Official water quality verdict for outcode WR13: classified as Moderately Hard Water (155 PPM), supplied and treated by Severn Trent / Hafren Dyfrdwy across 2 sectors.
Rating: Moderately Hard Water155 PPM • 10.9° ClarkSupplier: Severn Trent / Hafren Dyfrdwy-22% below UK average
Outcode Mean Hardness155 PPM10.9° Clark • Moderately Hard Water15.5°fH • 8.7°dH
Outcode WR13 Household Water Quality Verdict & Practical Advice
Domestic tap water in outcode WR13 is officially classified as moderately hard water, averaging 155 PPM (mg/L CaCO₃) or 10.9° Clark, supplied and treated by Severn Trent / Hafren Dyfrdwy across all 2 postcode sectors (377 postcodes). Readings range from 150 PPM (WR13 5) to 160 PPM (WR13 6), showing a local disparity of 10 PPM.
☕ 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 WR13 (155 PPM): Compare Local Specialists
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vs. UK Benchmark-22% Softervs 200 PPM national average
Tired of stubborn limescale buildup in your kettle or dealing with an unappetising film of scum on your morning cuppa? Tap water across all 2 postcode sectors in outcode WR13 (covering 377 homes) averages 155 PPM (10.9° Clark). Maintained and distributed by Severn Trent / Hafren Dyfrdwy, this places the district firmly into the moderately hard water bracket—approximately 22% softer than the UK national baseline (200 PPM).
Water hardness isn't identical across every street in WR13—there is a 10 PPM variance between neighborhoods. Residents in sector WR13 5 enjoy the softest water at 150 PPM, whereas taps in sector WR13 6 register the highest mineral load at 160 PPM. This localized disparity occurs because Severn Trent / Hafren Dyfrdwy blends supplies from different boreholes, rivers, and storage reservoirs depending on elevation and seasonal demand.
Supplies across WR13 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 155 PPM across all 377 local postcodes under strict Drinking Water Inspectorate (DWI) compliance.
Households across WR13's 377 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 WR13
Based on 155 PPM mineral saturation (Moderately Hard Water), operating heating appliances across WR13's 377 households carries distinct annual economic consequences:
Q: What is the average water hardness in outcode WR13?
Tap water across outcode WR13 averages 155 PPM (mg/L), which equals 10.9° Clark, 15.5°fH, or 8.7°dH. It is officially classified as moderately hard water water supplied by Severn Trent / Hafren Dyfrdwy.
Q: Is water in WR13 harder than the UK national average?
The UK baseline average is approximately 200 PPM. At 155 PPM, water in outcode WR13 is 22% softer than the national benchmark.
Q: What dishwasher salt setting is recommended for WR13?
For Bosch, Siemens, and Neff dishwashers in outcode WR13 (155 PPM), the recommended softener setting is H02 – H03.
Q: Who manages the municipal water supply in outcode WR13?
Public tap water infrastructure across all 2 sectors in outcode WR13 is distributed and monitored by Severn Trent / Hafren Dyfrdwy.
All Postcode Sectors in WR13
Select a postcode sector below to view exact water softener salt settings, limescale protection guides, and appliance recommendations.