St. Leonard Creek Watershed

The St. Leonard Creek Watershed is the second largest in Calvert County, with only Hunting Creek Watershed being larger. St. Leonard Creek Watershed is 18,973 acres and stretches from Port Republic all the way to the Appeal Landfill.

2018 Calvert Stream Survey

Collection SiteDateTeacherSchoolScoreQual RatingCaddisflies (except net spinners)MayfliesStonefliesWater Snipe FliesRiffle BeetlesWater PenniesGilled SnailsDobsonflies (Hellgrammites)FishfliesCrane FliesDamselfliesDragonfliesAlderfliesCommon net spinning CaddisfliesCrayfishScudsAquatic sowbugsClamsMusselsAquatic WormsBlack FliesMidge FliesLeechesLunged Snails# of species found
Flag Pond12/4/2018DembrowSMS13Fairxxxxx5
Flag Pond12/4/2018DembrowSMS14Fairxxxxxx6
Flag Pond12/11/2018GallihughMCMS18Goodxxxxxxxxx9
Flag Pond12/11/2018GallihughMCMS18Goodxxxxxxxx9
Flag Pond12/11/2018GallihughMCMS16Fairxxxxxxxx8

2019 Calvert Stream Survey

Collection SiteDateTeacherSchoolClass PeriodScoreQual Rating# of BagsCaddisflies (except net spinners)MayfliesStonefliesWater Snipe FliesRiffle BeetlesWater PenniesGilled SnailsDobsonflies (Hellgrammites)FishfliesCrane FliesDamselfliesDragonfliesAlderfliesCommon net spinning CaddisfliesCrayfishScudsAquatic sowbugsClamsMusselsAquatic WormsBlack FliesMidge FliesLeechesLunged Snails# of species found
Flag Pond11/15/2019GallihughMCMS1A8Poor4xxxx4
Flag Pond11/15/2019GallihughMCMS2A15Fair4xxxxxxx7
Flag Pond11/15/2019GallihughMCMS3A11Fair4xxxxx5
Flag Pond11/18/2019GallihughMCMS1B11Fair4xxxxx5
Flag Pond11/18/2019GallihughMCMS2B9Poor4xxxxx5
Flag Pond11/18/2019GallihughMCMS3B5Poor4xx2

2020 Calvert Stream Survey

Collection SiteDateTeacherSchoolScoreQual RatingCaddisflies (except net spinners)MayfliesStonefliesRiffle BeetlesGilled SnailsDobsonflies (Hellgrammites)Crane FliesDamselfliesDragonfliesCommon net spinning CaddisfliesCrayfishScudsAquatic sowbugsAquatic WormsBlack FliesMidge FliesLeechesLunged Snails# of species found
Flag Ponds12/9/2020GallihughMCMS13Fairxxxxxx6
Flag Ponds12/9/2020GallihughMCMS14Fairxxxxxx6
Flag Ponds12/9/2020GallihughMCMS14Fairxxxxxx6
Flag Ponds12/9/2020GallihughMCMS12Fairxxxxx5
Flag Ponds12/10/2020GallihughMCMS14Fairxxxxxx6
Flag Ponds12/10/2020GallihughMCMS16Fairxxxxxxx7
Flag Ponds1/21/2021SisonCCS8Poorxxxx4