| Variate | Unit | Method |
| Temperature | ˚C | WTW mod. OXI 196 |
| Dissolved Oxygen | mg/L | WTW mod. OXI196 |
| % OD Saturation | % | WTW mod. OXI196 |
| pH | Units | Potentiometer WTW mod. 196 |
| Conductivity | µS/cm | WTW mod. LF 191 |
| Transparence | M | Secchi disk |
| Total alkalinity | mg/L | Titration method (APHA, 1992). |
| Nitrate | mg/L | APHA (1992). |
| Nitrite | Mg/L | APHA (1992) |
| Ammoniacal nitrogen | Mg/L | Spectrophotometry (detection limit <0.02 mg∙L−1 de N (APHA, 1992). |
| Total nitrogen Kjeldahl (TKN) | Mg/L | Phenate method (APHA, 1992). |
| Turbidity | NTU | Turbidimeter HACH, model 2100 A (APHA, 1985). |
| DQO | Mg/L | APHA (1992) |
| DBO | Mg/L | APHA (1992)). |
| Total phosphorous | Mg/L | Ascorbic Acid Method (APHA (1992)). |
| Suspended solids | Mg/L | APHA (1992) |
| Chlorophyll-a | mg/m3 | Spectrophotometry DMS 100, wavelengths 750 nm and 665 nm, according to the NUSCH (1980) method. |
| Phytoplankton | Cell/mL | UTERMÖHL (1958) sedimentation method |
| Zooplankton | Organisms/mL | Rothiphera: Sedgwick-Rafter cells counts CladoceraandCopepoda: Bogorovcamera |