How hard is the water in Iowa?

The average water hardness across Iowa is 302 PPM (17.7 GPG), classified as very hard. Hardness varies by city - the hardest water is in Buffalo Center (896 PPM) and the softest is in Alexander (140 PPM).

What city in Iowa has the hardest water?

Buffalo Center has the hardest water in Iowa at 896 PPM. A water softener is recommended for residents.

How many water systems are in Iowa?

Iowa has 1,076 active community water systems serving 899 cities.

Water Hardness in Iowa

Average: 302 PPMVery Hard899 cities1,076 water systems

Top 10 Hardest Water Cities

#	City	Hardness
1	Buffalo Center	Very Hard (896 PPM)
2	Rolfe	Very Hard (896 PPM)
3	West Bend	Very Hard (896 PPM)
4	Whittemore	Very Hard (896 PPM)
5	Estherville	Very Hard (878 PPM)
6	Granville	Very Hard (805 PPM)
7	Paullina	Very Hard (805 PPM)
8	Primghar	Very Hard (805 PPM)
9	Fonda	Very Hard (754 PPM)
10	Lytton	Very Hard (754 PPM)

Top 10 Softest Water Cities

#	City	Hardness
1	Alexander	Moderately Hard (140 PPM)
2	Alleman	Moderately Hard (140 PPM)
3	Bagley	Moderately Hard (140 PPM)
4	Bayard	Moderately Hard (140 PPM)
5	Berwick	Moderately Hard (140 PPM)
6	Blairsburg	Moderately Hard (140 PPM)
7	Bradford	Moderately Hard (140 PPM)
8	Bradgate	Moderately Hard (140 PPM)
9	Clive	Moderately Hard (140 PPM)
10	Dana	Moderately Hard (140 PPM)

