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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: Sunny, breezy. Highs 63 to 71. Northwest winds 10 to 15 mph increasing to 10 to 25 mph in the afternoon. Gusts up to 35 mph. Tonight: Clear. Lows 38 to 48. Northwest winds 10 to 20 mph with gusts to around 40 mph. Friday: Sunny. Highs 68 to 75. Northwest winds 10 to 15 mph with gusts to around 30 mph. Friday Night: Mostly clear. Lows 43 to 51. Northwest winds up to 10 mph. Saturday: Partly cloudy. Highs 73 to 81. Light winds. Saturday Night: Mostly cloudy. Lows 48 to 54. Sunday: Partly cloudy. Highs 72 to 82. Sunday Night through Monday Night: Mostly cloudy with a chance of rain. Lows 46 to 54. Highs 67 to 77. Tuesday: Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs 60 to 67. Tuesday Night and Wednesday: Partly cloudy with a slight chance of rain. Lows 44 to 50. Highs 61 to 71. |
| 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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