Table 1 Biologically based numeric criteria prescribed under TMDL for North Santiam Subbasin of Detroit dam
Season | Downstream use | 7-day average temperature criteria (°C) |
|---|---|---|
September 1–June 30 | Salmon spawning | 12.8 |
Summer (July 1–August 31) | Salmon and steelhead rearing | 17.8 |