Why does water hardness vary across West Virginia?

Water hardness varies across West Virginia because utilities can use different groundwater wells, reservoirs, treatment plants, blends, and distribution zones. Private wells can also differ from nearby municipal water.

What city in West Virginia has the hardest water?

Monongah has the hardest water among higher-confidence West Virginia city pages at 480 PPM. Check the city page for local systems and ZIP codes before making treatment decisions.

Does this include municipal water, well water, or both?

The state report combines public water system records, utility reports, and USGS monitoring where available. Municipal treated-water records are preferred when present. Private well hardness can vary at the address level and should be confirmed with a local test.

How many water systems are in West Virginia?

West Virginia has 412 active community water systems serving 690 cities.

Water Hardness in West Virginia

Average: 197 PPMHard690 cities412 water systems

State report

Is West Virginia Water Hard or Soft?

West Virginia water is hard on average at 197 PPM (11.5 GPG). Local readings can vary by utility, aquifer, treatment plant, and private well use.

State average

197 PPM

Hard

Local coverage

690 cities

412 water systems

Source profile

575 ZIPs

direct or USGS-backed

82% of covered ZIPs use treated-water records or USGS monitoring, so the state report has relatively strong source support.

Methodology Data sources Search by ZIP code

State data profile

How to read the West Virginia results

State pages are screening and comparison hubs. They summarize ZIP, city, and water-system patterns so you can find the local page that best matches your home or utility.

Direct or USGS-backed ZIPs

575 of 701

82% use treated-water records or USGS monitoring.

Estimated ZIP values

126 ZIPs

18% use nearby, county, or state-level fallback values.

Dataset update

March 9, 2026

Source coverage and rollups are rebuilt from the public dataset.

Use the source coverage below to judge how much local confirmation a specific city or ZIP needs. The methodology page explains the source hierarchy, weighting, and limitations.

State Average

197 PPM

Hard

Coverage

690 cities

412 water systems in the state rollup.

Data Source Coverage

ZIP-level source mix for West Virginia; higher direct and USGS coverage means less reliance on regional estimates.

701 ZIPs covered

Verified treated water

Utility, CCR, or state treated-water records

35%

247 ZIPs

High-confidence USGS

Environmental monitoring matched to local systems

47%

328 ZIPs

Estimated

Nearby, county, or state-level fallback values

18%

126 ZIPs

In West Virginia, 35% of ZIPs use verified treated-water records, 47% use high-confidence USGS monitoring, and 18% use estimates that should be confirmed locally for treatment decisions.

What the Data Shows in West Virginia

Hard water is common but not universal in West Virginia: 33% of classified ZIPs are hard or very hard.

West Virginia uses a mixed data profile across treated-water records, USGS monitoring, and estimated fallback values.

Use the city table below to compare local results. For estimated locations or unusually high readings, confirm with your utility or a home hardness test before sizing treatment equipment.

ZIP Hardness Distribution

Soft6% (42)

Slightly Hard43% (299)

Moderately Hard18% (126)

Hard8% (56)

Very Hard25% (178)

Treatment Takeaway

West Virginia has a mixed hardness profile. Some areas may benefit from softening, while others may only need point-of-use filtration or no hardness treatment at all.

How to Use This Data

The source coverage is relatively strong in West Virginia, so these pages are useful for comparing local patterns before confirming your home's exact hardness.

Source-Backed Water Systems in West Virginia

Large systems with treated-water reports or USGS monitoring behind the state rollup.

Review source labels

Water system	Hardness	Source label	Population
Wvawc-Kanawha Valley Dist WV3302016 - Kanawha County	60 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	209,283
Wvawc - Huntington Dist WV3300608 - Cabell County	80 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	98,647
St Albans Water WV3302031 - Kanawha County	60 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	13,758
Kenova Municipal Water WV3305009 - Wayne County	80 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	11,192
Clinton Water Assoc - Route 119 WV3303107 - Monongalia County	60 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	5,733
Clinton Water Assoc - Kingwood Pike WV3303128 - Monongalia County	60 PPM Slightly Hard	Annual Water Quality Report Verified - Annual Water Quality Report	3,100
Morgantown Utility Board WV3303111 - Monongalia County	508 PPM Very Hard	USGS monitoring High Confidence - USGS Monitoring	64,644
Berkeley County Pswd-Potomac River WV3300218 - Berkeley County	195 PPM Hard	USGS monitoring High Confidence - USGS Monitoring	34,786

Useful West Virginia City Pages

Shortcuts to city pages backed by more ZIP-code or water-system data.

