Water hardness

TA11 Somerton

Near or below the UK average. Limescale builds slowly.

At 28 ppm, Somerton ranks near the UK's softest water areas — compare it against the hardest areas.

Soft 28 ppm South West South West Water
Your reading
28
parts per million
Soft
Moderate
Hard
Very hard
0100200300400+

What this means for your home

Based on 28 ppm in Somerton (soft water).

  • Soap lathers easily with less product needed
  • Minimal limescale buildup in appliances
  • Gentle on skin and hair
  • May taste slightly flat compared to harder water

Heat loss
1%
Minimal scaling
Softener salt
£2–3
per year
Worth it?
No
at 28 ppm
Suggested for soft 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 Somerton?

A verdict and running-cost estimate based on TA11's 28 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 95.7 days
Salt running cost
£2–3
per year (~6 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 28 ppm: negligible: appliances reach full expected life. Sized for a 4-person home; regenerates roughly every 96 days (estimate). Figures are conservative estimates and vary with household size and usage.

Water quality details

Hardness data for TA11

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

Hardness measurements

Parts per million (ppm CaCO₃)28
Degrees Clark (°Clark)2
Degrees French (°fH)2.8
Degrees German (°dH)1.6
Calcium (mg/L Ca²⁺)11

Supplier and area

Water supplier South West Water
Region South West
County Somerset
Hardness band Soft
UK average 207 ppm
Visit South West Water page
Official source
South West Water water-hardness report

Most of the region is soft water, except East Devon; use the postcode lookup on this page to find your address's specific water quality.

FAQ

Common questions about TA11

What is the water hardness in TA11 Somerton?
The water in TA11 Somerton has a hardness level of 28 ppm (parts per million) calcium carbonate, classified as soft. This is 179 ppm below the UK national average of 207 ppm.
Which water company supplies TA11?
TA11 Somerton is supplied by South West Water. South West Water serves the South West region.
Is the water in TA11 safe to drink?
Yes. Soft water at 28 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 TA11?
At 28 ppm, the water in TA11 is soft and unlikely to cause significant issues. A jug filter can improve taste, but a water softener is generally not necessary.
What does 28 ppm water hardness mean?
28 ppm means there are 28 parts per million of calcium carbonate dissolved in the water. This is equivalent to 2 Clark degrees, 1.6 German degrees, or 2.8 French degrees. Water above 180 ppm is generally considered hard.
What size water softener do I need in TA11?
For a typical 4-person home at 28 ppm, a 24,000 grain softener is a sensible size. It would regenerate roughly every 95.7 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 TA11?
At 28 ppm, expect to use about 6 kg of salt a year, costing roughly £2–£3/year. Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.

Your Somerton water action plan

Enter your email for the short list of things worth doing at 28 ppm, and the upgrades you can safely ignore.

Check another postcode

Compare hardness across areas before moving or buying a softener.