All Cities in Iowa

AckleyHard AckworthVery Hard AdairVery Hard AdelHard AftonVery Hard AgencyVery Hard AinsworthVery Hard AkronVery Hard Albert CityVery Hard AlbiaVery Hard AlbionVery Hard AlburnettHard AldenHard AlexanderModerately Hard AlgonaVery Hard AllemanModerately Hard AllertonVery Hard AllisonHard AltaVery Hard Alta VistaVery Hard AltonVery Hard AltoonaModerately Hard AlvordVery Hard AmanaVery Hard AmesHard AnamosaVery Hard AndoverVery Hard AndrewHard AnitaHard AnkenyModerately Hard AnthonHard AplingtonHard ArcadiaVery Hard ArcherHard AredaleHard ArgyleVery Hard ArionHard ArlingtonVery Hard ArmstrongVery Hard Arnolds ParkVery Hard ArthurHard AshtonVery Hard AtalissaVery Hard AtkinsVery Hard AtlanticVery Hard AudubonVery Hard AureliaVery Hard AuroraHard AvocaHard AyrshireVery Hard BadgerVery Hard BagleyModerately Hard BaldwinHard BancroftVery Hard Barnes CityVery Hard BarnumVery Hard BataviaVery Hard Battle CreekVery Hard BaxterVery Hard BayardModerately Hard BeaconVery Hard BeamanHard BedfordVery Hard Belle PlaineVery Hard BellevueVery Hard BelmondVery Hard BennettHard BentonVery Hard BernardHard BerwickModerately Hard BettendorfHard BevingtonVery Hard Big RockHard BirminghamVery Hard BlairsburgModerately Hard BlairstownVery Hard BlakesburgVery Hard BlanchardHard BlencoeVery Hard BlocktonVery Hard BloomfieldVery Hard Blue GrassHard BodeVery Hard BonaparteVery Hard BondurantModerately Hard BooneVery Hard BoonevilleHard BoutonHard BoxholmVery Hard BoydenVery Hard BraddyvilleHard BradfordModerately Hard BradgateModerately Hard BrandonVery Hard BraytonVery Hard BredaVery Hard BremerHard BridgewaterVery Hard BrightonVery Hard BristowHard BrittVery Hard BronsonHard BrooklynVery Hard BrunsvilleVery Hard BryantVery Hard BuckinghamVery Hard BuffaloHard Buffalo CenterVery Hard BurlingtonVery Hard BurnsideVery Hard BurtVery Hard BusseyVery Hard CalamusVery Hard CallenderVery Hard CalmarVery Hard CamancheVery Hard CambridgeHard CantrilVery Hard CarlisleVery Hard CarpenterHard CarrollVery Hard CarsonHard Carter LakeHard CascadeHard CaseyVery Hard CastaliaHard CastanaVery Hard CedarVery Hard Cedar FallsHard Cedar RapidsHard Center JunctionHard Center PointHard CentervilleVery Hard Central CityHard CharitonVery Hard Charles CityVery Hard CharlotteVery Hard Charter OakVery Hard ChatsworthHard ChelseaVery Hard CherokeeVery Hard ChesterHard ChillicotheVery Hard ChurdanVery Hard CincinnatiVery Hard ClareVery Hard ClarenceVery Hard ClarindaHard ClarionVery Hard ClarksvilleHard Clear LakeVery Hard ClearfieldVery Hard CleghornHard ClemonsVery Hard ClermontVery Hard ClintonVery Hard ClioVery Hard CliveModerately Hard ClutierVery Hard CoggonHard CoinHard ColesburgVery Hard ColfaxVery Hard College SpringsHard CollinsHard ColoHard ColumbiaVery Hard Columbus CityHard Columbus JunctioVery Hard ConesvilleVery Hard ConradHard ConroyHard Coon RapidsVery Hard CoralvilleHard CorningVery Hard CorrectionvilleHard CorwithVery Hard CoulterVery Hard Council BluffsHard CrawfordsvilleVery Hard CrescentHard CrescoVery Hard Crystal LakeHard CumberlandHard CummingVery Hard CurlewVery Hard CushingHard CylinderHard Dakota CityVery Hard DallasVery Hard Dallas CenterHard DanaModerately Hard DanburyHard DanvilleVery Hard DavenportHard DawsonHard DaytonVery Hard De SotoHard De WittVery Hard DecaturVery Hard DecorahVery Hard DedhamVery Hard Deep RiverHard DelawareHard DelhiHard DelmarVery Hard DeloitVery Hard DeltaVery Hard DenisonVery Hard DenmarkVery Hard DenverHard DerbyVery Hard Des MoinesModerately Hard DewarHard DexterHard DiagonalVery Hard DickensVery Hard DikeHard DolliverVery Hard DonahueHard DonnellsonVery Hard DoonVery Hard DorchesterHard DoudsVery Hard DoughertyVery Hard Dow CityVery Hard DowsVery Hard DrakesvilleVery