IE calculator Fill in your wastewater flow in m3/day: m3/day Fill in the COD of your wastewater flow in g/m3: g/m3 Fill in the amount of nitrogen in your wastewater according to Kjeldahl in g N/m3: g N/m3 The Inhabitant Equivalent (I.E.) of your wastewater is: For the disposal of wastewater a yearly levy per I.E. has to be paid: this levy varies from approximately € 60,- to € 120,- per I.E. per year. Fill in the levy you have to pay per I.E. per year: € The yearly levy you have to pay is: € More Calculators Request a quote Phone: +31 152 610 900 info@lenntech.com Request a quote More from 'Calculators' Length Unit ConverterSurface CalculatorVolume Unit Conversion CalculatorMass Weight ConversionTemperature Unit ConversionPressure Conversion Program and ideal gas lawProcess Flow CalculationVolume Flow Unit ProgramDynamic Viscosity ProgramKinematic Viscosity CalculatorPrefixesConductivity ConverterParts Per Million (ppm) ConverterCollecting RainEnergy to Heat WaterTDS CalculatorWind Chill CalculatorRelative HumidityHardness Converter and Hardness CalculatorMolecular Weight CalculatorDesign Characteristics for a Municipal Wastewater Treatment Plant CalculationRyznar Stability indexLangelier index calculatorAccuracy water analysis calculationIonic strength and activity coeficientOsmotic pressure calculatorIon exchange calculatorevaporation of water (lake en pan evaporation)Multimedia (sand) FiltrationSeawater Reverse Osmosis Cost Analysis