Wasserhärte in Duisburg

Technische Wasserspezifikationen

Nach aktuellen Wasserqualitätsdaten von Stadtwerke Duisburg beträgt die gemessene Wasserhärte in Duisburg 169 mg/L (ca. 9.5 °dH), was nach europäischen hydrochemischen Richtlinien offiziell als Hart eingestuft wird.

9.46°dH
Hart
Basiseinheit (CaCO3): 169 mg/LDeutsche Härte

Geologische & Infrastrukturanalyse

  • Perzentil-Ranking: Duisburg ranks in the top 33% of measured municipalities nationally for mineral density.
  • Geologischer Faktor: The local municipal supply (managed by Stadtwerke Duisburg) yields a base hardness of 169 mg/L. Seasonal fluctuations average 3%.
  • Infrastruktur-Hinweis: Given the infrastructure age typical of urban centers of this size, localized pipe scaling may compound these base metrics at the tap.
Daten zuletzt verifiziert: März 2026Primärquelle:Stadtwerke Duisburg| Überprüft von AquaScale Data Team

Duisburg Water Quality Zone

Street map showing the municipal water hardness monitoring zone for Duisburg

Monitoring Zone

Duisburg Municipality

169 mg/L CaCO3

Powered by Geoapify | Map data © OpenStreetMap contributors

Regionale Abweichungsanalyse

Hardness Comparison: Local vs. National

Duisburg169 mg/L
north rhine-westphalia (Region Avg)160 mg/L
germany (National Avg)161 mg/L

*Data aggregated from 5 municipalities in the region and 15 nationwide.

*Note: Duisburg diverges from the regional median by 9 mg/L, indicating a distinct local aquifer or treatment protocol.

Infrastructure Action Plan for Duisburg

Diagnostic recommendations based on local data

ProfilePriorityRecommended Action
Tenant / RenterHigh

Install point-of-use filtration (Shower/Kitchen)

Est. €40-60/yr in descaling agents

Property OwnerRecommended

Install salt-free conditioner or ion exchange

System: Single-tank softener system

Commercial / HospitalityModerate scaling risk

Commercial Calcium Treatment Unit (CTU) mandatory for equipment warranties

Quellursprung & Haushaltseffizienz

Where Does Duisburg's Water Come From?

Source & Treatment

Primary Source: Mixed

Treatment Method: Standard coagulation, filtration, and chlorination

EU Regulatory Compliance

Fully compliant with EU Drinking Water Directive (2020/2184)

Reference: European Environment Agency (EEA) & EU Drinking Water Directive.

Data Transparency: How We Calculate Hardness

The hardness data presented for Duisburg is aggregated from local municipal water reports, user-submitted tests, and regional hydro-geological surveys. Because water hardness fluctuates seasonally based on rainfall and reservoir levels, our displayed mg/L is an annualized average estimate.

  • Update Frequency: Bi-annually
  • Measurement Standard: Milligrams per liter (mg/L) equivalent to ppm.

Notice an inaccuracy? Water supply routing can change. Submit a local water report correction here.

Household Soap & Detergent Efficiency

For the 498,000 residents in the greater Duisburg metropolitan area, water is typically sourced and treated by large-scale facilities like Stadtwerke Duisburg. Because the water contains 169 mg/L of dissolved minerals, it physically alters soap efficiency. Households will notice reduced lathering and may find a harmless but frustrating mineral film left on bathroom surfaces and fabrics. In dense urban grids like Duisburg, compounding pipe scaling means you may need significantly more detergent and specialized rinse aids to overcome the base 169 mg/L resistance.

Informational Notice: The above data relates strictly to the physical and chemical interaction between mineralized water and standard household cleaning agents. It is aggregated from public municipal water quality reports and is provided for educational comparison only.

Historische Mineralvarianz

Thermodynamische Geräteauswirkungen

Appliance Wear Predictor

Estimated impact of 169 mg/L on household tech.

German9.5 °dH
French16.9 °fH

Combi Boiler

Estimated operational lifespan before critical heat exchanger failure.

12.6Years

Dishwasher Element

Risk of limescale burning out the internal water heating element.

High Risk

Kettle & Coffee Maker

Required frequency of citric acid descaling to maintain water flow.

Every2Weeks

Kommerzielle Behandlung & ROI-Analyse

Looking for water softening solutions? View our separate financial breakdown for Duisburg, including projected return on investment, running costs, and local product recommendations based on postal codes.

Finanzanalyse anzeigen

Community Tap Reports

Real-time water quality observations from Duisburg residents.