Cities With More Local Data

Charleston

5 ZIPs · 4 systems

Slightly Hard (60 PPM)

Huntington

5 ZIPs · 2 systems

Slightly Hard (80 PPM)

Slightly Hard (60 PPM)

Slightly Hard (64 PPM)

Prioritize cities with multiple ZIPs and systems, then use the local source badges to compare high-confidence USGS readings against estimated areas.

Top 10 Hardest Water Cities

#	City	Hardness
1	Monongah	Very Hard (480 PPM)
2	Rivesville	Very Hard (459 PPM)
3	Nutter Fort Ston	Very Hard (457 PPM)
4	Mannington	Very Hard (430 PPM)
5	Naugatuck	Very Hard (411 PPM)
6	West Milford	Very Hard (405 PPM)
7	Shinnston	Very Hard (400 PPM)
8	Charles Town	Very Hard (253 PPM)
9	Broaddus	Hard (184 PPM)
10	Parkersburg	Hard (184 PPM)

Top 10 Softest Water Cities

#	City	Hardness
1	Charleston	Slightly Hard (60 PPM)
2	Point Pleasant	Slightly Hard (61 PPM)
3	Welch	Slightly Hard (64 PPM)
4	Huntington	Slightly Hard (80 PPM)
5	Tennerton	Slightly Hard (92 PPM)
6	Big Chimney	Slightly Hard (119 PPM)
7	West Logan	Moderately Hard (140 PPM)
8	Mcalpin	Moderately Hard (152 PPM)
9	Gerrardstown	Moderately Hard (173 PPM)
10	Martinsburg	Moderately Hard (174 PPM)

All Cities in West Virginia

City pages marked Estimated use fallback values and should be confirmed with local testing or utility data.

