Water hardness

TS14 Guisborough

Near or below the UK average. Limescale builds slowly.

At 65 ppm, Guisborough ranks near the UK's softest water areas — compare it against the hardest areas.

Slightly Hard 65 ppm North East Northumbrian Water
Your reading
65
parts per million
Soft
Moderate
Hard
Very hard
0100200300400+

What this means for your home

Based on 65 ppm in Guisborough (slightly hard water).

  • Minor limescale may appear in kettles over time
  • Soap lathers reasonably well
  • Appliances generally unaffected
  • Good balance of mineral taste
Heat loss
1%
Minimal scaling
Softener salt
£4–6
per year
Worth it?
No
at 65 ppm
Suggested for slightly hard water
Filter jug (optional)
Mainly a taste preference, limescale won't be a real issue here.
From £20
Maintenance habits
Routine descaling once or twice a year is plenty.
Free
Softening

Should you soften the water in Guisborough?

A verdict and running-cost estimate based on TS14's 65 ppm reading, for a typical 4-person household.

Softener optional

Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.

Recommended size
24k
grain capacity, regenerates ~every 41.2 days
Salt running cost
£4–6
per year (~13 kg salt)
Limescale
1%
est. heater efficiency loss. Minimal scaling
Soap saving
Minimal
Water is already soft, so there is little detergent saving from softening.

Appliance impact at 65 ppm: negligible: appliances reach full expected life. Sized for a 4-person home; regenerates roughly every 41 days (estimate). Figures are conservative estimates and vary with household size and usage.

Water quality details

Hardness data for TS14

Sourced from Northumbrian Water's published water-quality reports and public records.

Hardness measurements

Parts per million (ppm CaCO₃)65
Degrees Clark (°Clark)4.5
Degrees French (°fH)6.5
Degrees German (°dH)3.6
Calcium (mg/L Ca²⁺)26

Supplier and area

Water supplier Northumbrian Water
Region North East
County Teesside
Hardness band Slightly Hard
UK average 207 ppm
Visit Northumbrian Water page
Official source
Northumbrian Water water-hardness report

This page explains local hardness and links to a postcode water quality checker so you can find your supply zone's level.

Nearby

Other areas near Guisborough

TS13
Saltburn By The Sea
64ppm
Slightly Hard
TS15
Yarm
66ppm
Slightly Hard
TS16
Stockton On Tees
67ppm
Slightly Hard
FAQ

Common questions about TS14

What is the water hardness in TS14 Guisborough?
The water in TS14 Guisborough has a hardness level of 65 ppm (parts per million) calcium carbonate, classified as slightly hard. This is 142 ppm below the UK national average of 207 ppm.
Which water company supplies TS14?
TS14 Guisborough is supplied by Northumbrian Water. Northumbrian Water serves the North East region.
Is the water in TS14 safe to drink?
Yes. Slightly Hard water at 65 ppm is safe to drink. Water hardness affects taste and can cause limescale, but it is not a health risk. In fact, hard water contains beneficial minerals like calcium and magnesium.
How can I reduce water hardness in TS14?
At 65 ppm, the water in TS14 is slightly hard and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 65 ppm water hardness mean?
65 ppm means there are 65 parts per million of calcium carbonate dissolved in the water. This is equivalent to 4.5 Clark degrees, 3.6 German degrees, or 6.5 French degrees. Water above 180 ppm is generally considered hard.
What size water softener do I need in TS14?
For a typical 4-person home at 65 ppm, a 24,000 grain softener is a sensible size. It would regenerate roughly every 41.2 days. Larger households or higher daily use need a bigger unit. These figures are conservative estimates.
How much does it cost to run a water softener in TS14?
At 65 ppm, expect to use about 13 kg of salt a year, costing roughly £4–£6/year. Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.

Your Guisborough water action plan

Enter your email for the short list of things worth doing at 65 ppm, and the upgrades you can safely ignore.

Check another postcode

Compare hardness across areas before moving or buying a softener.