Bonneville Dam
Saturday October 12, 2024
| Hour | Total Outflow kcfs | Generation Flow kcfs | Spill kcfs | PH 1 Forebay Elevation | Tailwater Elevation | Average Head | Project Forebay Elevation | Stevenson Gage Elevation | Project Tailwater Elevation |
|---|
| 1 | 74.90 | 67.50 | 0.00 | 75.30 | 7.50 | 67.80 | 75.30 | 75.60 | 7.50 |
| 2 | 75.20 | 67.80 | 0.00 | 75.30 | 7.70 | 67.60 | 75.30 | 75.50 | 7.70 |
| 3 | 75.10 | 67.70 | 0.00 | 75.30 | 7.80 | 67.50 | 75.30 | 75.60 | 7.80 |
| 4 | 75.40 | 68.00 | 0.00 | 75.40 | 7.80 | 67.60 | 75.40 | 75.70 | 7.80 |
| 5 | | | | | | | | 75.70 | |
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| AVG | 75.15 | 67.75 | 0.00 | 75.32 | 7.70 | 67.62 | 75.32 | 75.62 | 7.70 |
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| MAX | 75.40 | 68.00 | 0.00 | 75.40 | 7.80 | 67.80 | 75.40 | 75.70 | 7.80 |
| MIN | 74.90 | 67.50 | 0.00 | 75.30 | 7.50 | 67.50 | 75.30 | 75.50 | 7.50 |
| |
Powerhouse 1 |
Powerhouse 2 |
Project |
| Hour | Generation Flow kcfs | Forebay Elevation | Forebay Elevation | Generation Flow kcfs | Spillway Gates in Use | Miscellaneous Flow kcfs* |
|---|
| 1 | 0.00 | 75.3 | 75.3 | 67.50 | 0 | 7.4 |
| 2 | 0.00 | 75.3 | 75.3 | 67.80 | 0 | 7.4 |
| 3 | 0.00 | 75.3 | 75.3 | 67.70 | 0 | 7.4 |
| 4 | 0.00 | 75.4 | 75.4 | 68.00 | 0 | 7.4 |
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| AVG | 0.00 | 75.3 | 75.3 | 67.75 | 0 | 7.4 |
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| MAX | 0.00 | 75.4 | 75.4 | 68.00 | 0 | 7.4 |
| MIN | 0.00 | 75.3 | 75.3 | 67.50 | 0 | 7.4 |
* Miscellaneous Flow includes fish ladders, PH1 sluiceway, navigation lock,
PH2 DSM, UMT, and PH2 corner collector (B2CC). When all routes are in
operation (March-August), total Misc Flow will be ~12.4 kcfs. Flow through
the B2CC is ~5 kcfs, so fluctuations of +/-5 kcfs at any time of year
indicate the B2CC is open/closed.