Post Views: 464 Post Views: 464 Orleans danger zone for sediment is above 200 mg/L. At this level, sediment can smother salmon eggs and fry. However, the effects of sediment on salmon can also depend on the type of sediment, the size of the sediment particles, and the flow of the water. Source: https://waterdata.usgs.gov/nwis/uv?site_no=11511990&legacy=1along with … Continue reading Orleans danger zone for sediment on Klamath River: Flows and Turbidity with Drawdown