OCEAN HEALTH
Turbidity (TURB)
Suspended-sediment load in the water. Spikes flag dredging, runoff, or blasting — and smother reefs and seagrass downstream.
Threshold Bands
| Band | Range | State |
|---|---|---|
| Clear | < 3 | OK |
| Turbid | 3–8 | WARN |
| Smothering | > 8 | CRIT |
Formula
Nephelometric scatter of suspended particulate.