AbrahamModerately Hard AccovilleModerately Hard AdrianSlightly Hard AdventSlightly Hard AlbrightSlightly Hard AlexanderSoft AlgomaSlightly Hard AlkolSlightly Hard AlloyVery Hard Alum BridgeHard Alum CreekSoft AmboyVery Hard AmmaSlightly Hard AnawaltSlightly Hard AnmooreVery Hard AnstedVery Hard AnthonyHard Apple GroveSlightly Hard ArbovaleVery Hard ArbuckleSlightly Hard ArnettModerately Hard ArnoldsburgSlightly Hard ArthurdaleSlightly Hard ArtieModerately Hard AsburyHard AscoModerately Hard AshfordSlightly Hard AshtonSoft AthensVery Hard AuburnSlightly Hard AugustaSlightly Hard AvondaleSlightly Hard BaisdenSlightly Hard BakerVery Hard BaldwinSlightly Hard BallardSlightly Hard BancroftSoft BandytownSlightly Hard BarboursvilleSlightly Hard BarnabusModerately Hard BarrackvilleVery Hard BartleySlightly Hard BartowVery Hard BeaverModerately Hard BeckleyModerately Hard Beech BottomSlightly Hard BeesonVery Hard BelingtonSlightly Hard BellevilleHard BelvaSoft BenwoodSlightly Hard BereaSlightly Hard BergooSlightly Hard BerwindSlightly Hard BethanySlightly Hard BeverlySoft Big BendModerately Hard Big ChimneySlightly Hard Big CreekModerately Hard Big OtterSlightly Hard Big SandySlightly Hard BimSlightly Hard Birch RiverVery Hard BlacksvilleVery Hard BlairModerately Hard BloomeryHard BloomingroseSlightly Hard BlountSlightly Hard BluewellVery Hard Bob WhiteSlightly Hard BolairSlightly Hard BoltModerately Hard BomontSlightly Hard BoomerVery Hard BradleyModerately Hard BradshawSlightly Hard BramwellVery Hard BranchlandSoft BrandywineModerately Hard BreedenSlightly Hard BrentonSlightly Hard BridgeportVery Hard BroaddusHard BrohardSlightly Hard Bruceton MillsSlightly Hard BrunoModerately Hard BuckeyeSlightly Hard BudSlightly Hard BuffaloSoft Bunker HillModerately Hard BurlingtonHard Cabin CreekSlightly Hard CabinsVery Hard CairoSoft CaldwellHard CalvinSlightly Hard CamdenHard CameronSlightly Hard Camp CreekVery Hard CanneltonVery Hard CanvasSlightly Hard Capon BridgeSlightly Hard Capon SpringsVery Hard CarolinaVery Hard CascadeModerately Hard Cedar GroveSlightly Hard Center PointSlightly Hard CeredoSlightly Hard ChapmanvilleHard Charles TownVery Hard CharlestonSlightly Hard Charlton HeightsVery Hard CharmcoHard ChattaroySlightly Hard ChaunceyModerately Hard Cherry RunModerately Hard ChesterSlightly Hard CirclevilleVery Hard ClaySoft Clear CreekModerately Hard Clear ForkSlightly Hard ClemVery Hard ClevelandSlightly Hard ClifftopVery Hard ClothierModerately Hard Coal MountainSlightly Hard CoaldaleVery Hard CoaltonSoft CoburnModerately Hard ColcordModerately Hard ColliersSlightly Hard ComfortSlightly Hard Cool RidgeModerately Hard CopenSlightly Hard CorinneSlightly Hard CorleySlightly Hard CostaSlightly Hard CottagevilleSoft Cove GapSlightly Hard CovelSlightly Hard CowenVery Hard Coxs MillsSlightly Hard Crab OrchardModerately Hard CraigsvilleVery Hard CrawfordHard CrawleyHard CrestonSlightly Hard Cross LanesSlightly Hard CrumModerately Hard CullodenSlightly Hard CunardVery Hard CycloneSlightly Hard DaileyVery Hard DallasVery Hard DanielsModerately Hard DanvilleSlightly Hard DavinModerately Hard DavisModerately Hard DavisvilleHard DawesSlightly Hard DawsonHard Deep WaterVery Hard DehueModerately Hard DelrayVery Hard DiamondSlightly Hard DianaSlightly Hard DilleSlightly Hard DingessSlightly Hard DixieSlightly Hard DorcasModerately Hard DorothyModerately Hard DottVery Hard DrennenSlightly Hard DroopModerately Hard DryforkVery