I. In the drainage zone, the following behaviors are forbidden:1. blocking the drainage way;2. damaging or altering the drainage facilities;3. operating, removing or damaging the watergate and other accessories;4. dumping waste soil or debris;5. raising domestic animals or any other farming activities; 6. other actions that may hinder drainage.II. In the drainage zone, permit is needed for the following behaviors: 1. constructing, rebuilding, repairing or dismantling constructions; 2. draining waste water; 3. excavating or dumping sediment; 4. planting; 5. excavating, filling or altering the drainage geometry for any purpose;III. Infringers are subject to accusation according to the laws. Water Resources Agency, Ministry of Economic Affairs The (ordinal number) River Management Office, WRA, MOEA. Tel: