How hard is the water in South Dakota?

The average water hardness across South Dakota is 441 PPM (25.8 GPG), classified as very hard. Hardness varies by city - the hardest water is in Academy (1873 PPM) and the softest is in Isabel (15 PPM).

What city in South Dakota has the hardest water?

Academy has the hardest water in South Dakota at 1873 PPM. A water softener is recommended for residents.

How many water systems are in South Dakota?

South Dakota has 463 active community water systems serving 354 cities.

Water Hardness in South Dakota

Average: 441 PPMVery Hard354 cities463 water systems

Top 10 Hardest Water Cities

#	City	Hardness
1	Academy	Very Hard (1873 PPM)
2	Dante	Very Hard (1873 PPM)
3	Fairfax	Very Hard (1873 PPM)
4	Fort Thompson	Very Hard (1873 PPM)
5	Gann Valley	Very Hard (1873 PPM)
6	Geddes	Very Hard (1873 PPM)
7	Herrick	Very Hard (1873 PPM)
8	Letcher	Very Hard (1873 PPM)
9	Loomis	Very Hard (1873 PPM)
10	Marty	Very Hard (1873 PPM)

Top 10 Softest Water Cities

#	City	Hardness
1	Isabel	Soft (15 PPM)
2	Timber Lake	Soft (17 PPM)
3	Morristown	Soft (28 PPM)
4	Bradley	Slightly Hard (68 PPM)
5	Claire City	Slightly Hard (68 PPM)
6	Lane	Slightly Hard (68 PPM)
7	Ortley	Slightly Hard (68 PPM)
8	Peever	Slightly Hard (68 PPM)
9	Raymond	Slightly Hard (68 PPM)
10	Mc Intosh	Slightly Hard (117 PPM)