Hard DuckSlightly Hard DuhringVery Hard DunbarSlightly Hard DuncanSlightly Hard DunlowSlightly Hard DunmoreVery Hard DurbinSlightly Hard EarlingModerately Hard East BankSlightly Hard East GulfModerately Hard East LynnSlightly Hard EcclesModerately Hard EdgartonSlightly Hard EdmondVery Hard EglonVery Hard EleanorSoft ElgoodVery Hard ElizabethModerately Hard Elk GardenVery Hard ElkhornSlightly Hard ElkinsSoft EllamoreVery Hard Elm GroveSlightly Hard EnterpriseVery Hard ErbaconSlightly Hard EskdaleSlightly Hard EthelModerately Hard EvansSlightly Hard FairdaleModerately Hard FairviewVery Hard Falling WatersModerately Hard FarmingtonVery Hard FenwickVery Hard FerrellsburgSlightly Hard FilbertSlightly Hard FisherVery Hard Flat TopVery Hard FloeSlightly Hard FlowerSlightly Hard FolaSlightly Hard FollansbeeModerately Hard FolsomModerately Hard Fort AshbyModerately Hard Fort GaySlightly Hard FosterSlightly Hard Four StatesVery Hard FrameSlightly Hard FranklinModerately Hard Fraziers BottomSoft FriendlySlightly Hard Gallipolis FerryModerately Hard GallowayVery Hard GandeevilleSlightly Hard Gap MillsHard GarrisonSlightly Hard GarySlightly Hard GassawayVery Hard Gauley BridgeVery Hard Gauley MillsSlightly Hard GaySlightly Hard GemSlightly Hard GerrardstownModerately Hard GhentModerately Hard GilbertModerately Hard GilboaSlightly Hard GivenSlightly Hard GladyVery Hard GlasgowSlightly Hard GlenSlightly Hard Glen DaleSlightly Hard Glen DanielModerately Hard Glen EastonVery Hard Glen FerrisVery Hard Glen ForkSlightly Hard Glen JeanVery Hard Glen RogersSlightly Hard Glen WhiteModerately Hard GlengaryModerately Hard GlenwoodSlightly Hard GormaniaVery Hard GraftonHard Grant TownVery Hard GrantsvilleModerately Hard GranvilleVery Hard Grassy MeadowsHard Great CacaponHard Green BankVery Hard Green SpringSlightly Hard Green Sulphur SpVery Hard GreenvilleModerately Hard GriffithsvilleSoft GypsyVery Hard HambletonModerately Hard HamlinSlightly Hard HancockSlightly Hard HandleySlightly Hard HanoverSlightly Hard HansfordSlightly Hard HarmanSoft Harpers FerryModerately Hard HartfordHard HarveyVery Hard HastingsModerately Hard HaywoodVery Hard HeatersSlightly Hard HelenModerately Hard HelvetiaSlightly Hard HendersonSlightly Hard HendricksModerately Hard HenlawsonModerately Hard HensleySlightly Hard HepzibahVery Hard HerndonSlightly Hard HernshawSlightly Hard HeroldVery Hard HewettSlightly Hard HicoVery Hard High ViewHard HighlandSlightly Hard HilltopVery Hard HintonVery Hard HoldenModerately Hard HometownSoft HopemontSoft HornerHard HughestonSlightly Hard HundredModerately Hard HuntModerately Hard HuntingtonSlightly Hard HurricaneSoft HuttonsvilleSoft IaegerSlightly Hard IdamayVery Hard Ikes ForkSlightly Hard IndependenceVery Hard Indian MillsVery Hard IndoreSlightly Hard InwoodModerately Hard IsabanSlightly Hard JacksonburgModerately Hard Jane LewHard JenkinjonesSlightly Hard JesseSlightly Hard JobVery Hard JoloSlightly Hard JosephineModerately Hard JulianSlightly Hard JuniorSoft JusticeVery Hard Kanawha FallsVery Hard Kanawha HeadSlightly Hard KassonVery Hard KearneysvilleModerately Hard KegleyVery Hard KenovaSlightly Hard KerensVery Hard KermitVery Hard KesslerHard KimballSlightly Hard KimberlyVery Hard KincaidVery Hard KingwoodModerately Hard KistlerModerately Hard KopperstonSlightly Hard KyleSlightly Hard LahmansvilleVery Hard LakeModerately Hard LanhamSoft LansingVery Hard LashmeetVery Hard LavaletteModerately Hard