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
Issuance Time: Jan 30 2023 at 1:28 PM PSTNext Issuance: Jan 31 2023 at 9:00 AM PST
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.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
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
2017*
21,000
65.88
Feb 15, 2017
 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: Clear. Areas of frost late in the evening. Widespread frost after midnight. Lows in the upper 20s. Northwest winds up to 10 mph.

Tuesday: Sunny. Widespread frost in the morning. Highs in the mid 50s. North winds around 5 mph shifting to the southeast up to 5 mph in the afternoon.

Tuesday Night: Mostly clear. Areas of frost in the evening, then widespread frost and patchy fog after midnight. Lows in the lower 30s. East winds up to 5 mph.

Wednesday: Mostly sunny. Widespread frost and patchy fog in the morning. Highs in the upper 50s. Southeast winds up to 5 mph.

Wednesday Night: Partly cloudy. Areas of frost and patchy fog after midnight. Lows in the mid 30s. Southeast winds up to 5 mph.

Thursday: Partly sunny. Widespread frost in the morning. Highs in the lower 60s.

Thursday Night: Cloudy. Lows in the lower 40s.

Friday: Cloudy in the morning then becoming partly sunny. Highs in the upper 50s.

Friday Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s.

Saturday and Saturday Night: Mostly cloudy. Highs in the upper 50s. Lows in the lower 40s.

Sunday: Mostly cloudy. Chance of rain in the morning. Highs in the upper 50s. Chance of rain 40 percent.

Sunday Night and Monday: Mostly cloudy. Lows in the upper 30s. Highs in the mid 50s.
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.
63.6 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 FeetPeak stage of record (01/28/1997).
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.
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.