All Cities in South Dakota

AberdeenModerately Hard AcademyVery Hard AgarVery Hard Agency VillageVery Hard AkaskaVery Hard AlbeeVery Hard AlcesterVery Hard AllenModerately Hard AlpenaVery Hard AltamontVery Hard AmherstVery Hard AndoverVery Hard ArlingtonVery Hard ArmourVery Hard ArtasVery Hard AstoriaVery Hard AtholVery Hard AuroraVery Hard AvonHard BadgerVery Hard BalticVery Hard BarnardModerately Hard BathModerately Hard Belle FourcheHard BelvidereVery Hard BemisVery Hard BeresfordVery Hard Big Stone CityVery Hard BisonVery Hard Black HawkVery Hard Black Hills StatHard BluntVery Hard BonesteelVery Hard BowdleVery Hard Box ElderModerately Hard BradleySlightly Hard BrandtVery Hard BrittonHard BrookingsVery Hard BruceVery Hard BryantVery Hard BuffaloHard Buffalo GapVery Hard BurbankVery Hard ButlerVery Hard CanistotaHard CanovaVery Hard CantonVery Hard CaputaModerately Hard CarpenterVery Hard CarthageVery Hard CastlewoodVery Hard CavourVery Hard CentervilleHard ChamberlainVery Hard ChancellorHard Cherry CreekVery Hard ChesterVery Hard Claire CitySlightly Hard ClaremontModerately Hard ClarkVery Hard ClearfieldModerately Hard ColmanVery Hard ColomeModerately Hard ColtonVery Hard ColumbiaModerately Hard CoronaVery Hard CorsicaVery Hard CorsonVery Hard CottonwoodModerately Hard Crazy HorseVery Hard CresbardVery Hard CrooksVery Hard Dakota DunesVery Hard DallasModerately Hard DanteVery Hard DavisHard De SmetVery Hard DeadwoodHard Dell RapidsVery Hard DelmontHard DempsterVery Hard DenbyModerately Hard DimockHard DixonModerately Hard DolandVery Hard DoltonHard DraperVery Hard DupreeModerately Hard Eagle ButteVery Hard EdenVery Hard EdgemontVery Hard EganVery Hard Elk PointVery Hard ElktonVery Hard Ellsworth AfbVery Hard EmeryVery Hard EnningVery Hard ErwinVery Hard EthanVery Hard FairburnVery Hard FairfaxVery Hard FairviewVery Hard FaithVery Hard FarmerHard FedoraVery Hard FlandreauVery Hard FlorenceVery Hard ForestburgVery Hard Fort PierreVery Hard Fort ThompsonVery Hard FrankfortVery Hard FrederickModerately Hard FreemanVery Hard FultonVery Hard Gann ValleyVery Hard Garden CityVery Hard GarretsonVery Hard GaryVery Hard GayvilleVery Hard GeddesVery Hard GettysburgVery Hard GlenhamVery Hard GrenvilleVery Hard GrotonModerately Hard HamillModerately Hard HarrisburgVery Hard HarrisonHard HarroldVery Hard HartfordVery Hard HayesVery Hard HaytiVery Hard HazelVery Hard HeclaModerately Hard HenryVery Hard HerefordVery Hard HermosaVery Hard HerreidVery Hard HerrickVery Hard HighmoreVery Hard Hill CityModerately Hard HitchcockVery Hard HolabirdVery Hard HosmerVery Hard Hot SpringsVery Hard HoughtonModerately Hard HovenVery Hard HudsonVery Hard HumboldtVery Hard HurleyHard HuronVery Hard IdealVery Hard InteriorModerately Hard IpswichVery Hard IreneVery Hard IroquoisVery Hard IsabelSoft JavaVery Hard JeffersonVery Hard KadokaSlightly Hard KeldronVery Hard KennebecVery Hard KeystoneModerately Hard KimballVery Hard KranzburgVery Hard KyleModerately Hard La PlantVery Hard LaboltVery Hard Lake AndesVery Hard Lake CityVery Hard Lake NordenVery Hard Lake PrestonVery Hard LaneSlightly Hard LangfordVery Hard LantryVery Hard LebanonVery Hard LennoxVery Hard LeolaVery Hard LestervilleVery Hard LetcherVery Hard LilyVery Hard LodgepoleVery Hard Long ValleyModerately Hard LonglakeVery Hard LoomisVery Hard Lower BruleVery Hard LucasVery Hard LudlowVery Hard LyonsVery Hard MadisonVery Hard MandersonModerately Hard MansfieldModerately Hard MarionVery Hard MartyVery Hard MarvinVery Hard Mc IntoshSlightly Hard Mc LaughlinModerately Hard MeadowVery Hard MelletteVery Hard MennoHard MilbankVery Hard MilesvilleVery Hard MillerVery Hard MirandaVery Hard MissionVery Hard Mission HillVery Hard MobridgeVery Hard MonroeHard MontroseHard MorristownSoft Mound CityVery Hard Mount VernonVery Hard Mud ButteVery Hard MurdoModerately Hard NemoHard New EffingtonVery Hard New HollandHard New UnderwoodModerately Hard NewellHard NislandHard NorrisVery Hard NorthvilleVery Hard NundaVery Hard OacomaVery Hard OelrichsVery Hard OglalaModerately Hard OkatonVery Hard OkreekVery Hard OldhamVery Hard OlivetHard OnakaVery Hard OnidaVery Hard OralVery Hard OrientVery Hard OrtleySlightly Hard OttumwaSlightly Hard OwankaModerately Hard ParkerVery Hard ParkstonVery Hard ParmeleeVery Hard PeeverSlightly Hard PhilipVery Hard PickstownHard PiedmontVery Hard PierpontVery Hard PierreVery Hard Pine RidgeModerately Hard PlainviewModerately Hard PlankintonVery Hard PollockVery Hard PorcupineModerately Hard Prairie CityModerately Hard PreshoVery Hard PringleModerately Hard PukwanaVery Hard RalphVery Hard RamonaVery Hard Rapid CityModerately Hard RaymondSlightly Hard RedfieldVery Hard Ree HeightsVery Hard RelianceVery Hard RennerVery Hard RevaModerately Hard RockhamVery Hard RoscoeVery Hard RosebudVery Hard RosholtVery Hard RoslynVery Hard RoswellVery Hard RutlandVery Hard Saint CharlesVery Hard Saint FrancisModerately Hard Saint LawrenceVery Hard Saint OngeHard SalemVery Hard ScenicModerately Hard ScotlandVery Hard SelbyVery Hard SenecaVery Hard SinaiVery Hard Sioux FallsVery Hard Sky RanchHard South ShoreVery Hard SpearfishHard Spearfish CanyonVery Hard SpencerHard SpringfieldVery Hard StephanVery Hard StickneyVery Hard StockholmVery Hard StonevilleVery Hard StrandburgVery Hard StratfordModerately Hard SummitVery Hard TaborHard TeaHard Timber LakeSoft TolstoyVery Hard TorontoVery Hard Trail CityVery Hard TrentVery Hard TrippVery Hard TulareVery Hard TurtonVery Hard TuthillModerately Hard Twin BrooksVery Hard TyndallHard UticaVery Hard ValeVery Hard Valley SpringsHard VeblenVery Hard VerdonVery Hard VermillionVery Hard VetalModerately Hard ViborgHard ViennaVery Hard VirgilVery Hard VivianVery Hard VolgaVery Hard VolinVery Hard WagnerVery Hard WakondaVery Hard WakpalaVery Hard WalkerVery Hard WallModerately Hard WallaceVery Hard WanbleeModerately Hard WarnerModerately Hard WastaModerately Hard WataugaVery Hard WatertownVery Hard WaubayVery Hard WentworthVery Hard WessingtonVery Hard Wessington SprinVery Hard WetonkaModerately Hard WhiteVery Hard White LakeVery Hard White OwlVery Hard White RiverSlightly Hard WhitehorseVery Hard WhitewoodHard Willow LakeVery Hard WilmotVery Hard WinfredVery Hard WittenVery Hard WolseyVery Hard WoodVery Hard WoonsocketVery Hard WorthingVery Hard Wounded KneeModerately Hard YaleVery Hard YanktonVery Hard