| Auniati Beel | Majuli | Floodplain wetland of Majuli; important for aquatic and bird biodiversity |
| Bahuatava Beel | Barpeta | Important floodplain beel and fishery |
| Bardoloni | Dhemaji | Important floodplain wetland; included among nationally prioritized wetlands |
| Bhakatgaon Beel | Morigaon | Important floodplain wetland and fishery |
| Bheriki Wetland | Majuli | Floodplain wetland associated with the Majuli island ecosystem |
| Bhota Beel | Kamrup | Important freshwater wetland of the Brahmaputra floodplain |
| Boralimori Beel | Jorhat | Important floodplain wetland and bird habitat |
| Bordoibam–Bilmukh | Dhemaji & Lakhimpur | Important bird habitat; particularly associated with Whistling Teal |
| Borsola (Barsola) Beel | Kamrup Metropolitan | Important urban wetland of Guwahati and part of its natural drainage system |
| Chandakhola Beel | Dhubri | Important floodplain beel and fishery of Lower Assam |
| Chandubi Lake | Kamrup | Famous natural freshwater lake; associated with landscape changes during the 1897 Assam Earthquake |
| Chariani Beel | Majuli | Important floodplain wetland of Majuli |
| Chatla Haor | Cachar | One of the important haor wetlands of the Barak Valley |
| Chaumukha Beel | Kamrup | Important freshwater beel/fishery |
| Dandua (Dondua) Beel | Morigaon | Important floodplain wetland; Assam’s official wetland inventory records Dondua Bil in Morigaon. |
| Deepor (Deepar/Dipor) Beel | Kamrup Metropolitan | Ramsar Site; major bird habitat and natural storm-water reservoir of Guwahati |
| Deobali Beel | Nagaon | Important freshwater/floodplain wetland |
| Dheer (Dhir) Beel | Kokrajhar | Important floodplain wetland of Lower Assam; nationally prioritized wetland |
| Dighali Beel | Jorhat | Important floodplain wetland and bird habitat |
| Dinjan Gereki Beel | Tinsukia | Important Upper Assam wetland; nationally prioritized |
| Dholi Beel | Cachar | Important Barak Valley wetland and fishery |
| Goranga Bil | Morigaon | Official Assam wetland inventory records Goranga Bil in Morigaon district. |
| Jamjing–Sengajan Wetland | Dhemaji | Important Brahmaputra floodplain wetland complex and bird habitat |
| Khalihamari Wetland | Sonitpur | Wetland/locality associated with the Sonitpur floodplain; Khalihamari is recorded in Sonitpur district. |
| Koladuar Wetland | Sonitpur | Important wetland of north-bank Assam; listed among Assam’s important wetlands |
| Koyakujia Beel | Bongaigaon | Important natural wetland and tourist attraction |
| Kuji Beel | Morigaon | Important floodplain wetland; appears as Kuji Bil in the official Morigaon wetland inventory. |
| Maguri–Motapung Beel | Tinsukia | Famous wetland near Dibru-Saikhowa National Park; outstanding bird diversity |
| Mer Beel | Nagaon | Important freshwater wetland of Nagaon district |
| Nandani–Mer–Sonai Wetland Complex | Morigaon | Particularly important correction: the official inventory records Nandani/Mer/Sonai/Raumari/Dobarani/Patiabandha Bil in Morigaon district. |
| Phokolai Beel | Sivasagar | Part of the Pani-Dihing wetland landscape; important bird habitat. Phokolai and Dorou beels lie in the wetland complex north of Sivasagar town. |
| Rata Beel | Nagaon | Important freshwater/floodplain wetland listed among Assam’s notable wetlands |
| Raumari (Roumari) Beel | Morigaon | Official wetland inventory places Raumari Bil in Morigaon district. |
| Rowmari Beel | Darrang | Important freshwater wetland and beel fishery |
| Sagunpara Beel | Golaghat | Important wetland undergoing conservation/restoration under the Assam SWIFT Project; government tender explicitly identifies it as Golaghat district. |
| Samoguri Beel | Nagaon | Important floodplain wetland of central Assam |
| Sapekhati Wetland | Charaideo | Important wetland landscape around Sapekhati; Sapekhati is presently in Charaideo district (older records often place it under Sivasagar). |
| Sareswar Beel | Kokrajhar | Important bird and biodiversity wetland. Census records place East Atharokotharjhar No. 3 Sareswar Beel within the then Kokrajhar district. |
| Sarusola (Sorusola) Beel | Kamrup Metropolitan | Important urban wetland and storm-water reservoir of Guwahati |
| Sasoni Merbil | Dibrugarh | Important bird habitat and freshwater wetland near Naharkatia |
| Silsako Beel | Kamrup Metropolitan | Major urban wetland of Guwahati; important for natural drainage and flood moderation |
| Sohola Beel | Golaghat | Important floodplain wetland associated with the Kaziranga–Brahmaputra landscape |
| Son Beel | Sribhumi (formerly Karimganj) | One of Assam’s best-known seasonal wetlands; major Barak Valley fishery and agricultural landscape |
| Tamranga (Tamaranga) Beel | Bongaigaon | Important natural lake/wetland; known for migratory birds |
| Taralipather Wetland | Lakhimpur | Important floodplain wetland of north-bank Assam |
| Urpad Beel | Goalpara | Important Lower Assam floodplain wetland; well known for fish and bird diversity |
