Great Class! NC State Stormwater Group - Retrofit Class
I attended this class on Thursday in Raleigh and thought that the material covered by the NC State Stormwater Group was great. They covered multiple pond retrofit examples (a few of Dragonfly's very own, I must add!!) and covered the reasons why retrofits can be a great solutions to many BMPs/ retention ponds that are not functioning properly.
IF you haven't already, sign up now!
http://www.bae.ncsu.edu/stormwater/training/bmp_retrofit.html