| Environmental impact assessments before construction |
| Monitoring of impact during construction |
| Follow-up analyses after construction to optimise cost-efficiency |
| Studies in the drainage area and upstream reach |
| Studies in the reservoir and of its bottom |
| Studies in the downstream reach all the way to the sea |
| Problems of sediment routing, flushing, and siltation |
| Problems of floating peat islands in reservoirs |
| Problems downstream caused by sediment trapping in the reservoir |
| Size of project from very small to very large |
| Location of project on any continent or climate zone |
| Any reservoir purpose, including hydropower, irrigation, flood prevention, drinking water, multi purpose |
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