At the IPM Training for Professional Landscapers meeting held in San Diego a couple of weeks ago, one of the speakers (from Blankinship and Asso.) gave a nice presentation about the permitting process needed when applying herbicides near or in waters. The NPDES permit has some upcoming changes so this presentation points out some of those changes as well.
If you, your company, or your agency is applying pesticides in those situations, it would good for you to review this presentation:
Most of the information starts at page 6.
Also see information from the State Water Resources Board:
For information about aquatic weed identification see http://ipm.ucanr.edu/PMG/weeds_multi.html#AQUATIC
Management: Aquatic Pest Control Pesticide Application Compendium Published 2001 UC ANR Publication 3337
There is also an Aquatic Weed School in Davis in September. For more information see: