National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SAN JOAQUIN RIVER - NEWMAN (NWMC1)
Latitude: 37.35º NLongitude: 120.98º WElevation: 90 Feet
Location: Merced County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 63.0 FeetFlood Stage: 69.4 FeetDanger Stage: 70.4 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023*
19,800
65.93
Mar 17, 2023
2022*
1,260
51.74
Dec 30, 2021
2021*
1,760
53.26
Feb 1, 2021
2020*
2,910
55.79
Oct 1, 2019
2019*
9,050
62.00
Feb 21, 2019
 Historical High Stage/Flow Events (Period of Record - Apr 1912 to Present) - Ranked by Flow
1997*
36,200
66.14
Jan 28, 1997
1938*
33,000
--
Mar 07, 1938
1983*
30,700
65.78
Mar 04, 1983
1969*
28,000
65.90
Feb 26, 1969
2006*
24,600
66.26
Apr 09, 2006
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ302)
Tonight: Mostly clear. Lows in the mid 60s. Northwest winds 5 to 15 mph.

Monday: Sunny. Highs in the upper 90s. Northwest winds 5 to 10 mph.

Monday Night: Clear. Lows in the lower 60s. Northwest winds 5 to 15 mph.

Tuesday: Sunny. Highs in the upper 90s. Northwest winds 5 to 10 mph.

Tuesday Night: Mostly clear. Lows around 60. Northwest winds 5 to 15 mph.

Wednesday: Sunny. Highs in the mid 90s.

Wednesday Night: Mostly clear. Lows in the lower 60s.

Thursday: Sunny. Highs in the upper 90s.

Thursday Night through Friday Night: Mostly clear. Lows in the upper 60s. Highs around 101.

Saturday: Sunny. Highs around 103.

Saturday Night and Sunday: Mostly clear. Lows in the upper 60s. Highs around 102.
Impacts - E19 Information
71.7 FeetTop of levee rb
70.4 FeetDanger stage.
70.0 FeetFlood water reaches the top of the levee that surrounds the Newman waste water treatment plant.
69.4 FeetProject flood stage.
66.26 FeetPeak stage of record. 4/9/2006
66.14 Feet1/28/1997
65.0 FeetThe fisherman's bend trailer park north of hills ferry road begins to flood.
64.0 FeetThe Wastewater Treatment Plant begins taking on river water and flood pumping begins.
63.6 FeetSand slough will flow.
63.0 FeetMonitor stage. Levee patrols required.
62.0 FeetWater seepage begins outside the levee along the river, near the newman waste water treatment plant.
55.0 FeetThe city of Newman Wastewater Treatment Plant (WWTP) begins to flood at the lowest point. Newman Police Department shooting range a the WWTP is also affected.
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 San Joaquin Valley-Hanford 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.