Barrages/Weirs in West flowing rivers from Tadri to Kanyakumari Basin
| # | Name | Type | Purpose | River | Nearest City | District | State | Status | Completion Year | Length (m) | Height upto Crest (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ariyapuram Anicut | Anicut | Irrigation | Aliyar | Coimbatore | Tamil Nadu | Completed | ||||
| 2 | Aruvikarai Weir | Anicut | Irrigation | Tamiraparani | Kanniyakumari | Tamil Nadu | Completed | ||||
| 3 | Bhoothathankettu /Periyar Barrage | Barrage | Periyar | Kotamangalam | Ernakulam | Kerala | Completed | 1967 | 210.92 | 11.79 | |
| 4 | Bridge Cum Regulator At Thirthala | Barrage | Bharthapuzha | Ottappalam | Palakkad | Kerala | Completed | 2007 | 295 | 13 | |
| 5 | Bridge Cum Regulator at Chamravattam | Barrage | Bharatpuzha | Malappuram | Kerala | Completed | 978 | ||||
| 6 | Cheerakuzhi Weir | Weir | Gayathri | Thrissur | Kerala | Completed | |||||
| 7 | Cheramangalam Weir | Weir | Gayathri | Chittur | Palakkad | Kerala | Completed | 1951 | 115.98 | 2.89 | |
| 8 | Karaipatti Anicut | Anicut | Irrigation | Aliyar | Coimbatore | Tamil Nadu | Completed | ||||
| 9 | Kargal Anicut | Anicut | Sharavati | Sagar | Shimoga | Karnataka | 270 | ||||
| 10 | Kattery Weir | Weir | Nilgiris | Tamil Nadu | Completed | ||||||
| 11 | Kunnamkattupathy weir | Anicut | Chitturpuzha | Chittur | Palakkad | Kerala | Completed | ||||
| 12 | Maniyar Barrage | Barrage | Kakkad | Rani | Pathanamthitta | Kerala | Completed | 1993 | 115.22 | 16.76 | |
| 13 | Moolathara Weir | Weir | Chitturpuzha | Chittur | Palakkad | Kerala | Completed | 144.84 | |||
| 14 | Nurnee Anicut | Anicut | Chitturpuzha | Chittur | Palakkad | Kerala | Completed | ||||
| 15 | Ottakkal Barrage | Barrage | Kallada | Pattanapuram | Kollam | Kerala | Completed | 131.04 | |||
| 16 | Pallivalangal Anicut | Anicut | Irrigation | Aliyar | Coimbatore | Tamil Nadu | Completed | ||||
| 17 | Pazhassi (Kulur Barrage) | Barrage | Valapattamam | Talipparamba | Kannur | Kerala | Completed | 245 | 13.72 | ||
| 18 | Periyanai Anicut | Anicut | Irrigation | Aliyar | Coimbatore | Tamil Nadu | Completed | ||||
| 19 | RA Head Work | Barrage | Idukki | Kerala | Completed | ||||||
| 20 | Thenbaramadakku Anicut | Anicut | Chitturpuzha | Chittur | Palakkad | Kerala | Completed | ||||
| 21 | Thiraparrappu Weir | Weir | Kodayar | Kanniyakumari | Tamil Nadu | ||||||
| 22 | Thumburmuzhi /Chalakudy Diversion Weir | Weir | Chalakudy | Kunnatnad | Ernakulam | Kerala | Completed | 1966 | 185 | 4.66 | |
| 23 | Uppar Nirar Weir | Weir | Nirar | Pollachi | Coimbatore | Tamil Nadu | Completed | 1975 | |||
| 24 | Vadakallur Anicut | Anicut | Irrigation | Aliyar | Coimbatore | Tamil Nadu | Completed | ||||
| 25 | Vandal Weir | Weir | Tiruppur | Tamil Nadu | |||||||
| 26 | Varahi Weir | Weir | Varahi | Kundapura | Udupi | Karnataka | Completed | 147.2 | 22.5 | ||
| 27 | Varahi Pickup Weir 1 | Weir | Hydroelectric | Varahi | Udupi | Karnataka | Completed |
