Year,1999,2000,2001,2002,2004,2005,2006,2007,2008,2010,2011,2012,2013,2014,2015,2016,2017
Percent Abundance,%,%,%,%,%,%,%,%,%,%,%,%,%,%,%,%,%
Chloroperlidae ,10.7,13.3,10.7,20.8,0.4,0.1,0.0,0.0,0.2,0.0,0.0,0.0,0.0,0.0,0.0,0.2,1.1
Perlidae,0.0,0.0,0.0,0.0,0.1,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
Leuctridae,0.0,0.0,0.0,0.0,0.0,0.0,1.3,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
Baetidae,3.0,21.8,6.0,0.9,0.0,0.0,0.0,0.0,0.0,0.1,4.3,0.0,1.6,0.0,6.5,13.3,4.0
Heptageniidae,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.2,0.1,0.1,0.4,0.0,0.0,0.1,0.0,0.0
Ephemerellidae,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,3.0,0.4,5.6,0.7,0.5,0.0,5.4,0.0,9.7
Limnephilidae,0.6,1.8,0.6,0.4,0.0,0.0,0.0,0.0,0.6,0.0,0.0,0.0,0.0,3.8,0.0,0.1,0.0
Dytiscidae,0.0,1.2,0.5,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
Empididae,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.1,0.0,0.0
Chironomidae,62.2,29.4,57.1,50.2,90.5,12.1,84.9,100.0,75.0,65.5,59.2,70.2,74.6,21.7,77.9,73.4,65.6
Ceratopogoniidae,2.2,4.0,1.7,0.2,1.3,0.0,0.3,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.2,1.8,7.5
Simuliidae,12.5,23.5,21.1,27.2,4.4,87.7,13.4,0.0,11.4,20.5,9.5,10.9,17.7,2.8,5.5,6.8,12.0
Hydrachnidae,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.8,0.0
Hydracarina,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.7,4.3,1.6,0.3,2.8,0.3,0.0,0.0
Gammaridae,0.0,1.2,0.5,0.3,0.3,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
Daphniidae,0.0,0.0,0.0,0.0,2.9,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0
Oligochaeta ,8.7,3.9,1.9,0.0,0.0,0.0,0.0,0.0,9.5,12.7,16.9,16.3,5.2,69.8,2.3,2.6,0.0