The Water Dictionary

Tap Water in L14

Liverpool CTM 36 InchUnited Utilities

Tap water in Liverpool CTM 36 Inch, supplied by United Utilities, 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 77 mg/L as CaCO₃.


Mineral composition

mg/L
Calcium24
Magnesium4
Sodium23
Sulfate26
Chloride21
Bicarbonate52

Additional info

Hardness77 as CaCO₃
Alkalinity42.2 as CaCO₃
pH7.43
Conductivity229 µS/cm
SourceUnited Utilities
Data year2025

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

Enough buffering to take the sharpest edges off mash pH and espresso acidity without flattening either: a versatile range that works well for amber ales, wheat beers, and most filter coffee and espresso preparations, providing body without masking origin character.


Closest water profiles


Nearby areas


Data sourced from United Utilities (2025). Looking for a specific address? Look up your full postcode for the most accurate result.