The presentation from the 7/21 seminar is online at
http://www.winnipesaukee.org/wp-cont...ty-7-21-18.pdf
You can also see the water quality measurements at
http://winnipesaukeegateway.org/moni...ing-sites-map/
As a water tester for 7 years, my opinion is that the water quality is improving. Some of that is due to dry weather, but I think public education and shoreline protection laws are slowly having an impact.