Gray’s Creek Watershed includes Calvert Cliffs State Park and stretches down towards the bottom of the county. The watershed is 4,503 acres and includes almost 7 miles of streams!
2018 Calvert Stream Survey
| Collection Site | Date | Teacher | School | Score | Qual Rating | 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 |
| Calvert Cliffs | 12/6/2018 | Dembrow | SMS | 8 | Poor | x | x | x | x | 4 | ||||||||||||||||||||
| Calvert Cliffs | 12/6/2018 | Lachenauer | SMS | 8 | Poor | x | x | x | x | x | 5 |
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