what areas have gone to great lengths to prevent runoff from animal waste?

Answer 1

Are you asking about Australia only? Or are you looking for areas around the world?

Check this site.

http://www.informaction.org/cgi-bin/gPage.pl?menu=menua.txt&main=farmwaste_gen.txt&s=Farm%20Waste

Answer 2

sorry Australia only....

Answer 3

I couldn't find any websites that talk about specific Australian areas that have significantly reduced runoff from animal waste. However, you may find something in these sites.

http://www.google.com/search?hl=en&ie=ISO-8859-1&q=Australia+animal+waste+reduce+runoff