Table 10 Comparison of indices for the evaluation of environmental conditions or quality.

GWQI, México

pH, TDS, Hardness, Na⁺, Cl^-, SO₄^2-

NO₃^-

⁷⁵

WQI, México

T°C, pH, DO, BOD, TSS

NO₃^-, PO₄^3-

Fecal coliforms

⁷⁶

GWQI, Eastern India

pH, TDS, Turb, Color, Hardness, Alk, F-

NO₃^-, NO₂^-, PO₄^3-

Thermo-tolerant coliforms, Non-thermo-tolerant coliforms

Al, Mg, Ni, Cu, Zn, As, Cd, Pb

⁷⁷

WQI, South India

pH, EC, TDS, TH, Ca²⁺, Mg²⁺,Na⁺, K⁺, Cl⁻, SO₄^2-, HCO₃^-,

NO₃^-

⁷⁸

GWQI, Malaysia

pH, T°C, TDS, TS, Turb, EC, Sal, DO, BOD, COD, Na⁺, Mg²⁺, Cl^-, Ca²⁺, K⁺, HCO₃^-, S^-

NH₄⁺, PO₄^3-, TP, NO₂^-, NO₃^-, SiO₂, SO₄^2-

Al, Mn, Fe, Cu, Zn, As, Sr, Cd, Ba

⁷⁹

WQI, Ireland

Sal, T°C, pH, Tran, DO, BOD, chlorophyll a

AMN, DIN, TON, MRP

⁸⁰

PVCL, India

TMV, PMMoV, JCPyVs, and BKPyVs

WQI – MCI, India

pH, T°C, EC, Sal, Hardness, DO, COD, TSS, TS, Na⁺, Mg²⁺, Cl^-, Ca²⁺, K⁺, HCO₃^-, F^-

NH₄⁺, NO₃^-, PO₄^3-, SO₄^2-

Benthic macro-invertebrates

⁷⁴

S-CSI

DO, chlorophyll a

NH₄⁺, NO₂^-, NO₃^-, PO₄^3-

Fecal coliforms and Escherichia coli. Somatic coliphages, F + specific coliphages, PMMoV

Al, Mn, Fe, Cu, Zn, Cd

Microplastics

Zooplankton and Fish

This study