Is Bath Water Hard or Soft?
Hard at 250 ppm • Somerset, South West
The average water hardness in Bath is 250 ppm, classified as hard. Bath is served by Wessex Water, covering 19 postcode districts across Somerset in the South West region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Bath
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| BA9 | Wessex Water | 291 ppm | Hard | |
| BA8 | Wessex Water | 290 ppm | Hard | |
| BA7 | Wessex Water | 289 ppm | Hard | |
| BA6 | Wessex Water | 288 ppm | Hard | |
| BA5 | Wessex Water | 287 ppm | Hard | |
| BA4 | Wessex Water | 286 ppm | Hard | |
| BA3 | Wessex Water | 285 ppm | Hard | |
| BA2 | Wessex Water | 284 ppm | Hard | |
| BA1 | Wessex Water | 283 ppm | Hard | |
| BA22 | Wessex Water | 239 ppm | Hard | |
| BA21 | Wessex Water | 238 ppm | Hard | |
| BA20 | Wessex Water | 237 ppm | Hard | |
| BA16 | Wessex Water | 210 ppm | Hard | |
| BA15 | Wessex Water | 209 ppm | Hard | |
| BA14 | Wessex Water | 208 ppm | Hard | |
| BA13 | Wessex Water | 207 ppm | Hard | |
| BA12 | Wessex Water | 206 ppm | Hard | |
| BA11 | Wessex Water | 205 ppm | Hard | |
| BA10 | Wessex Water | 204 ppm | Hard |
Water Companies Serving Bath
Water Hardness Guides
Recommended Products for Bath
Popular choices for households dealing with hard water in this area.
Water2Buy W2B200 Water Softener
From ~£400Best-value whole-house ion-exchange softener for UK homes. Eliminates limescale from pipes, boilers, and appliances. Digital metered regeneration — low salt use. 7-year warranty.
View on AmazonPhilips AWP1775 Shower Filter
From ~£30Quick win for skin and hair in hard water areas. Reduces chlorine and limescale — fits standard shower hoses in minutes, no tools needed. Cartridge lasts ~6 months.
View on AmazonBRITA Marella Water Filter Jug
From ~£20UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.
View on AmazonGet Water Hardness Updates
Be notified when your water company reports changes to hardness levels.