The Hall Creek Watershed stretches from Dunkirk down to just north of Northern Middle School, as well as going as far west as Windy Hill Middle School. The watershed is 10,445 acres and covers much of the northern part of the county.
2019 Calvert Stream Survey
Collection Site Date Teacher School Class Period Score Qual Rating # of Bags Caddisflies (except net spinners) Mayflies Stoneflies Water Snipe Flies Riffle Beetles Water Pennies Gilled Snails Dobsonflies (Hellgrammites) Fishflies Crane Flies Damselflies Dragonflies Alderflies Common net spinning Caddisflies Crayfish Scuds Aquatic sowbugs Clams Mussels Aquatic Worms Black Flies Midge Flies Leeches Lunged Snails # of species found Ward Road 11/19/2019 Price NMS 1 13 Fair 4 x x x x x x 6 Ward Road 11/19/2019 Price NMS 2 9 Poor 4 x x x x x 5 Ward Road 11/19/2019 Price NMS 5 10 Poor 4 x x x x x 5 Ward Road 11/20/2019 Skiados NMS 1 4 Poor 4 x x x 4 Ward Road 11/20/2019 Price NMS 3 12 Fair 4 X X X X x x 6 Ward Road 11/20/2019 Price NMS 4 20 Good 4 x x x x x x x x x x 10 Ward Road 11/21/2019 Skiados NMS 2 13 Fair 4 x x x x x x x 7 Ward Road 11/21/2019 Skiados NMS 3 9 Poor 4 x x x x x 5 Ward Road 11/21/2019 Skiados NMS 4 9 Poor 4 x x x x x 5
2020 Calvert Stream Survey
Collection Site Date Teacher School Score Qual Rating Caddisflies (except net spinners) Mayflies Stoneflies Riffle Beetles Gilled Snails Dobsonflies (Hellgrammites) Crane Flies Damselflies Dragonflies Common net spinning Caddisflies Crayfish Scuds Aquatic sowbugs Aquatic Worms Black Flies Midge Flies Leeches Lunged Snails # of species found Cortland Lane 12/7/2020 Skiados NMS 12 Fair x x x x x x x 7 Cortland Lane 12/7/2020 Skiados NMS 12 Fair x x x x x x x 7 Cortland Lane 12/7/2020 Skiados NMS 11 Fair x x x x x x 6
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