Table 5.
Correlation analysis between Giardia and Cryptosporidium with physical, chemical and biological parameters.
| Parameter | Giardia | Cryptosporidium |
|---|---|---|
| Physical | ||
| Temperature, °C | 0.133 | 0.193 |
| Conductivity, ms/cm | −0.158 | 0.033 |
| Total dissolved solids (g/L) | −0.083 | 0.088 |
| SAL (ppt) | −0.283 | −0.138 |
| Dissolved oxygen (%) | −0.36 | −0.117 |
| pH | 0.232 | 0.111 |
| ORP (mv) | −0.288 | 0.056 |
| Turbidity (NTU) | 0.333 | 0.36 |
| Chemical | ||
| Ammonia (NH3, mg/L) | −0.052 | 0.169 |
| Chlorine (Cl2, mg/L) | −0.225 | −0.351 |
| Nitrate (NO3⁻, mg/L) | −0.105 | −0.115 |
| Nitrite (NO2⁻, mg/L) | −0.197 | 0.015 |
| Fluoride (F⁻, mg/L) | 0.611 ** | 0.478 * |
| Biological | ||
| Fecal coliforms (CFU/100 mL) | 0.855 ** | 0.536 * |
* Correlation is significant at the 0.05 level. ** Correlation is significant at the 0.01 level.