General characteristics
            
            | Location | 26 km south west of Bogotá | 
| Source | water from the Bogota river | 
| Área | 950 Ha | 
| Useful volume | 12,64 Hm3 | 
| Total Volume: | 25,80 Hm3 | 
| Location | Concentration ug/m3 | H2S at Exhibithion time of 1 hour | H2S at Exhibithion time of 24 hours | 
| ug/m3 | Limit (30 ug/m3) (ug/m3) | Limit (7 ug/m3) (ug/m3) | |
| Reservoir discharge | 3,1 | 19,6 | 8,0 | 
| Alicachín Floodgates | 8,4 | 52,5 | 21,6 | 
| Pollutant | Maximum permissible levels (ug/m3) | Exhibithion time | 
| Hydrogen sulfide H2S | 30 | 1 hour | 
| 7 | 24 hours |