Skelmersdale Water Hardness & Quality Report (2026)
Water Hardness
8.2°Clark11.7°fH6.6°dH
Source
mixed
pH Level
7.6
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
304.7 mg/L
Est. Daily Cost
£0.27
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 Skelmersdale, your appliances are currently losing 16% efficiency due to mineral buildup.
| Appliance | In Skelmersdale | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.7 yrs | 8.5 yrs | -33% |
| Washing Machine | 9.3 yrs | 12 yrs | -22% |
| Water Heater | 10.9 yrs | 15 yrs | -27% |
Regional Water Comparison
How Skelmersdale compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Skelmersdale, North West | 117 mg/L | 8.2° | 🟡 Moderately Hard | mixed |
| St Helens, North West | 178 mg/L | 12.5° | 🟠 Hard | mixed |
| Ormskirk, North West | 144.5 mg/L | 10.1° | 🟠 Hard | mixed |
| Prescot, North West | 97.5 mg/L | 6.8° | 🟡 Moderately Hard | mixed |
| Haydock, North West | 77.5 mg/L | 5.4° | 🟡 Moderately Hard | mixed |
National Benchmark
How Skelmersdale compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Skelmersdale | 117 mg/L | 🟡 Low |
| United Kingdom National Avg | 183 mg/L | 🔴 High |
| Livingston Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Skelmersdale's Water Unique?
Local geology and source profile
Skelmersdale, the West Lancashire new town designated in 1961 for Liverpool overspill in the south Lancashire coalfield country, is supplied by United Utilities from the Thirlmere Lake District aqueduct and the River Dee treated at Huntington Water Treatment Works near Chester. The Thirlmere aqueduct delivers very soft water from the Borrowdale Volcanic catchment of the central Lake District, and the Dee supply from its Snowdonian headwaters adds further soft water. Skelmersdale's position in the West Lancashire distribution zone draws on the south Lancashire United Utilities supply grid, which blends the Thirlmere/Dee soft supply with moderate contributions from the broader north-west England distribution network, producing a moderately soft supply for the town.
Skelmersdale's hardness of 117 mg/L (8.2°Clark) reflects the blend of soft Thirlmere and Dee supply with the West Lancashire distribution network in the United Utilities south Lancashire zone. The Drinking Water Inspectorate (DWI) classifies this supply as moderately soft.
Limescale is a moderate concern in Skelmersdale. At 117 mg/L, limescale forms gradually and kettles need descaling every one to two months. Combi-boiler heat exchangers accumulate modest deposits; annual servicing is sensible. Showerheads and taps develop light deposits. Washing-up liquid lathers reasonably well. A monthly Calgon tablet in the washing machine and a regular kettle descale is adequate limescale management for most Skelmersdale households.
Geology & Source: Supplied by United Utilities from Thirlmere Lake District aqueduct and River Dee at Huntington — Skelmersdale's West Lancashire new town position draws on United Utilities' very soft Thirlmere and Dee supply, producing moderately soft water at 117 mg/L (8.2°Clark).