Abergele Water Hardness & Quality Report (2026)
Water Hardness
~100–149 mg/L
Slightly Hardestimated · not lab-verified
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
228.4 mg/L
Est. Daily Cost
£0.28
energy & soap waste
Source: DWI Data Portal · Updated 2026
0–99
mg/L
Soft
100–149
mg/L
Slightly Hard
150–199
mg/L
Moderately Hard
200–300
mg/L
Hard
300+
mg/L
Very Hard
Appliance Damage Report
In Abergele, your appliances are currently losing 17% efficiency due to mineral buildup.
| Appliance | In Abergele | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10 yrs | 12 yrs | -17% |
| Water Heater | 12.5 yrs | 15 yrs | -17% |
Regional Water Comparison
How Abergele compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Abergele, Wales | ≈ 100–149 mg/L | 8.8° | 🟡 Slightly Hard | reservoir |
| Rhyl, Wales | ≈ 0–100 mg/L | 4.7° | 🟢 Soft | reservoir |
| Colwyn Bay, Wales | ≈ 0–100 mg/L | 5.2° | 🟢 Soft | reservoir |
| Prestatyn, Wales | ≈ 100–150 mg/L | 5.9° | 🟡 Slightly Hard | reservoir |
| Llandudno, Wales | ≈ 150–200 mg/L | 9.6° | 🟡 Moderately Hard | reservoir |
National Benchmark
How Abergele compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Abergele | ≈ 100–149 mg/L | 🟡 Low |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Abergele's Water Unique?
Local geology and source profile
The water supply for Abergele, Wales, comes from Alwen Reservoir, located in the Denbigh Moors. This water is then treated at Llyn Brenig Water Treatment Works before being supplied to residents. Welsh Water is the company responsible for this vital service, ensuring the water meets regulatory standards. While specific details about the treatment process and the exact origin of the supply are limited in the provided data, the reservoir serves as the primary collection point for the region's drinking water.
Water in this region originates from a landscape characterized by moorlands. The geological makeup of the Denbigh Moors contributes to the water's characteristics. Specifically, the water flowing into Alwen Reservoir is known to be soft. This softness is a direct result of the geology, as the underlying rock formations in the area do not contain high concentrations of dissolved minerals like calcium and magnesium, which are the primary contributors to water hardness.
Homeowners in Abergele may notice the effects of soft water on their daily routines. Appliances like washing machines and dishwashers often perform more efficiently with soft water, and less soap or detergent is needed for cleaning. Pipes are less likely to suffer from scale buildup, potentially extending their lifespan. While generally desirable for its lack of mineral deposits, some individuals find the taste of soft water to be different from harder supplies. No significant safety concerns were noted in the available information.
Geology & Source: Welsh Water; soft water (5.5°Clark)
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