| SACRAMENTO RIVER - HAMILTON CITY (HAMC1) | ||
| Latitude: 39.75º N | Longitude: 122.00º W | Elevation: 125 Feet |
| Location: Glenn County in CA | ||
| River Group: Upper Sacramento | ||
| Forecast Issued: | Jan 05 2026 at 1:00 PM PST | Next Issuance: | Jan 05 2026 at 9:00 PM PST |
| Action/ Monitor: 142.0 Ft | Minor Flood: 147.0 Ft | Moderate Flood: 149.2 Ft | Major Flood: 150.2 Ft |
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Historical Stage/Flow Data |
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Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months. |
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Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
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Date
|
| Most Recent 5 Years | |||
| 2025 | 109,552 | 147.92 | Feb 06, 2025 |
| 2024 | 91,100 | 145.39 | Feb 20, 2024 |
| 2023 | 105,300 | 146.79 | Mar 15, 2023 |
| 2022 | 47,500 | 137.98 | Oct 25, 2021 |
| 2021 | 13,300 | 130.71 | Jan 29, 2021 |
| Historical High Stage/Flow Events (Period of Record - January 1927 to Present) - Ranked by Flow | |||
| 1986 | 160,900 | 150.53 | Feb 18, 1986 |
| 1970 | 160,700 | 150.80 | Jan 24, 1970 |
| 1983 | 159,600 | 150.77 | Mar 1, 1983 |
| 1997 | 155,300 | 150.92 | Jan 2, 1997 |
| 1995 | 152,460** | 150.65 | Jan 10, 1995 |
| 1974 | 147,000 | 149.50 | Jan 17, 1974 |
| * Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.8 ft and must be applied to all data before date to convert to NAVD88 ** Estimated |
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| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 147.2 Feet | Flood Stage - Overflow begins on the East bank of the river in Butte County, from near Wilson Landing Road to Highway 32. |
| 146.8 Feet | Water at top of Irvine Finch boat ramp. |
| 145.1 Feet | Water inundates Phase 2A restoration area north of Hwy 32 bridge inside of levee; touches toe of levee. |
| 144.0 Feet | County Road 23 in Glenn County closes east of RD 2140 levee as a result of water on roadway. |
| 137.7 Feet | West Sacramento Avenue and River Road north of Big Chico Creek flood 1.5 hours after the Hamilton City gage reaches 137.7-138.0 feet. |