Sistersville
Is tap water safe in Sistersville?+
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.
How hard is the water?+
Nearby USGS observations produce an estimate of 142.5 PPM, or 8.3 grains per gallon, classified as hard. This is not a household tap measurement.
Do I need a water softener?+
At 142.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.