Table 2 Standards according to WHO protocols and observed ranges and averages.
From: Groundwater contamination modelling in Ayad River Basin, Udaipur
S. no | Water quality parameters | WHO93 | Average data (2011–2022) | |||
|---|---|---|---|---|---|---|
Desirable limit | Permissible limit | Min | Max | Ave | ||
1 | Nitrate (NO3−) mg/L | – | 50 | 0.01 | 650.03 | 57.14 |
2 | Fluoride (F−) mg/L | 0.6 | 4 | 0.01 | 4.13 | 0.58 |
3 | Total dissolved solids (TDS) mg/L | 500 | 1000 | 331.50 | 4270.50 | 1082.06 |
