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:

Oct 17 2021 at 11:16 AM PDT

Next Issuance:

Oct 18 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
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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ302)

Today: Sunny, cooler. Highs 62 to 67. Northwest winds 10 to 15 mph.

Tonight: Mostly clear. Lows 36 to 41. Northwest winds around 10 mph in the evening becoming light and variable after midnight.

Tuesday: Sunny. Highs 68 to 73. Light winds.

Tuesday Night: Partly cloudy in the evening, then mostly cloudy with a 50 percent chance of showers after midnight. Lows 44 to 49. Light winds.

Wednesday: Mostly cloudy with a 50 percent chance of showers. Highs 67 to 73. Light winds in the morning becoming southeast around 10 mph in the afternoon.

Wednesday Night: Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Chance of showers 50 percent. Lows 46 to 51.

Thursday: Mostly sunny with a slight chance of showers. Highs 74 to 79.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Slight chance of showers. Lows 51 to 56.

Friday: Mostly cloudy with a 50 percent chance of showers. Highs 71 to 76.

Friday Night and Saturday: Mostly cloudy. Slight chance of showers. Lows 46 to 51. Highs 66 to 71.

Saturday Night and Sunday: Mostly cloudy with a 50 percent chance of showers. Lows 47 to 52. Highs 65 to 70.

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.

NWS RSS Feed

Verification - Historical Graphical RVF
Month:	Day:	Year:	Cycle:
To view other verification locations, use our Historical Graphical River Forecast Interface.