LL74 Tyn Y Gongl
Near or below the UK average. Limescale builds slowly.
At 34 ppm, Tyn Y Gongl ranks near the UK's softest water areas — compare it against the hardest areas.
What this means for your home
Based on 34 ppm in Tyn Y Gongl (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
Should you soften the water in Tyn Y Gongl?
A verdict and running-cost estimate based on LL74's 34 ppm reading, for a typical 4-person household.
Water is soft to moderate, so limescale and soap costs are low and a softener rarely pays back.
Appliance impact at 34 ppm: negligible: appliances reach full expected life. Sized for a 4-person home; regenerates roughly every 79 days (estimate). Figures are conservative estimates and vary with household size and usage.
Hardness data for LL74
Sourced from Welsh Water (Dwr Cymru)'s published water-quality reports and public records.
Hardness measurements
| Parts per million (ppm CaCO₃) | 34 |
| Degrees Clark (°Clark) | 2.4 |
| Degrees French (°fH) | 3.4 |
| Degrees German (°dH) | 1.9 |
| Calcium (mg/L Ca²⁺) | 14 |
Supplier and area
Read the hardness explanation here, then enter your postcode on the linked drinking water quality checker to see your area's calcium and magnesium levels.
Other areas near Tyn Y Gongl
Common questions about LL74
What is the water hardness in LL74 Tyn Y Gongl?
Which water company supplies LL74?
Is the water in LL74 safe to drink?
How can I reduce water hardness in LL74?
What does 34 ppm water hardness mean?
What size water softener do I need in LL74?
How much does it cost to run a water softener in LL74?
Your Tyn Y Gongl water action plan
Enter your email for the short list of things worth doing at 34 ppm, and the upgrades you can safely ignore.
Check another postcode
Compare hardness across areas before moving or buying a softener.