CNRFC - Hydrology - River Guidance - Graphical RVF

SAN JOAQUIN RIVER - NEWMAN (NWMC1)

Latitude: 37.35º N	Longitude: 120.98º W	Elevation: 90 Feet
Location: Merced County in California		River Group: San Joaquin

Issuance Time:

Apr 14 2021 at 9:05 AM PDT

Next Issuance:

Apr 15 2021 at 9:00 AM PDT

Monitor Stage: 63.0 Feet

Flood Stage: 69.4 Feet

Danger Stage: 70.4 Feet

Observed Data Credit
	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
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
2015*	1,080	51.07	Oct 29, 2014
Historical High Stage/Flow Events (Period of Record - Apr 1912 to Present)
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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ180)

Today: Sunny. Highs 75 to 80. Light winds in the morning becoming west around 10 mph in the afternoon.

Tonight: Clear. Lows 41 to 47. Northwest winds around 10 mph.

Friday: Sunny. Highs 78 to 83. Northwest winds up to 10 mph.

Friday Night: Clear. Lows 46 to 51. West winds 10 to 15 mph.

Saturday: Sunny. Highs 81 to 86. Light winds in the morning becoming northwest 10 to 15 mph in the afternoon.

Saturday Night and Sunday: Clear. Lows 47 to 53. Highs 85 to 90.

Sunday Night through Monday Night: Mostly clear. Lows 49 to 55. Highs 86 to 91.

Tuesday through Wednesday: Mostly clear. Highs 78 to 85. Lows 47 to 52.

Impacts - E19 Information
55.0 Feet	The 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 Feet	Water seepage begins outside the levee along the river at the Newman Wastewater Treatment Plant.
63.0 Feet	Levee patrols required.
63.6 Feet	Sand Slough will flow.
64.0 Feet	The Waste Water Treatment Plant beings taking on river water and flood pumping begins.
65.0 Feet	The Fisherman's Bend Trailer Park north of Hills Ferry Road begins to flood.
66.14 Feet	Peak stage of record (01/28/1997).
69.4 Feet	Project flood stage.
70.0 Feet	Flood water reaches the top of the levee that surrounds the Newman Waste Water Treatment Plant.
70.4 Feet	Danger stage.
71.7 Feet	Top 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.

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