Tap Water in PE23
Spilsby — Anglian Water
Tap water in Spilsby, supplied by Anglian Water, has the character of a blended surface and groundwater supply, with no dominant mineral signature. It's moderately hard, in the upper half of the national range, with a total hardness of 296 mg/L as CaCO₃.
Mineral composition
| mg/L | |
|---|---|
| Calcium | 108 |
| Magnesium | 7 |
| Sodium | awaiting data |
| Sulfate | 85 |
| Chloride | 37 |
| Bicarbonate | awaiting data |
Additional info
| Hardness | 296.3 as CaCO₃ |
| Alkalinity | awaiting data |
| pH | 7.5 |
| Conductivity | 568 µS/cm |
| Source | Anglian Water |
| Data year | 2025 |
What this means
Kettle & appliances
Limescale buildup is noticeable and ongoing. Kettles will develop visible deposits within weeks, and heating elements in boilers and washing machines will need periodic attention. A water softener or scale inhibitor is worth considering.
Espresso
This water will scale espresso machines meaningfully. Flavour-wise, the high mineral content tends to flatten acidity and produce a heavier, less nuanced shot with lighter roasts. Darker roasts and milk-based drinks fare better: the body and density that hard water produces can carry well through milk. Regular descaling is essential, and filtration or blending with softer water is worth considering.
Filter & pour-over
The effect is more noticeable here than in espresso, because the higher water-to-coffee ratio amplifies the mineral influence. Lighter roasts will taste muted and uniform; origin character gets buried. Darker roasts hold up better, but the cup will lack the clarity that filter brewing is best at producing.
Drinking & cooking
The mineral taste is perceptible. Some people prefer it; others find it chalky. Hard water can affect how well soap and detergent lather, and it leaves visible residue on glass and stainless steel.
Closest water profiles
Nearby areas
Data sourced from Anglian Water (2025). Looking for a specific address? Look up your full postcode for the most accurate result.