Fylde Water Hardness & Quality Report (2026)
Water Hardness
10.8°Clark15.4°fH8.6°dH
Source
mixed
pH Level
7.9
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
442.4 mg/L
Est. Daily Cost
£0.35
energy & soap waste
Source: DWI Data Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Fylde, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Fylde | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.5 yrs | 8.5 yrs | -47% |
| Washing Machine | 7.9 yrs | 12 yrs | -34% |
| Water Heater | 9.5 yrs | 15 yrs | -37% |
Regional Water Comparison
How Fylde compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Fylde, North West | 153.5 mg/L | 10.8° | 🟠 Hard | mixed |
| Poulton-le-Fylde, North West | 81.5 mg/L | 5.7° | 🟡 Moderately Hard | mixed |
| Thornton-Cleveleys, North West | 138.5 mg/L | 9.7° | 🟠 Hard | mixed |
| Lytham St Annes, North West | 76.5 mg/L | 5.4° | 🟡 Moderately Hard | mixed |
| Cleveleys, North West | 79.5 mg/L | 5.6° | 🟡 Moderately Hard | mixed |
National Benchmark
How Fylde compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Fylde | 153.5 mg/L | 🟠 Moderate |
| United Kingdom National Avg | 183 mg/L | 🔴 High |
| Livingston Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Fylde's Water Unique?
Local geology and source profile
Fylde, the coastal borough in west Lancashire encompassing Lytham St Annes and parts of the Fylde plain between Preston and Blackpool, is supplied by United Utilities from the combined Pennine reservoir network and local groundwater from the Fylde Aquifer. United Utilities draws on the Pennine reservoir system — including Stocks Reservoir in the Bowland Fells and the Thirlmere–Manchester aqueduct network — for Lancashire coastal supply. However, the Fylde plain is also underlain by the Permo-Triassic Sherwood Sandstone Aquifer — the productive Fylde Aquifer — a significant regional groundwater source exploited by licensed United Utilities boreholes in the Fylde plain. This sandstone groundwater, with dissolved calcium and sulphate from Triassic formation minerals, raises the hardness above the very soft Pennine reservoir baseline.
Fylde's hardness of 153.5 mg/L (10.8°Clark) reflects the blend of soft Pennine reservoir supply and moderately hard Fylde Aquifer groundwater. The Triassic Sherwood Sandstone beneath the Fylde plain — the same Permo-Triassic formation that outcrops in the Forest of Bowland foothills — yields groundwater with dissolved calcium and moderate sulphate from sandstone cement and Triassic evaporite mineral dissolution. The United Utilities distribution blend serving the Fylde coast mixes this moderately hard groundwater with the soft Pennine reservoir supply, producing a moderately hard result. The Drinking Water Inspectorate (DWI) classifies this supply as moderately hard.
Limescale is a moderate household concern in Fylde. At 153.5 mg/L, limescale forms gradually in kettles and descaling every one to two months is typically sufficient. Combi-boiler heat exchangers accumulate modest deposits; annual servicing is sensible. Showerheads and taps develop light to moderate deposits. Washing-up liquid lathers reasonably well. Adding Calgon monthly to the washing machine and a regular kettle descale provides adequate limescale management for most Fylde coast households.
Geology & Source: Supplied by United Utilities from Pennine upland reservoirs blended with the Fylde Aquifer — the Triassic sandstone aquifer beneath the Fylde coast plain — Fylde's west Lancashire position produces moderately hard water at 153.5 mg/L (10.8°Clark).