National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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MORMON SLOUGH - BELLOTA (MSGC1)
Latitude: 38.05º NLongitude: 121.01º WElevation: 130 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 16.0 FeetFlood Stage: 22.0 FeetDanger Stage: 23.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2015*
2,454
9.39
Dec 12, 2014
2014*
102
2.96
Mar 1,, 2014
2013*
1,271
7.08
Dec 2, 2012
2012*
1,766
7.96
Apr 13, 2012
2011*
8,965
17.22
Mar 24, 2011
 Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present)
2006*
9,328
18.40
Apr 4, 2006
1998*
9,395
18.48
Feb 3, 1998
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Clear. Lows 59 to 67. Northwest winds up to 15 mph.

Tuesday: Sunny and very warm. Highs 91 to 100. Northwest winds around 10 mph.

Tuesday Night: Clear. Lows 56 to 64. Northwest winds up to 15 mph.

Wednesday: Sunny not as warm. Highs 82 to 92. Northwest winds around 10 mph.

Wednesday Night: Mostly clear. Lows 52 to 60. Northwest winds 10 to 15 mph.

Thursday: Sunny. Highs 75 to 85.

Thursday Night: Clear. Lows 49 to 57.

Friday and Friday Night: Mostly clear. Highs 72 to 82. Lows 49 to 57.

Saturday and Saturday Night: Clear. Highs 76 to 85. Lows 50 to 60.

Sunday: Sunny. Highs 82 to 90.

Sunday Night and Memorial Day: Mostly clear. Lows 55 to 63. Highs 83 to 93.
Impacts - E19 Information
9.0 FeetWater rises out of the pilot channel but not yet on the levee slopes.
14.2 FeetUOP research within the Calaveras River channel is affected by water levels.
16.0 FeetBike trail within lower Calaveras River channel is flooded
22.0 FeetFlood Stage.
23.0 FeetDanger Stage.
31.9 FeetWater will overflow toward Bellota and Highway 26.
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.