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Thermalito Afterbay is a man-made reservoir located in Butte County, California. It was constructed in the 1960s as a part of the Oroville-Thermalito Complex and was designed to provide a place to store and regulate water released from Oroville Dam. The afterbay has a capacity of 210,000 acre-feet and covers approximately 4,000 acres.
The hydrology of Thermalito Afterbay is influenced by both surface flow and snowpack. The reservoir receives water from the Feather River via the Feather River Diversion Pool, and from the Thermalito Diversion Dam. The afterbay also receives water from snowpack runoff during the spring and summer months.
The primary agricultural uses of Thermalito Afterbay are for irrigation and fish farming. The reservoir is also used for recreational purposes, such as fishing, boating, and swimming.
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Reservoir Levels
Weather Forecast
Nearby Streamflow Levels
| Discharge | Stage | Elevation | |
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SACRAMENTO R A VERONA CA
2024-12-19T01:45:00.000-08:00 |
41600cfs | 26.55ft | 18ft |
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ARCADE C NR DEL PASO HEIGHTS CA
2024-12-19T02:00:00.000-08:00 |
4cfs | 2.4ft | 54ft |
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CACHE C A YOLO CA
2024-12-19T01:30:00.000-08:00 |
427cfs | 49.9ft | 74ft |
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AMERICAN R A FAIR OAKS CA
2024-12-21T00:00:00.000-08:00 |
2050cfs | 6.74ft | 79ft |
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CACHE C INFLOW TO SETTLING BASIN NR YOLO CA
2017-05-01T01:00:00.000-07:00 |
315cfs | ft | 57ft |
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DRY C A VERNON ST BRIDGE A ROSEVILLE CA
2012-04-01T23:45:00.000-07:00 |
159cfs | 10.30ft | 124ft |
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YOLO BYPASS NR WOODLAND CA
2024-12-19T01:30:00.000-08:00 |
2130cfs | 19.18ft | 34ft |
