Water Hardness in New Hampshire
Average: 39 PPMSoft217 cities710 water systems
Top 10 Hardest Water Cities
| # | City | Hardness |
|---|---|---|
| 1 | Grantham | Moderately Hard (129 PPM) |
| 2 | Meriden | Moderately Hard (129 PPM) |
| 3 | Plainfield | Moderately Hard (129 PPM) |
| 4 | Newington | Slightly Hard (110 PPM) |
| 5 | Newmarket | Slightly Hard (109 PPM) |
| 6 | Brentwood | Slightly Hard (109 PPM) |
| 7 | Rye | Slightly Hard (108 PPM) |
| 8 | Epping | Slightly Hard (108 PPM) |
| 9 | Atkinson | Slightly Hard (107 PPM) |
| 10 | Stratham | Slightly Hard (107 PPM) |
All Cities in New Hampshire
AcworthSoftAllenstownSoftAlsteadSoftAltonSoftAlton BaySoftAmherstSoftAndoverSoftAntrimSoftAshlandSoftAshuelotSoftAtkinsonSlightly HardAuburnSlightly HardBarnsteadSoftBarringtonSlightly HardBartlettSoftBedfordSoftBeebe RiverSoftBelmontSoftBenningtonSoftBerlinSoftBethlehemSoftBoscawenSoftBowSoftBradfordSoftBrentwoodSlightly HardBristolSoftBrooklineSoftCanaanSoftCandiaSlightly HardCanterburySoftCenter BarnsteadSoftCenter ConwaySoftCenter HarborSoftCenter OssipeeSoftCenter SandwichSoftCenter TuftonborSoftCharlestownSoftChesterSlightly HardChesterfieldSoftChocoruaSoftClaremontSoftColebrookSoftConcordSoftConwaySoftCornishSoftDanburySoftDanvilleSlightly HardDeerfieldSlightly HardDerrySlightly HardDublinSoftDunbartonSoftEast HampsteadSlightly HardEast LempsterSoftEast RochesterSlightly HardEast SullivanSoftEast SwanzeySoftEast WakefieldSoftEaton CenterSoftElkinsSoftEnfieldSoftEppingSlightly HardEpsomSoftErrolSoftEtnaSoftFarmingtonSlightly HardFitzwilliamSoftFrancestownSoftFranconiaSoftFranklinSoftFreedomSoftFremontSlightly HardGeorges MillsSoftGilfordSoftGilmantonSoftGilmanton Iron WSoftGilsumSoftGlenSoftGonicSlightly HardGorhamSoftGoshenSoftGraftonSoftGranthamModerately HardGreenfieldSoftGreenlandSlightly HardGrovetonSoftHampsteadSlightly HardHamptonSlightly HardHampton FallsSlightly HardHancockSoftHanoverSoftHarrisvilleSoftHaverhillSoftHebronSoftHennikerSoftHillSoftHillsboroSoftHinsdaleSoftHollisSoftHooksettSoftHopkintonSoftHudsonSoftIntervaleSoftJacksonSoftJaffreySoftJeffersonSoftKingstonSlightly HardLancasterSoftLebanonSoftLeeSlightly HardLincolnSoftLisbonSoftLittletonSoftLondonderrySlightly HardLymeSoftLyndeboroughSoftMadburySlightly HardMadisonSoftManchesterSoftMarlboroughSoftMarlowSoftMasonSoftMeredithSoftMeridenModerately HardMerrimackSoftMilanSoftMilfordSoftMilton MillsSlightly HardMirror LakeSoftMonroeSoftMont VernonSoftMoultonboroughSoftMunsonvilleSoftNashuaSoftNew BostonSoftNew CastleSlightly HardNew DurhamSlightly HardNew HamptonSoftNew IpswichSoftNew LondonSoftNewburySoftNewfieldsSlightly HardNewingtonSlightly HardNewmarketSlightly HardNewportSoftNewtonSlightly HardNorth ConwaySoftNorth HamptonSlightly HardNorth HaverhillSoftNorth SandwichSoftNorth StratfordSoftNorth SuttonSoftNorth WalpoleSoftNorth WoodstockSoftNorthwoodSlightly HardNottinghamSlightly HardOrfordSoftOssipeeSoftPelhamSoftPeterboroughSoftPiermontSoftPikeSoftPittsburgSoftPittsfieldSoftPlainfieldModerately HardPlaistowSlightly HardPlymouthSoftRaymondSlightly HardRichmondSoftRindgeSoftRochesterSlightly HardRollinsfordSlightly HardRumneySoftRyeSlightly HardSalemSlightly HardSalisburySoftSanborntonSoftSanbornvilleSoftSandownSlightly HardSeabrookSlightly HardSilver LakeSoftSomersworthSlightly HardSouth AcworthSoftSouth EffinghamSoftSouth HamptonSlightly HardSouth SuttonSoftSouth TamworthSoftSpoffordSoftStoddardSoftStraffordSlightly HardStrathamSlightly HardSunapeeSoftSurrySoftTamworthSoftTempleSoftTiltonSoftTroySoftTwin MountainSoftUnionSlightly HardWalpoleSoftWarnerSoftWarrenSoftWashingtonSoftWaterville ValleSoftWeareSoftWentworthSoftWest ChesterfielSoftWest LebanonSoftWest NottinghamSlightly HardWest SpringfieldSoftWestmorelandSoftWhitefieldSoftWilmot FlatSoftWiltonSoftWindhamSlightly HardWolfeboroSoftWonalancetSoftWoodsvilleSoft