Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Coldwater Creek Coldwater Creek SWMA - Bluffton

Invert Sampling Session #11035

Session Data

Sample Date
7/24/2024
Sampling Gear
Hess
Lab ID Number
2470295
Sample Quality
Good
Created Date
1/24/2025 7:21:58 AM
Last Update
1/27/2025 1:50:49 PM

Semi-Quantitative Sampling

Replicate Number
1
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MH
Sedimentation/Embededness
LT
Colonization
MH
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 12
  • Total individuals collected 109
Scientific Name Order Family Common Name # Collected
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 5
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 4
Caecidotea Isopoda Asellidae Aquatic Sowbugs 18
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 52
Gammarus Amphipoda Gammaridae Scuds and sideswimmers 1
Girardia Tricladida Dugesiidae Flatworms 9
Hydroptila Trichoptera Hydroptilidae Micro Caddisflies 2
Hydroptilidae Trichoptera Hydroptilidae Micro Caddisflies 1
Lumbricidae Haplotaxida Lumbricidae Aquatic Worms 1
Oligochaeta Aquatic Worms 7
Simulium Diptera Simuliidae Black Flies 5
Trombidiformes Trombidiformes Water Mites 4

= Excluded from taxa count metrics

Notes: