Shirebrook Water Hardness & Quality Report (2026)
Water Hardness
13°Clark18.6°fH10.4°dH
Source
mixed
pH Level
7.9
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
303.8 mg/L
Est. Daily Cost
£0.42
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 Shirebrook, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Shirebrook | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.4 yrs | 8.5 yrs | -25% |
| Washing Machine | 9 yrs | 12 yrs | -25% |
| Water Heater | 11.3 yrs | 15 yrs | -25% |
Regional Water Comparison
How Shirebrook compares to its nearest neighbours
| City | Hardness | Clark° | Risk | Source |
|---|---|---|---|---|
| ▶ Shirebrook, East Midlands | 186 mg/L | 13° | 🟡 Moderately Hard | mixed |
| Mansfield Woodhouse, East Midlands | ≈ 200–300 mg/L | 13.2° | 🟠 Hard | mixed |
| Mansfield, East Midlands | ≈ 200–300 mg/L | 13.2° | 🟠 Hard | mixed |
| Bolsover, East Midlands | ≈ 200–300 mg/L | 9.9° | 🟠 Hard | mixed |
| Sutton in Ashfield, East Midlands | ≈ 200–300 mg/L | 7.5° | 🟠 Hard | mixed |
National Benchmark
How Shirebrook compares to the United Kingdom average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Shirebrook | 186 mg/L | 🟡 Moderate |
| United Kingdom National Avg | 177 mg/L | 🟡 Moderate |
| Skipton Top Rated | 7.1 mg/L | 🟢 None |
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What Makes Shirebrook's Water Unique?
Local geology and source profile
Severn Trent Water provides water to Shirebrook, Derbyshire, in the East Midlands, UK. Their supply originates from a mix of groundwater drawn from Permian limestone aquifers and surface water collected from local rivers and reservoirs within the River Trent catchment. Water undergoes treatment at various regional facilities, including those in the Derwent Valley, which process these combined sources to serve the Mansfield and Bolsover districts. This blended water system caters to millions of customers across the Midlands.
The region's geology features Mercian Mudstone Group and Magnesian Limestone formations from the Permian period, alongside overlying glacial and alluvial deposits from the Quaternary period. Groundwater sourced from the limestone yields mineral-rich water due to dissolution, contributing to hardness. Conversely, the mudstone and drift deposits generally result in softer surface water or shallow groundwater flows. This geological diversity creates a mixed water profile where hardness levels can fluctuate depending on the specific local source.
Homeowners in areas with variable water hardness, such as Shirebrook, may notice differences in scale buildup, particularly affecting appliances like kettles, showerheads, and boilers. In harder zones, this can lead to reduced efficiency and increased energy consumption. Regular descaling, using methods like vinegar rinses for appliances, and checking pipes for limescale are practical maintenance steps. For properties experiencing significant hardness, installing a water softener is often recommended to prevent appliance damage, prolong their lifespan, and enhance soap lathering. Severn Trent consistently meets UK drinking water standards, reporting compliance with pH levels, lead and copper limits, and trace elements like PFAS, iron, manganese, and PFAS.
Geology & Source: Mercian Mudstone Group and Magnesian Limestone; limestone yields mineral-rich groundwater, mudstone yields softer flows.
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