LawtonVery Hard Left HandSlightly Hard LehewVery Hard LeivasySlightly Hard LenoreSlightly Hard LeronaVery Hard LesageSlightly Hard LeslieHard LesterModerately Hard LetartSlightly Hard LevelsVery Hard LewisburgHard LibertySoft LindsideSlightly Hard LinnSlightly Hard LittletonModerately Hard LizemoresSlightly Hard LobataModerately Hard LochgellyVery Hard LondonSlightly Hard LongacreVery Hard LookoutVery Hard LooneyvilleSlightly Hard LoradoModerately Hard Lost CityVery Hard Lost CreekVery Hard LumberportVery Hard LyncoSlightly Hard MabenSlightly Hard MabieVery Hard MabscottModerately Hard MacfarlanSlightly Hard MadisonSlightly Hard MahoneSlightly Hard MaidsvilleVery Hard MaldenSlightly Hard MalloryModerately Hard MammothSlightly Hard ManheimSoft ManningtonVery Hard MarfranceHard MarmetSlightly Hard MartinsburgModerately Hard MasonHard MathenySlightly Hard MathiasVery Hard MaxweltonHard MaybeurySlightly Hard MayselSlightly Hard MaysvilleModerately Hard Mc ConnellModerately Hard Mc GrawsSlightly Hard Mc MechenSlightly Hard McalpinModerately Hard Meadow BridgeVery Hard Meadow CreekVery Hard MeadowbrookVery Hard MetzVery Hard MiamiSlightly Hard MiddlebourneSlightly Hard MidkiffSlightly Hard MidwayModerately Hard MilamVery Hard Mill CreekSoft MillstoneSlightly Hard MillwoodSlightly Hard MiltonSlightly Hard MindenVery Hard MineralwellsHard MingoSoft Minnehaha SpringModerately Hard MinnoraSlightly Hard MohawkSlightly Hard MonongahVery Hard Montana MinesVery Hard MontcalmVery Hard MontervilleSlightly Hard MontgomeryVery Hard MontroseVery Hard MorrisvaleSlightly Hard MoundsvilleSlightly Hard Mount AltoSlightly Hard Mount CarbonVery Hard Mount ClareVery Hard Mount GayModerately Hard Mount HopeModerately Hard Mount LookoutSlightly Hard Mount StormHard Mount ZionSlightly Hard MullensSlightly Hard MundaySlightly Hard MyraSlightly Hard MyrtleVery Hard NaomaModerately Hard NapierSlightly Hard NaugatuckVery Hard NeboSlightly Hard NeolaHard NettieVery Hard New CreekHard New CumberlandSlightly Hard New EnglandHard New HavenHard New ManchesterVery Hard New MartinsvilleVery Hard New MiltonSlightly Hard New RichmondSlightly Hard NewburgModerately Hard NewellSlightly Hard NewhallSlightly Hard NimitzVery Hard NitroSlightly Hard NobeSlightly Hard NormantownSlightly Hard North MatewanSlightly Hard North ParkersburHard North SpringSlightly Hard NortonSoft Nutter Fort StonVery Hard OakvaleVery Hard OceanaSlightly Hard OddModerately Hard Old FieldsModerately Hard OnaSlightly Hard OnegoVery Hard OrgasSlightly Hard OrlandoHard OsageVery Hard OttawaSlightly Hard Paden CitySlightly Hard PageVery Hard PagetonSlightly Hard PalestineSlightly Hard PantherSlightly Hard ParkersburgHard ParsonsSoft Patterson CreekModerately Hard Paw PawModerately Hard PaxVery Hard PaynesvilleSlightly Hard Peach CreekModerately Hard Pecks MillModerately Hard Pence SpringsVery Hard PentressVery Hard PeterstownSlightly Hard PetroleumSlightly Hard PeytonaSlightly Hard PickawaySlightly Hard PickensSlightly Hard PiedmontHard PigeonSoft PinevilleSlightly Hard PipestemVery Hard Point PleasantSlightly Hard PointsVery Hard Pond GapSlightly Hard PoolSlightly Hard Porters FallsModerately Hard PowelltonVery Hard PrattSlightly Hard PrichardSlightly Hard PrinceVery Hard ProctorVery Hard ProsperityModerately Hard PullmanSlightly Hard PurgitsvilleVery Hard QuickSlightly Hard RachelVery Hard RacineSlightly Hard RadnorSlightly Hard RainelleHard RamageSlightly Hard RangerSlightly