Utility-reported hardness
Unavailable
Ask your provider or test your tap
Local water dashboard
Official source aggregationRegional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Preston County.
Your tap water
Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.
Utility hardness unavailable in this index
Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.
Find an official utility report →At a glance
EPA quarter 2026Q2
Utility-reported hardness
Unavailable
Ask your provider or test your tap
All possible systems
No active flag
0 active health-based records
Measurements by utility
Each result belongs to a specific system.
Utility match
2 systems
Serves 291 people system-wide
Match the name on your water bill
These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
WV3303924 · Surface water · 291 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
EPA SDWIS Lead and Copper Rule samples
2% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
| Rule | Status | Period |
|---|---|---|
| TTHM | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| TTHM | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2023 to Dec 31, 2023 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Surface Water Treatment Rule | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2021 to Dec 31, 2021 |
| Chlorine | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Consumer Confidence Rule | Resolved | Oct 1, 2021 to Mar 23, 2026 |
| TTHM | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Total Haloacetic Acids (HAA5) | Resolved | Sep 1, 2021 to Nov 30, 2021 |
| Revised Total Coliform Rule | Resolved | Aug 1, 2021 to Aug 31, 2021 |
| Chlorine | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| Public Notice | Resolved | May 14, 2021 to Jul 2, 2021 |
| Public Notice | Resolved | May 14, 2021 to Feb 18, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Mar 1, 2021 to May 31, 2021 |
| TTHM | Resolved | Mar 1, 2021 to May 31, 2021 |
| Public Notice | Unaddressed | May 18, 2005 |
WV3303902 · Groundwater · 264 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
EPA SDWIS Lead and Copper Rule samples
60% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
| Rule | Status | Period |
|---|---|---|
| Public Notice | Unaddressed | Jun 15, 2024 |
| Public Notice | Unaddressed | Jun 15, 2024 |
| Public Notice | Unaddressed | May 15, 2024 |
| Public Notice | Unaddressed | Apr 17, 2024 |
| Public Notice | Unaddressed | Feb 16, 2024 |
| Public Notice | Unaddressed | Feb 16, 2024 |
| Public Notice | Unaddressed | Feb 16, 2024 |
| Groundwater RuleHealth-based | Resolved | Dec 1, 2023 to Dec 31, 2023 |
| Chlorine | Resolved | Apr 1, 2023 to Jun 13, 2023 |
| Revised Total Coliform Rule | Resolved | Apr 1, 2023 to Apr 30, 2023 |
| Groundwater Rule | Resolved | Mar 1, 2023 to Mar 31, 2023 |
| Groundwater Rule | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Revised Total Coliform Rule | Resolved | Dec 1, 2022 to Dec 31, 2022 |
| Consumer Confidence Rule | Unaddressed | Oct 1, 2022 |
| Chlorine | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Consumer Confidence Rule | Unaddressed | Oct 1, 2021 |
| Groundwater Rule | Resolved | Oct 1, 2021 to Oct 31, 2021 |
| Consumer Confidence Rule | Unaddressed | Jul 1, 2021 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | Resolved | Mar 12, 2021 to Apr 1, 2021 |
| Groundwater Rule | Resolved | Mar 1, 2021 to Mar 31, 2021 |
| Groundwater RuleHealth-based | Resolved | Mar 1, 2021 to Mar 31, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 14, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 13, 2021 to Apr 19, 2021 |
| Public Notice | Resolved | Feb 13, 2021 to Apr 19, 2021 |
| Lead and Copper Rule | Unaddressed | Dec 30, 2020 |
Hardness meter
168
PPM as CaCO₃
Hard
PPM
168
GPG
9.8
Regional environmental evidence
USGS hardness classification scale
168 PPM
Parts per million
168
mg/L as CaCO₃ equivalent
Grains per gallon
9.8
1 GPG ≈ 17.1 PPM
How to use regional evidence
These samples describe nearby environmental water. They cannot establish whether your tap water is soft or hard. Use a utility result or a tap test for appliance settings and treatment sizing.
USGS sites used
5
Nearest site
8.2 mi
Observation range
Mar 3, 2021–Sep 24, 2025
Regional evidence confidence
High
Median of the latest source-type-aligned hardness observation at each monitoring site within 25 miles. Nearest monitoring location: PRE03908 (Lake, Reservoir, Impoundment).USGS source documentation ↗Evidence tier: Regional environmental evidence. This value is not used as proof of the serving utility's treated-water hardness.
Regional context
These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.
Arthurdale median
168 PPM
About the same2 indexed ZIP readings · Range 168–168 PPM
West Virginia median
141 PPM
27 PPM higher169 indexed ZIP readings · Range 17.8–414 PPM
Evidence-first next steps
This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.
ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.
Use the current Consumer Confidence Report for treated-water results and official notices.
Find an official utility report →Use a tap hardness test before sizing a softener. For health concerns, use a certified laboratory and the correct sampling protocol.
Convert your hardness test result →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.
Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.
Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.