Variable | Mean obtained | ZDWS Standards | WHO Standards |
pH | 7.270 | 6.5 - 8.0 | 6.5 - 9.5 |
TDS | 467.400 | 500 | 600 |
Phosphates | 2.870 | 5 | 5 |
Nitrates | 0.410 | 10 | 50 |
Copper | 2.734 | 1 | 2 |
Zinc | 0.177 | 5 | 3 |