Can you provide me with an example of a management and sustainment plan for freshwater pollution. Thank You!

These sites should give you some good ideas.

http://www.unep.or.jp/ietc/Publications/techpublications/TechPub-11/8a.asp

http://www.environment.gov.za/enviro-info/sote/citysoe/johannes/virtual/csoe/csoe/html/NonJava%20Site/Pollution/Water/Response.htm

http://www.nativefish.asn.au/fwpolicy.html