Official Supplier Data: Severn Trent Water • DWI & BS 7593 Standards

Water Hardness in DE5

Official water quality verdict for outcode DE5: classified as Moderately Hard Water (160 PPM), supplied and treated by Severn Trent Water across 4 sectors.

Rating: Moderately Hard Water160 PPM • 11.2° ClarkSupplier: Severn Trent Water-20% below UK average
Outcode Mean Hardness160 PPM11.2° Clark • Moderately Hard Water16.0°fH • 9.0°dH
Outcode DE5 Household Water Quality Verdict & Practical Advice

Domestic tap water in outcode DE5 is officially classified as moderately hard water, averaging 160 PPM (mg/L CaCO₃) or 11.2° Clark, supplied and treated by Severn Trent Water across all 4 postcode sectors (537 postcodes). Readings range from 160 PPM (DE5 3) to 160 PPM (DE5 9) with consistent mineral levels throughout.

☕ Kettle & Tea Quality:

Gradual chalky ring forms in kettles over 2–3 months. Descale quarterly with citric acid crystals to keep heating elements clean.

🚿 Skin & Bathing:

Moderate mineral content is generally gentle on skin, producing normal lather with everyday soaps and shampoos.

🍽️ Appliances & Salt:

Set dishwashers to H02 – H03 to avoid cloudy glassware, and check boiler inhibitor levels at your annual service.

Local Installer Quote Network

Protect Your Heating & Appliances in DE5 (160 PPM): Compare Local Specialists

Connect with certified local plumbers for limescale management and British Standard BS 7593 heating system protection in Severn Trent Water.

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WRAS-Approved Water Softeners
100% Free & No Obligation Quotes
vs. UK Benchmark-20% Softervs 200 PPM national average
Boiler Heat Loss4% – 7%Est. thermal heating drag
Kettle DescalingQuarterlyAppliance maintenance cycle
Comprehensive Sector Data Aggregation

Outcode DE5 Water Quality & Mineral Profile

Statistical distribution across all 4 postcode sectors and 537 delivery points under Severn Trent Water's catchment monitoring:

Analyzed Sectors4537 postcodes
PPM Spread (Min - Max)160 – 160Variance: 0 PPM
Predominant ZoneModerately Hard Water0% hard/very hard
Regulating AuthoritySevern Trent WaterDWI Regulated Supply
Hydro MetricOutcode DE5 LevelUK National ReferenceRegional Status
Mean Mineral Density160 PPM (11.2 °Clark)200 PPM (14.0 °Clark)-20% below baseline
French & German Scale16.0 °fH / 9.0 °dH20.0 °fH / 11.2 °dHEuropean standard conversion
Catchment UniformityUniform (Single primary source)Regional blending standardSingle Water Zone
Dishwasher Salt CalibrationH02 – H03Bosch H03 / Beko Level 2Salt required
Regional Hydro-Geological Overview

Water Hardness Breakdown: Outcode DE5

Tired of stubborn limescale buildup in your kettle or dealing with an unappetising film of scum on your morning cuppa? Tap water across all 4 postcode sectors in outcode DE5 (covering 537 homes) averages 160 PPM (11.2° Clark). Maintained and distributed by Severn Trent Water, this places the district firmly into the moderately hard water bracket—approximately 20% softer than the UK national baseline (200 PPM).

Water hardness is remarkably consistent across all 4 sectors of DE5, with readings holding steady at 160 PPM from DE5 3 through to DE5 9. This uniform profile means every household on the Severn Trent Water network in this zone shares the same appliance settings and kettle descaling routine.

Supplies across DE5 are managed by Severn Trent Water through a balanced mix of lowland river abstraction and regional storage reservoirs. Water hardness fluctuates moderately between wet winter periods and dry summer months, averaging 160 PPM across all 537 local postcodes under strict Drinking Water Inspectorate (DWI) compliance.

Households across DE5's 537 postcodes experience manageable mineral levels. While heating efficiency losses remain mild (4% – 7%), routine descaling of steam irons and thermostatic shower cartridges prevents gradual mineral clogging.

Estimated Annual Household Financial Impact

Limescale & Appliance Operating Costs in Outcode DE5

Based on 160 PPM mineral saturation (Moderately Hard Water), operating heating appliances across DE5's 537 households carries distinct annual economic consequences:

Extra Combi Boiler Gas Cost£40 – £80

Negligible heat exchanger limescale layer; boilers maintain optimal seasonal fuel efficiency.

Dishwasher Salt Requirement4 – 8 kg

Soft water requires minimal or zero softener regeneration salt, cutting annual consumable costs.

Heating Element Degradation4% – 7% thermal drag

Minor scale accumulation over 3–5 operating years.

Regional Comparison

Curious how outcode DE5 compares?

See how the hardest sector in DE5 (DE5 9) compares against central London water metrics.

Compare vs London (SW1A 1)
Uniform Water Quality Corridor

Consistent Catchment Zone Across Outcode DE5

160 PPM11.2 °Clark • Moderately Hard Water

Tap water throughout outcode DE5 is supplied from a unified distribution network managed by Severn Trent Water. With all 4 sectors presenting an identical mineral concentration of 160 PPM, households across all 537 postcodes share uniform limescale risk profiles and identical appliance salt calibrations (H02 – H03).

Frequently Asked Questions: Water in Outcode DE5

Q: What is the average water hardness in outcode DE5?

Tap water across outcode DE5 averages 160 PPM (mg/L), which equals 11.2° Clark, 16.0°fH, or 9.0°dH. It is officially classified as moderately hard water water supplied by Severn Trent Water.

Q: Is water in DE5 harder than the UK national average?

The UK baseline average is approximately 200 PPM. At 160 PPM, water in outcode DE5 is 20% softer than the national benchmark.

Q: What dishwasher salt setting is recommended for DE5?

For Bosch, Siemens, and Neff dishwashers in outcode DE5 (160 PPM), the recommended softener setting is H02 – H03.

Q: Who manages the municipal water supply in outcode DE5?

Public tap water infrastructure across all 4 sectors in outcode DE5 is distributed and monitored by Severn Trent Water.

All Postcode Sectors in DE5

Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.