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| Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | |
| Location: San Joaquin County in California | River Group: San Joaquin | ||
| Monitor Stage: 24.5 Feet | Flood Stage: 29.0 Feet | Danger Stage: 29.5 Feet |
| Observed Data Credit | |
 | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
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|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years | |||
| 2025* | 5,060 | 13.03 | Mar 20, 2025 |
| 2024* | 10,300 | 18.12 | Mar 6, 2024 |
| 2023* | 34,400 | 29.82 | Mar 19, 2023 |
| 2022* | 2,600 | 10.83 | Dec 29, 2021 |
| 2021* | 2,470 | 10.76 | Jan 31, 2021 |
| Historical High Stage/Flow Events (Period of Record - Jul 1922 to Present) - Ranked by Flow | |||
| 1951* | 79,000 | 27.75 | Dec 09, 1950 |
| 1997* | 75,600 | 34.88 | Jan 05, 1997 |
| 1969* | 52,600 | 34.55 | Jan 27, 1969 |
| 1938* | 51,200 | 26.64 | Mar 16, 1938 |
| 1956* | 50,900 | 26.89 | Dec 25, 1955 |
| 1983* | 45,100 | 31.49 | Mar 07, 1983 |
| * Discharge affected by regulation or diversion | |||
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ019) |
| Today: Mostly sunny. Highs 73 to 80. Northwest winds up to 10 mph. Gusts up to 20 mph in the afternoon. Tonight: Clear. Lows 48 to 56. Northwest winds up to 10 mph with gusts to around 20 mph. Wednesday: Sunny. Highs 76 to 84. Northwest winds up to 10 mph with gusts to around 20 mph. Wednesday Night: Mostly clear. Lows 52 to 58. Northwest winds up to 15 mph. Thursday: Mostly cloudy. A slight chance of rain in the afternoon. Highs 71 to 80. Northwest winds up to 10 mph. Thursday Night: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Lows 52 to 58. Friday: Mostly cloudy with rain showers likely and a chance of thunderstorms. Highs 66 to 75. Friday Night: Mostly cloudy with rain showers likely and a slight chance of thunderstorms. Lows 50 to 56. Saturday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 64 to 71. Saturday Night and Sunday: Mostly cloudy with a chance of rain. Lows 45 to 51. Highs 61 to 71. Sunday Night: Partly cloudy with a slight chance of rain. Lows 42 to 48. Monday: Mostly sunny. Highs 65 to 72. |
| Flood Impacts | |
| 37.29 Feet | Stages above 37.3 feet results in flooding outside the levees. Top of levee. |
| 29.6 Feet | Homes along east bank of river on Airport Court in Manteca experience flooding. |
| 26.0 Feet | Severe seepage occurs outside the levees. The area covered by seepage will increase as the river stage rises. |
| 24.5 Feet | Monitor Stage - water reaches the toe of levee. |
| 21.0 Feet | Seepage begins into crop area outside of levees. |
| 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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