Tap water hardness in Western Australia

We have published hardness data for 218 cities in Western Australia. The median is 98 mg/L; the hardest water is in Grass Patch (358 mg/L), the softest in Cranbrook (11 mg/L).

27 % of these cities have hard or very hard water (over 120 mg/L).

Australian Drinking Water Guidelines: aesthetic target ≤ 200 mg/L CaCO₃.

Largest places, hardest first

Other places (68)

• Ardath 99 mg/L
• Ballidu 110 mg/L
• Beacon 100 mg/L
• Bindi Bindi 105 mg/L
• Bodallin 105 mg/L
• Bolgart 128 mg/L
• Borden 26 mg/L
• Broad Arrow 105 mg/L
• Brunswick Junction 83 mg/L
• Bullaring 57 mg/L
• Bullfinch 103 mg/L
• Buntine 120 mg/L
• Burracoppin 100 mg/L
• Burrup 265 mg/L
• Cadoux 105 mg/L
• Coomberdale 81 mg/L
• Coorow 125 mg/L
• Doodlakine 97 mg/L
• Dudinin 53 mg/L
• Eneabba 102 mg/L
• Frankland 13 mg/L
• Gascoyne Junction 65 mg/L
• Grass Patch 358 mg/L
• Harrismith 53 mg/L
• Hester 135 mg/L
• Horrocks 133 mg/L
• Jennacubbine 105 mg/L
• Kalannie 100 mg/L
• Kambalda 105 mg/L
• Karlgarin 48 mg/L
• Kukerin 54 mg/L
• Kununoppin 104 mg/L
• Lake King 53 mg/L
• Latham 93 mg/L
• Menzies 110 mg/L
• Miling 105 mg/L
• Mullalyup 125 mg/L
• Munglinup 348 mg/L
• Muntadgin 100 mg/L
• Muradup 53 mg/L
• Nabawa 122 mg/L
• New Norcia 177 mg/L
• Newdegate 53 mg/L
• Nungarin 100 mg/L
• Ongerup 17 mg/L
• Ora Banda 115 mg/L
• Piawaning 172 mg/L
• Pingaring 65 mg/L
• Pithara 105 mg/L
• Popanyinning 39 mg/L
• Rocky Gully 273 mg/L
• Salmon Gums 348 mg/L
• Sandstone 63 mg/L
• Seabird 97 mg/L
• Shackleton 110 mg/L
• Spencers Brook 100 mg/L
• Tammin 97 mg/L
• Tincurrin 54 mg/L
• Trayning 104 mg/L
• Varley 55 mg/L
• Warralakin 98 mg/L
• Watheroo 268 mg/L
• Wellstead 258 mg/L
• Woodanilling 41 mg/L
• Wubin 110 mg/L
• Yealering 48 mg/L
• Yerecoin 162 mg/L
• Yuna 120 mg/L

All cities in Australia →