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: Sep 27 2021 at 7:51 AM PDTNext Issuance: Sep 28 2021 at 9:00 AM PDT
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
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
2016*
3,540
55.40
Mar 15, 2016
 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)
Today: Sunny. Patchy blowing dust through the day. Highs 74 to 79. Northwest winds 10 to 20 mph.

Tonight: Mostly clear. Patchy blowing dust in the evening. Lows 46 to 51. Northwest winds 10 to 15 mph.

Wednesday: Sunny. Highs 77 to 82. Northwest winds up to 10 mph.

Wednesday Night: Mostly clear. Lows 48 to 53. Northwest winds up to 10 mph in the evening becoming light and variable after midnight.

Thursday: Sunny. Highs 83 to 88. Light winds.

Thursday Night: Mostly clear. Lows 49 to 55.

Friday: Sunny. Highs 87 to 92.

Friday Night through Sunday: Mostly clear. Lows 51 to 58. Highs 88 to 93.

Sunday Night and Monday: Partly cloudy. Lows 55 to 60. Highs 85 to 90.
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.