Riverfly and FBA logos

Riverfly Data

Riverfly Data

1Total Samples Shown
0Trigger Level Breaches

Scores With Trigger Level†
Average Score: 18

Count Distribution‡

Groups

Cased Caddis‡
Total: 83 | Average: 83

Caseless Caddis‡
Total: 58 | Average: 58

Mayfly (Ephemeridae)‡
Total: 11 | Average: 11

Blue-Winged Olive (Ephemerellidae)‡
Total: 592 | Average: 592

Flat-Bodied Stone Clinger (Heptageniidae)‡
Total: 24 | Average: 24

Olives (Baetidae)‡
Total: 176 | Average: 176

Stoneflies (Plecoptera)‡
Total: 1 | Average: 1

Freshwater Shrimp‡
Total: 128 | Average: 128

†

Scores in this chart are calculated from the average monthly counts for each species group. The chart includes data derived from Urban and Extended Riverfly samples. Select a site using the map or menu bar to plot its trigger level alongside the scores.

‡

Values in this chart represent average monthly counts for each species group. The chart includes data derived from Urban and Extended Riverfly samples.