We are in the process of gathering the correct charts and diagrams useful for drainage in the watershed area and will post them as they are available.
To estimate the capacity of tile drainage systems, a Prinsco Drainage Calculator can be used.
Click on this link to calculate by acreage.
Click on this link to calculate by pipe size.
Click on this link to access a Pipe Flow Chart.
For the Plastic Tubing Drainage Chart, Click Here.
For the Concrete Tile Drainage Chart, Click Here.