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Latitude: 37.68º N | Longitude: 121.27º W | Elevation: 35 Feet | |||
Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
Action/Monitor: 24.5 Feet | Minor Flood: 29.0 Feet | Moderate Flood: 32.0 Feet | Major Flood: 37.3 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 | |||
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 |
2020* |
6,130 |
14.29 |
Dec 9, 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 |
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. |
Official 7 Day National Weather Service Forecast (CAZ019) |
Tonight: Clear. Haze early in the evening. Haze late in the night. Lows 61 to 71. Northwest winds up to 10 mph with gusts to around 20 mph. Friday: Sunny. Highs 97 to 105. Northwest winds up to 10 mph. Friday Night: Clear. Lows 62 to 72. Northwest winds up to 10 mph. Saturday: Sunny. Highs 95 to 103. Northwest winds up to 10 mph. Saturday Night: Clear. Lows 60 to 70. Northwest winds 10 to 15 mph. Sunday: Sunny. Highs 94 to 102. Sunday Night: Clear. Lows 60 to 70. Monday through Tuesday Night: Clear. Highs 92 to 102. Lows 58 to 68. Wednesday through Thursday: Clear. Highs 87 to 96. Lows 55 to 64. |
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. |