Hard DubuqueHard DumontHard DuncombeVery Hard DundeeHard DunkertonHard DurangoHard DurantVery Hard DyersvilleHard DysartVery Hard Eagle GroveVery Hard EarlhamVery Hard EarlingVery Hard EarlvilleVery Hard EarlyVery Hard EddyvilleVery Hard EdgewoodHard ElberonVery Hard EldonVery Hard EldoraHard EldoradoVery Hard EldridgeHard ElginVery Hard Elk HornVery Hard ElkaderHard ElkhartModerately Hard ElkportHard ElliottHard EllstonVery Hard EllsworthVery Hard ElmaVery Hard ElyHard EmersonVery Hard EmmetsburgVery Hard EpworthHard EssexVery Hard EsthervilleVery Hard EvansdaleHard EverlyVery Hard ExiraVery Hard ExlineVery Hard FairbankVery Hard FairfaxHard FairfieldVery Hard FarleyHard FarmersburgHard FarmingtonVery Hard FarnhamvilleModerately Hard FarragutVery Hard FayetteVery Hard FentonVery Hard FergusonVery Hard FertileVery Hard FlorisVery Hard FloydVery Hard FondaVery Hard FontanelleVery Hard Forest CityVery Hard Fort AtkinsonVery Hard Fort DodgeVery Hard Fort MadisonVery Hard FredericksburgHard FrederikaHard FremontVery Hard FruitlandVery Hard GaltModerately Hard GalvaVery Hard GarberHard Garden CityHard Garden GroveVery Hard GarnavilloVery Hard GarnerVery Hard GarrisonHard GarwinVery Hard GenevaVery Hard GeorgeVery Hard GibsonVery Hard GilbertHard GilbertvilleHard Gillett GroveVery Hard GilmanVery Hard Gilmore CityVery Hard GladbrookVery Hard GlenwoodVery Hard GliddenVery Hard GoldfieldVery Hard GoodellVery Hard Goose LakeVery Hard GowrieVery Hard GraettingerVery Hard GraftonVery Hard Grand JunctionVery Hard Grand MoundVery Hard Grand RiverVery Hard GrandviewHard GrangerHard GrantModerately Hard GranvilleVery Hard GravityVery Hard GrayModerately Hard GreeleyHard GreeneHard GreenfieldVery Hard GreenvilleVery Hard GrimesModerately Hard GrinnellVery Hard GriswoldHard Grundy CenterHard Guthrie CenterVery Hard GuttenbergVery Hard HalburVery Hard HamburgVery Hard HamiltonVery Hard HamlinModerately Hard HamptonVery Hard HancockHard HanlontownVery Hard HarcourtVery Hard HardyModerately Hard HarlanVery Hard HarperVery Hard Harpers FerryHard HarrisHard HartfordVery Hard HartleyVery Hard HartwickModerately Hard HarveyVery Hard HastingsHard HavelockHard HaverhillVery Hard HawardenVery Hard HawkeyeVery Hard HayesvilleVery Hard HazletonHard HedrickVery Hard HendersonVery Hard HiawathaHard Highland CenterVery Hard HillsHard HillsboroVery Hard HintonVery Hard HollandHard HolsteinVery Hard Holy CrossHard HomesteadHard Honey CreekHard HopkintonHard HornickHard HospersVery Hard HoughtonVery Hard HubbardHard HudsonHard HullVery Hard HumboldtVery Hard HumestonVery Hard HuxleyHard Ida GroveVery Hard ImogeneHard IndependenceHard InwoodVery Hard IoniaHard Iowa CityHard Iowa FallsHard IretonVery Hard IrwinVery Hard JamaicaModerately Hard JanesvilleHard JeffersonVery Hard JesupHard JewellVery Hard JohnstonModerately Hard JoiceHard JolleyModerately Hard KalonaVery Hard KamrarModerately Hard KanawhaVery Hard KellertonVery Hard KelleyHard KelloggVery Hard KensettVery Hard KeokukVery Hard KeosauquaVery Hard KeotaVery Hard KesleyHard KeswickVery Hard KeystoneVery Hard KillduffVery Hard KimballtonVery Hard KingsleyVery Hard KirkmanHard KirkvilleVery Hard KironVery Hard KlemmeVery Hard KnierimModerately Hard KnoxvilleVery Hard La MotteHard La Porte CityHard LaconaVery Hard LadoraModerately Hard Lake CityVery Hard Lake MillsVery Hard Lake ParkVery Hard Lake ViewVery Hard LakotaHard LamoniVery Hard LamontVery Hard LanesboroVery Hard LansingModerately Hard LarchwoodVery Hard LarrabeeHard LatimerModerately Hard LaurelVery Hard LaurensVery Hard LawlerHard LawtonHard Le ClaireHard Le GrandVery Hard Le MarsVery Hard LedyardVery Hard LehighVery Hard LeightonVery Hard LelandVery Hard LenoxVery Hard LeonVery Hard LesterVery Hard LettsHard