TOP 10 HARDEST WATER SUPPLIES - SCOTLAND
The ten water supply zones in Scotland with the hardest water, ranked from Scottish Water data. The water hardness data in this chart has been verified by Aquatell directly from primary sources.
| Rank | City / Town / Village(water supply zone) | Council Area | mg/l | gpg | °Clark | °dH | °fH | Source |
|---|---|---|---|---|---|---|---|---|
| 1 | 1. NewcastletonNewcastleton | Scottish Borders | 224 | 13.1 | 15.7 | 12.6 | 22.4 | Source |
| 2 | 2. Brodick, Lamlash, Whiting BayBalmichael Arran | North Ayrshire | 169 | 9.9 | 11.8 | 9.4 | 16.9 | Source |
| 3 | 3. St Andrews, Cupar, LeucharsLomond Hills Borehole Mix | Fife | 142 | 8.3 | 9.9 | 8 | 14.2 | Source |
| 4 | 4. Dumfries, CargenbridgeTerregles | Dumfries and Galloway | 127 | 7.4 | 8.9 | 7.1 | 12.7 | Source |
| 5 | 5. StromnessBoardhouse Orkney | Orkney Islands | 115 | 6.7 | 8.1 | 6.5 | 11.5 | Source |
| 6 | 6. Kirkwall, FinstownKirbister Orkney | Orkney Islands | 111 | 6.5 | 7.8 | 6.2 | 11.1 | Source |
| 7 | 7. Innerleithen, Walkerburn, CardronaInnerleithen | Scottish Borders | 108 | 6.3 | 7.6 | 6 | 10.8 | Source |
| 8 | 8. Elgin (part), Forres, BurgheadSpynie | Moray | 104 | 6.1 | 7.3 | 5.8 | 10.4 | Source |
| 9 | 9. Peterhead, Cruden Bay, BoddamForehill | Aberdeenshire | 98 | 5.7 | 6.9 | 5.5 | 9.8 | Source |
| 10 | 10. Thurso, Wick and MoffatHoy Calder and Moffat | Highland / Dumfries and Galloway | 91 | 5.3 | 6.4 | 5.1 | 9.1 | Source |
Showing the 10 hardest water supply zones in Scotland. Find every town on the full Scotland chart.