The Bilash is one of the rivers the River and Delta Research Centre names as dead or drying up (2025): heavily silted, and fully or partly dry in the lean season.
- Name
- Bilash · বিলাস
- Status
- Dead or drying
- Length
- 30 km (official river list, 2025)
- On the map
- Located (upazila)
What the record says (2)
At least 79 of the 1,156 government-listed rivers have dried up or are drying up (RDRC study 'Dried Up Rivers of Bangladesh', 2025).
Source: The Daily Star, 20 Mar 2025
Most of these rivers are heavily silted and dry up in the lean season, mainly because water is diverted upstream; parts of some have vanished under encroachment.
Source: The Daily Star, 20 Mar 2025