Maybe take a trip here and talk to the techs there?

http://www.fcgov.com/utilities/what-we-do/wastewater


www.hoosierpondpros.com


http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).