Total Dissolved Solids (TDS)

EC (µS/cm):

Or major ions (mg/L):

Ca²⁺: Mg²⁺: Na⁺: K⁺: HCO₃⁻: SO₄²⁻: Cl⁻: NO₃⁻:

Water Hardness

Ca (mg/L): Mg (mg/L):

Water Quality Index (WQI)

pH: TDS (mg/L): Hardness (mg/L CaCO₃): Alkalinity (mg/L CaCO₃): Cl⁻ (mg/L): SO₄²⁻ (mg/L): NO₃⁻ (mg/L): DO (mg/L): BOD (mg/L):

Langelier Saturation Index (LSI)

pH: Temp: Unit: TDS (mg/L): Ca Hardness (mg/L CaCO₃): Alkalinity (mg/L CaCO₃):

Puckorius Scaling Index (PSI)

pH: Temp: Unit: TDS (mg/L): Ca Hardness (mg/L CaCO₃): Alkalinity (mg/L CaCO₃):

Larson-Skold Corrosion Index (LSCI)

Chloride (Cl⁻, mg/L): Sulfate (SO₄²⁻, mg/L): Alkalinity (mg/L as CaCO₃):

Ionic Mass Balance (IMB)

Enter major ions (mg/L):

Ca²⁺: Mg²⁺: Na⁺: K⁺: HCO₃⁻: SO₄²⁻: Cl⁻: NO₃⁻:

Combined Calculations

pH: Temp: Unit: EC (µS/cm): Ca (mg/L): Mg (mg/L): Na (mg/L): K (mg/L): HCO₃ (mg/L): SO₄ (mg/L): Cl (mg/L): NO₃ (mg/L): Alkalinity (mg/L CaCO₃): DO (mg/L): BOD (mg/L):