Water Hardness in Blackburn
Blackburn has moderately soft water at 99.5 mg/l CaCO₃. This is below the UK national average of 197.72 mg/l. You are unlikely to experience significant limescale issues.
99.5
mg/l CaCO₃
Moderately SoftUK average: 197.72 mg/l
99.5
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Moderately Soft Water Mean?
At just 99.5 mg/l, Blackburn has moderately soft water. This means very little dissolved calcium and magnesium, so limescale buildup is minimal.
Soft water lathers easily with soap, is gentler on skin and hair, and causes less wear on appliances. A water softener is not needed at this hardness level.
Water Supplier
- Water Company
- United Utilities
- Supply Zone
- West Pennine
- Source Type
- Mixed
- Treatment Works
- Blackburn with Darwen Treatment Works
Full Water Quality Report for Blackburn
See all 5 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Blackburn?▾
No, Blackburn has soft water at 99.5 mg/l CaCO₃, classified as "Moderately Soft". You are unlikely to experience limescale issues.
What is the hardness of water in Blackburn?▾
The water hardness in Blackburn is 99.5 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Moderately Soft" on the standard UK scale and is below the national average of 197.72 mg/l. Water is supplied by United Utilities from mixed sources.
Who supplies water to Blackburn?▾
Water in Blackburn is supplied by United Utilities, which covers the North West England region. The water is sourced from mixed sources and treated at Blackburn with Darwen Treatment Works before distribution.