LewisVery Hard Liberty CenterVery Hard LibertyvilleVery Hard LidderdaleVery Hard Lime SpringsHard LincolnVery Hard LindenHard LinevilleVery Hard Linn GroveVery Hard LisbonHard LiscombVery Hard Little CedarHard Little RockVery Hard Little SiouxVery Hard LivermoreVery Hard LockridgeVery Hard LoganVery Hard LohrvilleModerately Hard Lone RockHard Lone TreeHard Long GroveHard LorimorVery Hard Lost NationVery Hard LoviliaVery Hard Low MoorVery Hard LowdenVery Hard Lu VerneVery Hard LuanaHard LucasVery Hard LutherVery Hard LuxemburgHard LuzerneHard LynnvilleVery Hard LyttonVery Hard MacedoniaHard MacksburgVery Hard MadridVery Hard MagnoliaHard MalcomVery Hard MallardVery Hard MalvernVery Hard ManawaHard ManchesterVery Hard ManillaVery Hard ManlyVery Hard ManningVery Hard MansonVery Hard MapletonVery Hard MaquoketaHard MarathonVery Hard Marble RockVery Hard MarcusVery Hard MarengoVery Hard MarionHard MarneModerately Hard MarquetteVery Hard MarshalltownVery Hard MartelleHard MartensdaleVery Hard MartinsburgVery Hard Mason CityVery Hard MasonvilleHard MassenaHard MatlockVery Hard MauriceVery Hard MaxwellHard MaynardVery Hard Mc CallsburgHard Mc CauslandHard Mc ClellandHard Mc GregorVery Hard Mc IntireHard MechanicsvilleVery Hard MediapolisVery Hard MelbourneVery Hard MelroseVery Hard MelvinHard MenloModerately Hard MeridenHard MerrillVery Hard MeserveyVery Hard Middle AmanaVery Hard MiddletownVery Hard MilesVery Hard MilfordVery Hard MillersburgVery Hard MillertonVery Hard MiloVery Hard MiltonVery Hard MinburnHard MindenHard MineolaHard MingoVery Hard Missouri ValleyVery Hard MitchellvilleModerately Hard ModaleHard MondaminHard MonmouthVery Hard MononaVery Hard MonroeVery Hard MontezumaVery Hard MonticelloHard MontourVery Hard MontroseVery Hard MoorheadVery Hard MoorlandVery Hard MoraviaVery Hard MorleyHard Morning SunHard MoscowVery Hard MoultonVery Hard Mount AuburnHard Mount AyrVery Hard Mount PleasantVery Hard Mount SterlingVery Hard Mount UnionHard Mount VernonHard MovilleHard MurrayVery Hard MysticVery Hard NashuaHard NemahaHard NeolaHard NevadaHard NevinvilleVery Hard New AlbinModerately Hard New HamptonHard New HartfordHard New LibertyHard New LondonVery Hard New MarketVery Hard New ProvidenceHard New SharonVery Hard New ViennaHard New VirginiaVery Hard NewellVery Hard NewhallVery Hard NewtonVery Hard NicholsVery Hard NodawayVery Hard Nora SpringsVery Hard North Buena VistHard North EnglishVery Hard North LibertyHard NorthboroHard NorthwoodVery Hard NorwalkVery Hard NorwayVery Hard OaklandHard OakvilleHard OcheyedanVery Hard OdeboltVery Hard OelweinVery Hard OgdenVery Hard OkobojiVery Hard OldsVery Hard OlinVery Hard OllieVery Hard OnawaVery Hard OnslowVery Hard Orange CityVery Hard OrchardHard OrientVery Hard OsageVery Hard OsceolaVery Hard OskaloosaVery Hard OssianVery Hard OthoVery Hard OtleyVery Hard OtoHard OttosenModerately Hard OxfordHard Oxford JunctionVery Hard OyensVery Hard Pacific JunctionVery Hard PackwoodVery Hard PalmerVery Hard PaloHard PanamaVery Hard PanoraVery Hard ParkersburgHard ParnellHard PatonModerately Hard PattersonVery Hard PaullinaVery Hard PellaVery Hard PeostaHard PercivalHard PerryHard PersiaHard PeruVery Hard PetersonVery Hard PiersonHard Pilot MoundVery Hard PisgahVery Hard PlainfieldHard PlanoVery Hard Pleasant HillModerately Hard Pleasant ValleyHard PleasantonVery Hard PleasantvilleVery Hard PloverHard PlymouthVery Hard PocahontasVery Hard Polk CityModerately Hard PomeroyVery Hard PopejoyModerately Hard PortsmouthHard PostvilleHard Prairie CityVery Hard PrairieburgHard PrescottVery Hard PrestonVery Hard PrimgharVery Hard PrincetonHard ProleVery Hard Promise CityVery Hard ProtivinVery Hard PulaskiVery Hard QuasquetonHard QuimbyVery Hard RadcliffeHard RakeHard