Results of the Post 2021 Method

Stream Information
Site Id GCD-4
Name Black River at Narrows Park
County Gogebic
Description A small rapids with a boulder/cobble bottom. Deep, but still wadable. Easy access for volunteers and close to Narrows Creek.
Latitude 46.561802
Longitude -90.081697

Macro Family Entry Information
Date 2025-09-15
Collection Time Start 09:00:00.00
Avg Water Depth(ft) 2
Weather conditions from last week Warm/Dry
Site Condition Issues None
Habitat Riffles presence
Habitat Rocks presence
Habitat Aquatic Plants absence
Habitat Runs presence
Habitat Backwater presence
Habitat Leaf Packs absence
Habitat Pools absence
Habitat Undercut-Vegetation absence
Habitat Wood absence
Collection Finish Time 09:30:00.00
ID Confidence 5
Hirudinea --
Oligochaeta --
Curculionidae --
Dryopidae --
Dytiscidae --
Elmidae 2
Gyrinidae --
Haliplidae --
Hydrophilidae --
Lampyridae --
Noteridae --
Psephenidae --
Ptilodactylidae --
Scirtidae --
Staphylinidae --
Athericidae 5
Blephariceridae --
Ceratopogonidae --
Chaoboridae --
Chironomidae --
Culicidae --
Dixidae --
Dolichopodidae --
Empididae --
Ephydridae --
Muscidae --
Psychodidae --
Ptychopteridae --
Sciomyzidae --
Simuliidae --
Stratiomyidae --
Syrphidae --
Tabanidae --
Tipulidae 2
Amphipoda --
Decapoda --
Isopoda --
Ameletidae --
Ametropodidae --
Anthropleidae --
Baetidae 10
Baetiscidae --
Caenidae --
Ephemerellidae --
Ephemeridae --
Heptageniidae 42
Isonychiidae 30
Leptohyphidae --
Leptoplebiidae 6
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 1
Cosmopterigidiae --
Nepticulidae --
Noctuidae --
Pyralidae --
Tortricidae --
Corydalidae 2
Sialidae --
Aeshnidae --
Calopterygidae --
Coenagrionidae --
Cordulidae --
Cordulegastridae --
Gomphidae 5
Lestidae --
Libellulidae --
Macromiidae --
Corbiculidae --
Dreissenidae --
Sphaeriidae (aka Pisidiidae) 1
Unionidae --
Capniidae --
Chloroperlidae --
Leuctridae --
Nemouridae --
Perlidae 5
Perlodidae --
Pteronarcyidae --
Taeniopterygidae --
Apataniidae --
Brachycentridae --
Dipseudopsidae --
Glossosomatidae --
Goeridae --
Helicopsychidae --
Hydropsychidae 9
Hydroptilidae --
Lepidostomatidae --
Leptoceridae --
Limnephilidae --
Molannidae --
Odontoceridae --
Philopotamidae --
Phryganeidae --
Polycentropodidae --
Psychomyiidae --
Rhyacophilidae --
Sericostomatidae --
Uenoidae --
Hydracarina --
Collembola --
Platyhelminthes --
Total Abundance 120
Total Diversity 13
Water Quality Rating Score 3.06
Water Quality Rating Category Excellent
Abundance of Insects 119
Total Insect Diversity 12
Abundance of EPT 102
Total EPT Diversity 6
Total Sensitive Family Diversity 6