| 8.2008 | feasible evaluation of “Planning of the Estuary of Touqian River” |
| 11.2008 | 1st reviewing meeting of “Planning of the Estuary of Touqian River” |
| 2.2009 | 1st illustration meeting conducted by the 2nd River Management Office |
| 5.2009 | First stage of approval of “Planning of the Estuary of Touqian River” |
| 7.2009 | 2nd illustration meeting conducted by the 2nd River Management Office |
| 9.2009 | Final Approval of “Planning of the Estuary of Touqian River” directed by the water resources advisory committee |