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| Latitude: 37.79º N | Longitude: 121.31º W | Elevation: 32 Feet | |||
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin | |||
| Action/Monitor: 19.5 Feet | Minor Flood: 28.5 Feet | Moderate Flood: 32.1 Feet | Major Flood: 33.1 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the California Department of Water Resources. |
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)
|
Date
|
| Most Recent 5 Years | |||
| 2025 | -- | 6.60 | Mar 21, 2025 |
| 2024 | -- | 11.32 | Mar 6, 2024 |
| 2023 | -- | 20.52 | Mar 24, 2023 |
| 2022 | -- | 7.51 | Oct 24, 2021 |
| 2021 | -- | 6.74 | Jun 27, 2021 |
| Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)* - Ranked by Stage | |||
| 1951 | -- | 24.40** | Dec 10, 1950 |
| 1997 | -- | 23.24** | Jan 9, 1997 |
| 2017 | -- | 21.70 | Feb 23, 2017 |
| 1969 | -- | 20.31** | Jan 27, 1969 |
| 1967 | -- | 18.10** | Jan 24, 1967 |
| 2006 | -- | 17.19** | Apr 13, 2006 |
| * No data was available Sep 2006 to Apr 2007 ** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is +2.38 ft and must be applied to all data before date to convert to NAVD88 |
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| Location Photographs | ||
| ESRI™ Locator Map |
| Flood Impacts | |
| 33.1 Feet | Stages above 33.1 feet result in flooding outside of the levees. Top of levee. |
| 16.39 Feet | Historically Mossdale Trailer Park evacuates. |
| 15.4 Feet | Mossdale Trailer Park is threatened by the high water. Mossdale Trailer Park is on the south side of the river inside the levee both upstream and downstream of the gage. |
| Official 7 Day National Weather Service Forecast (CAZ019) |
| Tonight: Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Patchy frost late in the night. Lows around 36. Light winds. Monday: Mostly cloudy in the morning then becoming partly cloudy. Widespread fog and locally dense and patchy frost in the morning, then patchy fog in the afternoon. Highs 45 to 52. Light winds. Monday Night: Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows around 38. Light winds. Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 48 to 54. Light winds. Tuesday Night: Mostly cloudy. Patchy fog after midnight. Lows around 41. Light winds. Wednesday: Mostly cloudy with a slight chance of rain. Patchy fog. Highs 46 to 52. Wednesday Night: Cloudy with a chance of rain. Lows around 46. New Years Day: Rain likely. Highs around 53. Thursday Night: Rain likely. Lows around 49. Friday and Friday Night: Cloudy with rain likely. Highs around 55. Lows 46 to 51. Saturday through Sunday: Mostly cloudy with a chance of rain. Highs around 54. Lows 46 to 51. |
| Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |
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