Tap Water in TA4
Zone 10 Maundown Central — Wessex Water
Tap water in Zone 10 Maundown Central, supplied by Wessex Water, has the character of soft upland reservoir water, common in the north and west. It’s soft water, low in dissolved minerals, with a total hardness of 49 mg/L as CaCO₃. This is notably soft water, among the lowest-mineral tap water in England.
Mineral composition
| mg/L | |||
|---|---|---|---|
| Calcium | ~16 | ||
| Magnesium | ~1 | ||
| Sodium | 7 | ||
| Sulfate | 12 | ||
| Chloride | 11 | ||
| Bicarbonate | ~44 | ||
| ~ Estimated from hardness and ion balance — not directly measured by the water company. | |||
Additional info
| Hardness | 49 as CaCO₃ |
| Alkalinity | 36.1 as CaCO₃ |
| pH | 7 |
| Conductivity | 103 µS/cm |
| Source | Wessex Water |
| Data year | 2024 |
What this means
Kettle & appliances
At this level of hardness, limescale is essentially a non-issue. Kettles, boilers, and heating elements will stay clean without treatment.
Espresso
Soft water is forgiving on espresso machines (no scale risk) but can produce a thinner, more acidic shot. The low mineral content means less buffering, so bright and sour notes tend to dominate. That said, lighter roasts can shine here in ways they won’t in harder water.
Filter & pour-over
This is where soft water shows its range. A V60 or Chemex will produce a bright, clean, highly readable cup with clear origin character. Light and medium roasts tend to be at their most expressive. It can tip into sourness with very light roasts, but for most specialty filter coffee, this water is close to ideal.
Drinking & cooking
This water tastes clean and neutral. It lathers easily, rinses cleanly, and won’t leave mineral deposits on glassware or cookware.
Bicarbonate
Water with very little buffering capacity: mash pH will drop readily without intervention, which suits pale, base-malt beers well, and espresso will tend bright and acidic with clearly readable fruit and floral notes, though it may tip into sourness with lighter roasts.
Get the best from your water
TA4 tap water works well for espresso, baking, aquarium use, and tea with little or no adjustment. Brewing is within reach with salt additions. It has too much mineral content for horticulture; a bottled water blend is the better route for that.
Nearby areas
Data sourced from Wessex Water (2024). Looking for a specific address? Look up your full postcode for the most accurate result.