Official water quality verdict for outcode HR6: classified as Moderately Hard Water (150 PPM), supplied and treated by Severn Trent / Hafren Dyfrdwy across 4 sectors.
Rating: Moderately Hard Water150 PPM • 10.5° ClarkSupplier: Severn Trent / Hafren Dyfrdwy-25% below UK average
Outcode Mean Hardness150 PPM10.5° Clark • Moderately Hard Water15.0°fH • 8.4°dH
Outcode HR6 Household Water Quality Verdict & Practical Advice
Domestic tap water in outcode HR6 is officially classified as moderately hard water, averaging 150 PPM (mg/L CaCO₃) or 10.5° Clark, supplied and treated by Severn Trent / Hafren Dyfrdwy across all 4 postcode sectors (803 postcodes). Readings range from 150 PPM (HR6 0) to 150 PPM (HR6 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.
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vs. UK Benchmark-25% Softervs 200 PPM national average
Serving 803 homes and businesses across outcode HR6, mains tap water supplied by Severn Trent / Hafren Dyfrdwy registers an average mineral density of 150 PPM (15.0°fH / 8.4°dH). Rated as moderately hard water, local water hardness determines how well laundry detergents lather, the rate of scale accumulation in combi boilers, and whether sensitive skin or eczema flares up after showers.
Water hardness is remarkably consistent across all 4 sectors of HR6, with readings holding steady at 150 PPM from HR6 0 through to HR6 9. This uniform profile means every household on the Severn Trent / Hafren Dyfrdwy network in this zone shares the same appliance settings and kettle descaling routine.
Supplies across HR6 are managed by Severn Trent / Hafren Dyfrdwy 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 150 PPM across all 803 local postcodes under strict Drinking Water Inspectorate (DWI) compliance.
Households across HR6's 803 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 HR6
Based on 150 PPM mineral saturation (Moderately Hard Water), operating heating appliances across HR6's 803 households carries distinct annual economic consequences:
Tap water throughout outcode HR6 is supplied from a unified distribution network managed by Severn Trent / Hafren Dyfrdwy. With all 4 sectors presenting an identical mineral concentration of 150 PPM, households across all 803 postcodes share uniform limescale risk profiles and identical appliance salt calibrations (H02 – H03).
Frequently Asked Questions: Water in Outcode HR6
Q: What is the average water hardness in outcode HR6?
Tap water across outcode HR6 averages 150 PPM (mg/L), which equals 10.5° Clark, 15.0°fH, or 8.4°dH. It is officially classified as moderately hard water water supplied by Severn Trent / Hafren Dyfrdwy.
Q: Is water in HR6 harder than the UK national average?
The UK baseline average is approximately 200 PPM. At 150 PPM, water in outcode HR6 is 25% softer than the national benchmark.
Q: What dishwasher salt setting is recommended for HR6?
For Bosch, Siemens, and Neff dishwashers in outcode HR6 (150 PPM), the recommended softener setting is H02 – H03.
Q: Who manages the municipal water supply in outcode HR6?
Public tap water infrastructure across all 4 sectors in outcode HR6 is distributed and monitored by Severn Trent / Hafren Dyfrdwy.
All Postcode Sectors in HR6
Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.