Thats all good advice with things that will be helpful and save $$ I live not to far from you and have been constructing ponds a long time as far as I can see you may need someway to channel your runoff water into a holding pond before you let it enter your pond with the no til farming that is the norm in our area it is best to make sure that you dont get chemicals as well as bean and corn stubble in the pond alot of the debree has leftover chemicals in and on them a sediment pond will help if the water is chaneled through it as well as growwing a green layer around your pond. Good luck and keep on reading this site Doc

Doc