Results of the Post 2021 Method

Stream Information
Site Id GCD-19
Name Black River Lake Impoundment
County Gogebic
Description This site is the newly reformed river channel in the now empty Black River Lake. Start at the dam structure and sample upstream 300.
Latitude 46.339457
Longitude -90.055395

Macro Family Entry Information
Date 2025-09-25
Collection Time Start 13:00:00.00
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 presence
Habitat Runs presence
Habitat Backwater absence
Habitat Leaf Packs absence
Habitat Pools absence
Habitat Undercut-Vegetation absence
Habitat Wood absence
Collection Finish Time 13:30:00.00
ID Confidence 5
Hirudinea 2
Oligochaeta 1
Curculionidae --
Dryopidae --
Dytiscidae 3
Elmidae 1
Gyrinidae --
Haliplidae --
Hydrophilidae 2
Lampyridae --
Noteridae --
Psephenidae --
Ptilodactylidae --
Scirtidae --
Staphylinidae --
Athericidae --
Blephariceridae --
Ceratopogonidae --
Chaoboridae --
Chironomidae 6
Culicidae --
Dixidae --
Dolichopodidae --
Empididae --
Ephydridae --
Muscidae --
Psychodidae --
Ptychopteridae --
Sciomyzidae --
Simuliidae 2
Stratiomyidae --
Syrphidae --
Tabanidae --
Tipulidae --
Amphipoda 8
Decapoda --
Isopoda --
Ameletidae --
Ametropodidae --
Anthropleidae --
Baetidae 26
Baetiscidae --
Caenidae --
Ephemerellidae 1
Ephemeridae 1
Heptageniidae 7
Isonychiidae --
Leptohyphidae --
Leptoplebiidae 27
Metretopodidae --
Neoephemeridae --
Polymitarcyidae --
Potamanthidae --
Pseudironidae --
Siphlonuridae --
Ancylidae --
Bithyniidae --
Hydrobiidae --
Lymnaeidae --
Physidae 2
Planorbidae --
Pleuroceridae --
Pomatiopsidae --
Valvatidae --
Viviparidae --
Unidentified Snail --
Belostomatidae 4
Corixidae 1
Gelastocoridae --
Gerridae --
Hydrometridae --
Mesoveliidae --
Naucoridae --
Nepidae 2
Notonectidae --
Pleidae --
Saldidae --
Veliidae --
Cosmopterigidiae --
Nepticulidae --
Noctuidae --
Pyralidae --
Tortricidae --
Corydalidae --
Sialidae --
Aeshnidae 10
Calopterygidae 21
Coenagrionidae --
Cordulidae --
Cordulegastridae --
Gomphidae 1
Lestidae --
Libellulidae 1
Macromiidae --
Corbiculidae --
Dreissenidae --
Sphaeriidae (aka Pisidiidae) --
Unionidae --
Capniidae --
Chloroperlidae --
Leuctridae --
Nemouridae --
Perlidae --
Perlodidae --
Pteronarcyidae --
Taeniopterygidae --
Apataniidae --
Brachycentridae --
Dipseudopsidae --
Glossosomatidae --
Goeridae --
Helicopsychidae --
Hydropsychidae 44
Hydroptilidae --
Lepidostomatidae --
Leptoceridae --
Limnephilidae --
Molannidae --
Odontoceridae --
Philopotamidae --
Phryganeidae --
Polycentropodidae --
Psychomyiidae --
Rhyacophilidae --
Sericostomatidae --
Uenoidae --
Hydracarina 1
Collembola 1
Platyhelminthes --
Total Abundance 175
Total Diversity 24
Water Quality Rating Score 4.44
Water Quality Rating Category Very Good
Abundance of Insects 160
Total Insect Diversity 18
Abundance of EPT 106
Total EPT Diversity 6
Total Sensitive Family Diversity 3