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

Coldwater Creek Coldwater Creek SWMA - Bluffton

Invert Sampling Session #11036

Session Data

Sample Date
7/24/2024
Sampling Gear
Hess
Lab ID Number
2470296
Sample Quality
Good
Created Date
1/24/2025 7:21:58 AM
Last Update
1/27/2025 1:52:01 PM

Semi-Quantitative Sampling

Replicate Number
2
Dominant Form Periphyton
Nonfilamentous Algae
(LT- Light, MD- Moderate, MH- Moderate/Heavy, HV- Heavy)
Periphyton Growth
MH
Sedimentation/Embededness
LT
Colonization
MD
Comments

No comments recorded.

Collected Benthic Macroinvertebrates

  • Total taxa collected 13
  • Total individuals collected 105
Scientific Name Order Family Common Name # Collected
Baetis tricaudatus Ephemeroptera Baetidae Small Minnow Mayflies 8
Brachycentrus occidentalis Trichoptera Brachycentridae Humpless Case Maker Caddisflies 4
Caecidotea Isopoda Asellidae Aquatic Sowbugs 16
Cheumatopsyche Trichoptera Hydropsychidae Common Netspinner Caddisflies 1
Chironomidae Diptera Chironomidae Non-Biting Midges, Midges 37
Dicranota Diptera Tipulidae Crane Flies 1
Girardia Tricladida Dugesiidae Flatworms 11
Glossosoma Trichoptera Glossosomatidae Saddlecase Maker Caddisflies 1
Limnephilidae Trichoptera Limnephilidae Northern Case Maker Caddisflies 5
Oligochaeta Aquatic Worms 10
Simulium Diptera Simuliidae Black Flies 9
Sphaeriidae Veneroida Sphaeriidae Fingernail clams 1
Trombidiformes Trombidiformes Water Mites 1

= Excluded from taxa count metrics

Notes: