UK Water Quality Report • 2026 Data

Water Hardness in BH21

Water supply analysis across 9 postcode sectors in BH21 (South West Water).

Outcode Avg Hardness67.8 PPMSoft Water
Regional Quality Overview

Water Supply Analysis: Outcode BH21

Analyzing water quality disclosures across all 9 postcode sectors in outcode BH21 reveals an average water hardness of 67.8 PPM (Soft Water). Public water supply across this area is managed by South West Water, responsible for treating and delivering water to residential households.

Water chemistry can fluctuate across supply zones in BH21. The lowest mineral concentration is recorded in sector BH21 1 at 40 PPM, whereas sector BH21 3 experiences higher mineral levels reaching 290 PPM.

Since BH21 enjoys soft water (67.8 PPM), residents generally do not need dishwasher salt or heavy-duty limescale descalers. Standard detergent dosages are sufficient for laundry and dishwashing. Review the individual postcode sectors below to get precise dishwasher salt settings and limescale recommendations.

Softest Sector in BH21

Lowest mineral concentration

Softest
Sector BH21 1306 Postcodes • Soft
40 PPM2.8 °Clark

Hardest Sector in BH21

Highest mineral concentration

Highest Hardness
Sector BH21 3283 Postcodes • Hard
290 PPM20.3 °Clark

All Postcode Sectors in BH21

Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.