RalstonVery Hard RandaliaHard RandallVery Hard RandolphHard RaymondHard ReadlynHard ReasnorVery Hard Red OakHard ReddingVery Hard RedfieldHard ReinbeckHard RembrandtVery Hard RemsenVery Hard RenwickVery Hard RhodesVery Hard RicevilleVery Hard RichlandVery Hard RidgewayVery Hard RingstedVery Hard RippeyModerately Hard RiversideVery Hard RivertonVery Hard RobinsHard Rock RapidsVery Hard Rock ValleyVery Hard RockfordVery Hard RockwellVery Hard Rockwell CityVery Hard RodneyHard RolandHard RolfeVery Hard Rose HillVery Hard RowanModerately Hard RowleyHard RoyalVery Hard RuddVery Hard RunnellsModerately Hard RussellVery Hard RuthvenVery Hard RutlandModerately Hard RyanHard SabulaVery Hard Sac CityVery Hard Saint AnsgarVery Hard Saint AnthonyVery Hard Saint CharlesVery Hard Saint DonatusHard Saint LucasHard Saint MarysVery Hard Saint OlafHard SalemVery Hard SalixHard SanbornVery Hard ScarvilleHard SchallerVery Hard SchleswigVery Hard ScrantonVery Hard SearsboroModerately Hard SelmaVery Hard Sergeant BluffHard SewalVery Hard SeymourVery Hard Shannon CityVery Hard SharpsburgVery Hard SheffieldVery Hard ShelbyVery Hard SheldahlModerately Hard SheldonVery Hard Shell RockHard ShellsburgVery Hard ShenandoahVery Hard SherrillHard SibleyVery Hard SidneyHard SigourneyVery Hard Silver CityHard Sioux CenterVery Hard Sioux CityHard Sioux RapidsVery Hard SlaterHard SloanHard SmithlandHard SoldierVery Hard SolonHard SomersVery Hard South AmanaVery Hard South EnglishVery Hard SpencerVery Hard SperryVery Hard SpillvilleVery Hard Spirit LakeVery Hard SpraguevilleHard Spring HillVery Hard SpringbrookVery Hard SpringvilleHard StacyvilleVery Hard StanhopeVery Hard StanleyHard StantonModerately Hard StanwoodVery Hard State CenterVery Hard Steamboat RockHard StockportVery Hard StocktonVery Hard Storm LakeVery Hard Story CityHard StoutHard StratfordVery Hard Strawberry PointHard StuartVery Hard SullyVery Hard SumnerHard SuperiorVery Hard SutherlandVery Hard SwaledaleVery Hard SwanVery Hard Swea CityVery Hard SwedesburgHard SwisherHard TaborVery Hard TamaVery Hard TempletonVery Hard TerrilVery Hard ThayerVery Hard ThompsonVery Hard ThorModerately Hard ThorntonVery Hard ThurmanHard TiffinHard TingleyVery Hard TiptonVery Hard TitonkaVery Hard ToddvilleHard ToledoVery Hard TracyVery Hard TraerVery Hard TreynorHard TripoliHard TruesdaleVery Hard TruroVery Hard UdellVery Hard UnderwoodHard UnionHard UnionvilleVery Hard University ParkVery Hard UrbanaVery Hard UrbandaleModerately Hard UteVery Hard VailVery Hard Van HorneVery Hard Van MeterHard Van WertVery Hard VarinaVery Hard VenturaVery Hard VictorVery Hard VilliscaHard VincentVery Hard ViningVery Hard VintonVery Hard VolgaHard WadenaVery Hard WalcottHard WalfordVery Hard WalkerHard Wall LakeVery Hard WallingfordVery Hard WalnutHard WapelloHard WashingtonVery Hard WashtaVery Hard WaterlooHard WatervilleHard WatkinsHard WaucomaHard WaukeeHard WaukonVery Hard WaylandVery Hard WebbVery Hard WebsterVery Hard Webster CityVery Hard WeldonVery Hard WellmanVery Hard WellsburgHard WeltonVery Hard WesleyVery Hard West BendVery Hard West BranchVery Hard West BurlingtonVery Hard West ChesterVery Hard West Des MoinesModerately Hard West LibertyVery Hard West PointVery Hard WestfieldVery Hard WestgateVery Hard WestphaliaHard WestsideVery Hard WeverVery Hard What CheerVery Hard WheatlandVery Hard WhitingVery Hard WhittemoreVery Hard WhittenHard WilliamsVery Hard WilliamsburgVery Hard WilliamsonVery Hard WiltonVery Hard Windsor HeightsModerately Hard WinfieldVery Hard WintersetVery Hard WinthropVery Hard WiotaHard WodenVery Hard WoodbineVery Hard WoodburnVery Hard WoodwardHard WoolstockVery Hard WorthingtonHard WyomingVery Hard YaleVery Hard YarmouthVery Hard YetterVery Hard ZearingHard ZwingleHard