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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 |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2023* |
34,400 |
29.82 |
Mar 19, 2023 |
2022* |
2,600 |
10.83 |
Dec 29, 2021 |
2021* |
2,470 |
10.76 |
Jan 31, 2021 |
2020* |
6,130 |
14.29 |
Dec 9, 2019 |
2019* |
17,200 |
21.82 |
Mar 13, 2019 |
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) |
Tonight: Clear, cooler. Lows 54 to 62. West winds up to 15 mph. Gusts up to 30 mph in the evening. Saturday: Sunny. Highs 79 to 87. Northwest winds up to 10 mph with gusts to around 20 mph. Saturday Night: Clear. Lows 54 to 60. Northwest winds up to 15 mph. Sunday: Sunny. Highs 83 to 90. West winds up to 10 mph. Sunday Night: Clear. Lows 55 to 63. Northwest winds up to 10 mph. Monday: Sunny. Highs 84 to 92. Monday Night: Clear. Lows 57 to 65. Tuesday through Thursday: Clear. Highs 88 to 98. Lows 58 to 68. Thursday Night and Friday: Mostly clear. Lows 61 to 71. Highs 91 to 99. |
Impacts - E19 Information | |
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. |