Slide 7 of 36
Notes:
Retrofits come is many shapes and sizes from large regional retention ponds that provide a variety of controls to small on-site facilities providing only water quality treatment for smaller storms. Usually at least some kind of practice can be installed in almost any situation. But fiscal restraints, pollutant removal capability, and watershed capture area must all be carefully weighed in any retrofit selection criteria. Some common goals of retrofitting are presented above.