| From Market Deeping past Spalding its course across the drained Fens has been embanked. |
| This is another small river, embanked for all of its length, with a depth of up to 5 feet. |
| It is navigable up to Rendsburg and is embanked through the marshes along its lower course. |
| It is a sluggish stream, now embanked throughout its course below Lincoln, and locally straightened for drainage in its upper course. |
| The Maigue is tidal as far as Adare, and is embanked along most of its distance. |
| Its entire length has been embanked with dikes, and the course itself often has been altered. |
