Lyon’s Creek Watershed

The Lyon’s Creek Watershed is actually shared by both Calvert County and Anne Arundel County! 2,011 acres of the watershed reside in Calvert County while the rest is in Anne Arundel County.

2018 Calvert Stream Survey

Collection SiteDateTeacherSchoolQual RatingScoreCaddisflies (except net spinners)MayfliesStonefliesWater Snipe FliesRiffle BeetlesWater PenniesGilled SnailsDobsonflies (Hellgrammites)FishfliesCrane FliesDamselfliesDragonfliesAlderfliesCommon net spinning CaddisfliesCrayfishScudsAquatic sowbugsClamsMusselsAquatic WormsBlack FliesMidge FliesLeechesLunged Snails# of species found
Cedarwood Lane Site11/19/2018MegonigalNMSFair15xxxxxxxx8
Cedarwood Lane Site11/19/2018MegonigalNMSGood21xxxxxxxxxxx11
Cedarwood Lane Site11/20/2018SkiadosNMSGood17xxxxxxxx8
Cedarwood Lane Site11/20/2018SkiadosNMSGood20xxxxxxxxxx10
Cedarwood Lane Site11/26/2018MegonigalNMSFair16xxxxxxxx8
Cedarwood Lane Site11/26/2018MegonigalNMSFair13xxxxxx6
Cedarwood Lane Site11/27/2018SkiadosNMSGood18xxxxxxxx8
Cedarwood Lane Site11/30/2018LeggeWHMSFair13xxxxxxx7
Cedarwood Lane Site11/30/2018LeggeWHMSFair15xxxxxxxx8
Cedarwood Lane Site11/30/2018LeggeWHMSGood20xxxxxxxxxx10
Cedarwood Lane Site12/3/2018MinnichWHMSGood19xxxxxxxx8
Cedarwood Lane Site12/3/2018MinnichWHMSFair13xxxxxxx7
Cedarwood Lane Site12/3/2018MinnichWHMSFair13xxxxxxx7

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
Cedarwood Lane Site12/2/2020PriceNMS12Fairxxxxx5
Cedarwood Lane Site12/2/2020PriceNMS17Goodxxxxxxx8
Cedarwood Lane Site12/2/2020PriceNMS17Goodxxxxxxx8
Cedarwood Lane Site12/3/2020PriceNMS13Fairxxxxxx6
Cedarwood Lane Site12/3/2020PriceNMS17Goodxxxxxxx6
Cedarwood Lane Site12/8/2020SkiadosNMS10Poorxxxxxx6
Cedarwood Lane Site12/8/2020SkiadosNMS9Poorxxxxx5

2021 Calvert Stream Survey

Collection SiteDateTeacherSchoolScoreQual RatingCaddisflies (except net spinners)MayfliesStonefliesRiffle BeetlesGilled SnailsDobsonflies (Hellgrammites)ScudsCrane FliesDamselfliesDragonfliesCrayfishAquatic sowbugsCommon net spinning CaddisfliesAquatic WormsBlack FliesMidge FliesLunged SnailsLeechesRat-Tailed Maggot# of species found
Lyon’s Creek11/29/2021PriceNMS5Poorxx2
Lyon’s Creek11/29/2021PriceNMS9Poorxxxx4
Lyon’s Creek11/29/2021PriceNMS10Poorxxxx4
Lyon’s Creek11/30/2021SkiadosNMS5Poorxx2
Lyon’s Creek11/30/2021SkiadosNMS3Poorxx2
Lyon’s Creek11/30/2021SkiadosNMS3Poorxx2
Lyon’s Creek12/2/2021PriceNMS8Poorxxx3
Lyon’s Creek12/2/2021SkiadosNMS11Fairxxxxxx6

2022 Calvert Stream Survey

Collection SiteDateTeacherSchoolScoreQual RatingCaddisflies (except net spinners)MayfliesStonefliesRiffle BeetlesGilled SnailsDobsonflies (Hellgrammites)ScudsCrane FliesDamselfliesDragonfliesCrayfishAquatic sowbugsCommon net spinning CaddisfliesAquatic WormsBlack FliesMidge FliesLunged SnailsLeechesRat-Tailed Maggot# of species found
Lyon’s Creek11/29/2022PriceNMS14Fairxxxxxxx7Salamander
Lyon’s Creek11/29/2022PriceNMS10Poorxxxxx5
Lyon’s Creek11/30/2022PriceNMS24Excellentxxxxxxxxxxxx12
Lyon’s Creek11/30/2022SkiadosNMS17Goodxxxxxxxxx9
Lyon’s Creek12/1/2022SkiadosNMS19Goodxxxxxxxxx9Black Nosed Dace
Lyon’s Creek12/1/2022SkiadosNMS16Fairxxxxxxx7