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 CaliforniaBulletin Group: San JoaquinRiver 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
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
2018*
4,950
57.84
Apr 12, 2018
 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
Impacts - E19 Information
55.0 FeetThe city of Newman Wastewater Treatment Plant (WWTP) begins to flood at lowest point. Newman Police Department shooting range at the WWTP is also affected.
62.0 FeetWater seepage begins outside the levee along the river at the Newman Wastewater Treatment Plant.
63.0 FeetLevee patrols required.
63.3 FeetSouth Sand Slough will flow.
63.6 FeetSand Slough will flow.
64.0 FeetThe Waste Water Treatment Plant beings taking on river water and flood pumping begins.
65.0 FeetThe Fisherman's Bend Trailer Park north of Hills Ferry Road begins to flood.
66.14 Feet01/28/1997 stage.
66.26 FeetPeak stage of record - 04/09/2006.
69.4 FeetProject flood stage.
70.0 FeetFlood water reaches the top of the levee that surrounds the Newman Waste Water Treatment Plant.
70.4 FeetDanger stage.
71.7 FeetTop of levee on the right bank.
Official 7 Day National Weather Service Forecast   (CAZ302)
Tonight: Mostly cloudy. Lows in the mid 40s. Northwest winds up to 10 mph.

Friday: Mostly cloudy. Chance of rain showers in the morning, then rain showers in the afternoon. Highs around 60. Southeast winds up to 10 mph increasing to 15 to 20 mph with gusts to around 35 mph in the afternoon. Chance of showers 90 percent.

Friday Night: Breezy. Rain showers in the evening, then chance of rain showers after midnight. Lows in the upper 40s. Southeast winds 15 to 25 mph with gusts to around 40 mph. Chance of showers 90 percent.

Saturday: Rain showers likely. Highs in the lower 60s. Southeast winds 10 to 15 mph. Chance of showers 70 percent.

Saturday Night: Mostly cloudy. Lows in the mid 40s. Southeast winds 5 to 10 mph.

Sunday: Partly sunny. Highs in the mid 60s.

Sunday Night: Partly cloudy. Lows in the lower 40s.

Monday: Sunny. Highs in the upper 60s.

Monday Night through Wednesday: Clear. Lows in the upper 40s. Highs in the upper 70s.

Wednesday Night and Thursday: Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
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.