WaterIs Colchester Water Hard or Soft?
Hard at 288 ppm • Essex, East Of England
The average water hardness in Colchester is 288 ppm, classified as hard. Colchester is served by Anglian Water, covering 16 postcode districts across Essex in the East Of England region.
Hardness varies across the area — see the table below for a breakdown by postcode district.
Water Hardness by Postcode in Colchester
| Postcode | Water Company | Hardness | PPM | Level |
|---|---|---|---|---|
| CO16 | Anglian Water | 304 ppm | Very Hard | |
| CO15 | Anglian Water | 303 ppm | Very Hard | |
| CO14 | Anglian Water | 302 ppm | Very Hard | |
| CO13 | Anglian Water | 301 ppm | Very Hard | |
| CO12 | Anglian Water | 300 ppm | Hard | |
| CO11 | Anglian Water | 299 ppm | Hard | |
| CO10 | Anglian Water | 298 ppm | Hard | |
| CO9 | Anglian Water | 281 ppm | Hard | |
| CO8 | Anglian Water | 280 ppm | Hard | |
| CO7 | Anglian Water | 279 ppm | Hard | |
| CO6 | Anglian Water | 278 ppm | Hard | |
| CO5 | Anglian Water | 277 ppm | Hard | |
| CO4 | Anglian Water | 276 ppm | Hard | |
| CO3 | Anglian Water | 275 ppm | Hard | |
| CO2 | Anglian Water | 274 ppm | Hard | |
| CO1 | Anglian Water | 273 ppm | Hard |
Water Companies Serving Colchester
Water Hardness Guides
Recommended Products for Colchester
Popular choices for households dealing with hard water in this area.
Water2Buy W2B200 Water Softener
From ~£400Best-value whole-house ion-exchange softener for UK homes. Eliminates limescale from pipes, boilers, and appliances. Digital metered regeneration — low salt use. 7-year warranty.
View on AmazonPhilips AWP1775 Shower Filter
From ~£30Quick win for skin and hair in hard water areas. Reduces chlorine and limescale — fits standard shower hoses in minutes, no tools needed. Cartridge lasts ~6 months.
View on AmazonBRITA Marella Water Filter Jug
From ~£20UK's best-selling filter jug. Reduces limescale, chlorine, and metals for better-tasting tap water. Quick first step alongside a softener.
View on AmazonGet Water Hardness Updates
Be notified when your water company reports changes to hardness levels.