Hard RansonModerately Hard RavencliffSlightly Hard RavenswoodModerately Hard RaysalSlightly Hard ReaderModerately Hard Red CreekVery Hard Red HouseSoft Red JacketSlightly Hard ReedsvilleModerately Hard ReedyHard RenickHard RepleteSlightly Hard ReynoldsvilleVery Hard RichwoodVery Hard RidgeviewSlightly Hard RiffleSlightly Hard RigModerately Hard RioVery Hard RipleySlightly Hard RivertonVery Hard RivesvilleVery Hard RobinetteModerately Hard RobsonVery Hard Rock CaveSlightly Hard Rock CreekModerately Hard Rock ViewSlightly Hard RockportHard RoderfieldSlightly Hard RomanceSoft RomneySlightly Hard RonceverteHard RosedaleSlightly Hard RosemontVery Hard RunaSoft RusselvilleVery Hard SabineSlightly Hard Saint AlbansSlightly Hard Saint MarysSlightly Hard SalemVery Hard Salt RockSlightly Hard Sand ForkSlightly Hard SandstoneVery Hard SandyvilleSlightly Hard Sarah AnnModerately Hard ScarbroVery Hard ScherrHard Scott DepotSoft SecondcreekSlightly Hard SelbyvilleSlightly Hard Seneca RocksVery Hard SethSlightly Hard ShanksVery Hard SharplesModerately Hard Shenandoah JunctModerately Hard ShepherdstownHard ShinnstonVery Hard ShockSlightly Hard SimonSlightly Hard SimpsonVery Hard SissonvilleSlightly Hard SistersvilleVery Hard Slab ForkModerately Hard SlanesvilleVery Hard SlatyforkVery Hard SmithburgSlightly Hard SmithfieldModerately Hard SmithvilleSlightly Hard SmootHard SnowshoeVery Hard SodSlightly Hard South CharlestonSlightly Hard SouthsideSlightly Hard SpanishburgVery Hard SpelterVery Hard SpencerSoft Spring DaleVery Hard SpringfieldVery Hard SquireSlightly Hard Star CityVery Hard StephensonSlightly Hard Stony BottomModerately Hard StreeterVery Hard Sugar GroveVery Hard SumercoSlightly Hard SummersvilleSoft Summit PointModerately Hard SurveyorModerately Hard SwissSlightly Hard SwitchbackSlightly Hard SwitzerModerately Hard SylvesterSlightly Hard TalcottVery Hard TallmansvilleSoft TennertonSlightly Hard TeslaSlightly Hard ThomasHard ThorntonVery Hard ThorpeSlightly Hard ThurmondVery Hard TiogaSlightly Hard Toll GateSlightly Hard TornadoSoft TriadelphiaSlightly Hard TroutHard TroySlightly Hard TunneltonModerately Hard UlerSlightly Hard UneedaSlightly Hard UnionSoft Upper TractModerately Hard UppergladeSlightly Hard Valley BendVery Hard Valley GroveSlightly Hard VanSlightly Hard VarneyVery Hard VerdunvilleModerately Hard VernerSlightly Hard VictorVery Hard ViennaHard VolgaHard WaitevilleSlightly Hard WalkerHard WalkersvilleHard WallaceVery Hard WallbackSlightly Hard WaltonModerately Hard WanaVery Hard WarSlightly Hard WardensvilleSoft WarriormineSlightly Hard WaverlyModerately Hard WayneModerately Hard WaysideSlightly Hard WeirtonSlightly Hard WelchSlightly Hard WellsburgModerately Hard WendelVery Hard West ColumbiaSlightly Hard West HamlinSoft West LibertySlightly Hard West LoganModerately Hard West MilfordVery Hard West UnionModerately Hard WestonHard WharncliffeSlightly Hard WhartonSlightly Hard WhitbyModerately Hard White OakModerately Hard WhitmanModerately Hard WhittakerSlightly Hard WidenSlightly Hard WilburSlightly Hard WilcoeSlightly Hard WildcatHard Wiley FordModerately Hard WilkinsonModerately Hard WilliamsonVery Hard WilliamstownHard Willow IslandSlightly Hard WilsonVery Hard WilsondaleSlightly Hard Winding GulfModerately Hard Windsor HeightsModerately Hard WinfieldSoft WinifredeSlightly Hard WinonaVery Hard WorthingtonVery Hard WyattVery Hard WymerVery Hard WyomingSlightly Hard YawkeySlightly Hard