| Edinburg North Main Canal | Hidalgo, TX | 61.1 miles | SE |
| Santa Cruz Canal | Hidalgo, TX | 64 miles | SE |
| Edinburg Main Canal | Hidalgo, TX | 65 miles | SE |
| Mission Main Canal | Hidalgo, TX | 65 miles | SE |
| Edinburg East Main Canal | Hidalgo, TX | 65.7 miles | SE |
| Mission Inlet | Hidalgo, TX | 67.2 miles | SE |
| Salt Lake Drain | Willacy, TX | 67.4 miles | SE |
| Main Branch Northeast Canal | Willacy, TX | 69.3 miles | SE |
| West Main Drain | Willacy, TX | 69.6 miles | SE |
| Main Supply Canal | Hidalgo, TX | 71 miles | SE |
| Donna Drain | Hidalgo, TX | 71.3 miles | SE |
| McAllen Main Canal | Hidalgo, TX | 71.5 miles | SE |
| Hackney Lake Inlet | Hidalgo, TX | 72.6 miles | SE |
| Pharr San Juan Main Canal | Hidalgo, TX | 73.6 miles | SE |
| Louisiana-Rio Grande Canal Company Irrigation System | Hidalgo, TX | 74.7 miles | SE |
| Donna Main Canal | Hidalgo, TX | 79.9 miles | SE |
| Willacy Canal | Cameron, TX | 80.7 miles | SE |
| East Main Drain | Willacy, TX | 81.2 miles | SE |
| Pilot Channel | Cameron, TX | 83.9 miles | SE |
| Orange Grove Canal | Cameron, TX | 86.3 miles | SE |
| Wilson Canal | Cameron, TX | 86.3 miles | SE |
| Evans Canal | Cameron, TX | 88.2 miles | SE |
| Number Seven Canal | Cameron, TX | 88.2 miles | SE |
| Number Twentysix Canal | Cameron, TX | 88.9 miles | SE |
| Santa Maria Main Canal | Cameron, TX | 89 miles | SE |
| Number One Canal | Cameron, TX | 89.2 miles | SE |
| La Feria Main Canal | Cameron, TX | 89.7 miles | SE |
| Number Two Canal | Cameron, TX | 90.1 miles | SE |
| La Gloria Main Canal | Cameron, TX | 90.7 miles | SE |
| Lewis Main Canal | Cameron, TX | 90.7 miles | SE |
| Adams Gardens Main Canal | Cameron, TX | 90.8 miles | SE |
| Number Three Canal | Cameron, TX | 91.4 miles | SE |
| Number Four Canal | Cameron, TX | 92.3 miles | SE |
| Harlingen Main Canal | Cameron, TX | 92.3 miles | SE |
| Number Five Canal | Cameron, TX | 92.9 miles | SE |
| Number Six Canal | Cameron, TX | 92.9 miles | SE |
| Line V Canal | Cameron, TX | 93.5 miles | SE |
| Lateral U Canal | Cameron, TX | 94.4 miles | SE |
| Lateral T Canal | Cameron, TX | 94.5 miles | SE |
| Lateral R Canal | Cameron, TX | 95.4 miles | SE |
| San Vicente Drainage Ditch | Cameron, TX | 96.1 miles | SE |
| Industrial Canal | Nueces, TX | 98.4 miles | NE |
| Rancho Viejo Floodway | Cameron, TX | 104.8 miles | SE |
| Main Supply Canal | Cameron, TX | 105.9 miles | SE |
| Olmito Branch | Cameron, TX | 107.2 miles | SE |
| Ditch Number Three | Cameron, TX | 108.4 miles | SE |
| Taft Drainage Ditch | San Patricio, TX | 109.1 miles | NE |
| Los Fresnos Canal | Cameron, TX | 109.1 miles | SE |
| Main Ditch Number Two | Cameron, TX | 109.1 miles | SE |
| Jewell Fulton Canal | Nueces, TX | 109.6 miles | NE |
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