Results of the Post 2021 Method

Stream Information
Site Id GCD-11
Name Black River at Blackjack Bridge
County Gogebic
Description Site is directly upstream from Blackjack Rd bridge crossing. Boulder and cobble substrate. Swift current. Rocks very slippery here.
Latitude 46.505024
Longitude -89.996208

Macro Family Entry Information
Date 2025-05-08
Collection Time Start 11:00:00.00
Avg Water Depth(ft) --
Weather conditions from last week Rainy, Cold
Site Condition Issues None
Habitat Riffles presence
Habitat Rocks presence
Habitat Aquatic Plants absence
Habitat Runs presence
Habitat Backwater absence
Habitat Leaf Packs absence
Habitat Pools absence
Habitat Undercut-Vegetation absence
Habitat Wood absence
Collection Finish Time 11:30:00.00
ID Confidence 5
Hirudinea --
Oligochaeta 2
Curculionidae --
Dryopidae --
Dytiscidae --
Elmidae --
Gyrinidae --
Haliplidae --
Hydrophilidae --
Lampyridae --
Noteridae --
Psephenidae --
Ptilodactylidae --
Scirtidae --
Staphylinidae --
Athericidae --
Blephariceridae --
Ceratopogonidae --
Chaoboridae --
Chironomidae 1
Culicidae --
Dixidae --
Dolichopodidae --
Empididae --
Ephydridae --
Muscidae --
Psychodidae --
Ptychopteridae --
Sciomyzidae --
Simuliidae 1
Stratiomyidae --
Syrphidae --
Tabanidae --
Tipulidae 1
Amphipoda --
Decapoda 2
Isopoda --
Ameletidae --
Ametropodidae --
Anthropleidae --
Baetidae 7
Baetiscidae --
Caenidae --
Ephemerellidae 3
Ephemeridae --
Heptageniidae 18
Isonychiidae --
Leptohyphidae --
Leptoplebiidae 24
Metretopodidae --
Neoephemeridae --
Polymitarcyidae --
Potamanthidae --
Pseudironidae --
Siphlonuridae --
Ancylidae --
Bithyniidae --
Hydrobiidae --
Lymnaeidae --
Physidae --
Planorbidae --
Pleuroceridae --
Pomatiopsidae --
Valvatidae --
Viviparidae --
Unidentified Snail --
Belostomatidae --
Corixidae --
Gelastocoridae --
Gerridae --
Hydrometridae --
Mesoveliidae --
Naucoridae --
Nepidae --
Notonectidae --
Pleidae --
Saldidae --
Veliidae --
Cosmopterigidiae --
Nepticulidae --
Noctuidae --
Pyralidae --
Tortricidae --
Corydalidae --
Sialidae --
Aeshnidae --
Calopterygidae --
Coenagrionidae --
Cordulidae --
Cordulegastridae --
Gomphidae 2
Lestidae --
Libellulidae --
Macromiidae --
Corbiculidae --
Dreissenidae --
Sphaeriidae (aka Pisidiidae) --
Unionidae --
Capniidae --
Chloroperlidae --
Leuctridae --
Nemouridae --
Perlidae 12
Perlodidae 22
Pteronarcyidae --
Taeniopterygidae --
Apataniidae --
Brachycentridae --
Dipseudopsidae --
Glossosomatidae 1
Goeridae --
Helicopsychidae --
Hydropsychidae 5
Hydroptilidae --
Lepidostomatidae --
Leptoceridae --
Limnephilidae --
Molannidae --
Odontoceridae --
Philopotamidae --
Phryganeidae --
Polycentropodidae --
Psychomyiidae --
Rhyacophilidae --
Sericostomatidae --
Uenoidae --
Hydracarina --
Collembola --
Platyhelminthes --
Total Abundance 101
Total Diversity 14
Water Quality Rating Score 2.78
Water Quality Rating Category Excellent
Abundance of Insects 97
Total Insect Diversity 12
Abundance of EPT 92
Total EPT Diversity 8
Total Sensitive Family Diversity 6