Results of the Post 2021 Method

Stream Information
Site Id GCD-12
Name Black River Lake Dam
County Gogebic
Description Approximately 3-3.5 miles east of south end of South Davis Road. Site characterized by small rapids. (south of dam – ripples, etc. – medium to sharp banks; med/small rocks; gravel to sand going north. Substrate gravel and rocks as above but north is mud bottom. Slow and meandering stream.
Latitude 46.339722
Longitude -90.055557

Macro Family Entry Information
Date 2025-05-12
Collection Time Start 10:45:00.00
Avg Water Depth(ft) 1
Weather conditions from last week Warm/Dry
Site Condition Issues None
Habitat Riffles presence
Habitat Rocks presence
Habitat Aquatic Plants absence
Habitat Runs absence
Habitat Backwater presence
Habitat Leaf Packs presence
Habitat Pools presence
Habitat Undercut-Vegetation absence
Habitat Wood absence
Collection Finish Time 11:15:00.00
ID Confidence 5
Hirudinea --
Oligochaeta 1
Curculionidae --
Dryopidae --
Dytiscidae --
Elmidae 3
Gyrinidae --
Haliplidae --
Hydrophilidae --
Lampyridae --
Noteridae --
Psephenidae --
Ptilodactylidae --
Scirtidae --
Staphylinidae --
Athericidae --
Blephariceridae --
Ceratopogonidae --
Chaoboridae --
Chironomidae 16
Culicidae --
Dixidae --
Dolichopodidae --
Empididae --
Ephydridae --
Muscidae --
Psychodidae --
Ptychopteridae --
Sciomyzidae --
Simuliidae --
Stratiomyidae --
Syrphidae --
Tabanidae --
Tipulidae --
Amphipoda 3
Decapoda 2
Isopoda --
Ameletidae --
Ametropodidae --
Anthropleidae --
Baetidae 12
Baetiscidae --
Caenidae --
Ephemerellidae 1
Ephemeridae --
Heptageniidae 9
Isonychiidae --
Leptohyphidae --
Leptoplebiidae 4
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 5
Sialidae --
Aeshnidae --
Calopterygidae --
Coenagrionidae --
Cordulidae --
Cordulegastridae --
Gomphidae --
Lestidae --
Libellulidae --
Macromiidae --
Corbiculidae --
Dreissenidae --
Sphaeriidae (aka Pisidiidae) 3
Unionidae --
Capniidae --
Chloroperlidae --
Leuctridae --
Nemouridae --
Perlidae 1
Perlodidae --
Pteronarcyidae --
Taeniopterygidae --
Apataniidae --
Brachycentridae --
Dipseudopsidae --
Glossosomatidae --
Goeridae --
Helicopsychidae --
Hydropsychidae 38
Hydroptilidae --
Lepidostomatidae --
Leptoceridae --
Limnephilidae 3
Molannidae --
Odontoceridae --
Philopotamidae 1
Phryganeidae --
Polycentropodidae --
Psychomyiidae --
Rhyacophilidae --
Sericostomatidae --
Uenoidae --
Hydracarina --
Collembola --
Platyhelminthes --
Total Abundance 102
Total Diversity 15
Water Quality Rating Score 4.43
Water Quality Rating Category Very Good
Abundance of Insects 93
Total Insect Diversity 11
Abundance of EPT 69
Total EPT Diversity 8
Total Sensitive Family Diversity 4