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Oneill Lake Outlet Ch near Fallbrook water level

River gauge, Oneill Lake Outlet Ch, California, United States

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Right now

Low for mid-October

Water level

0.42ft Steady over the last 24 hours

Flow
0.0 cfs
-1 0 1 3

History

History
0.400.45ftOct 16Oct 17Oct 18Oct 19Oct 210.400.45ftOct 16Oct 18Oct 21
Water level

What this means

Oneill Lake Outlet Ch near Fallbrook is running below normal at 0.42 ft.

It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. In the last month it has stayed between 0.37 ft and 0.49 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 5 years of daily readings for this time of year. How to read levels

Floating and fishing near Oneill Lake Outlet Ch near Fallbrook

Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.

Weather at the gauge

No rain in the last 3 days.

20 Tue 78° 58° – Wind 12 mph
21 Wed 75° 61° 0.17 in, 28% Wind 16 mph
22 Thu 70° 59° 0.98 in, 91% Wind 12 mph
23 Fri 71° 60° – Wind 10 mph
24 Sat 76° 60° – Wind 11 mph
25 Sun 83° 63° – Wind 10 mph
26 Mon 87° 69° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 06:59 AM Sunset 06:10 PM Daylight 11 hr, 11 min Waxing gibbous 74%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Santa Margarita R A YsidoraRiver gauge 7.13 ft Below flood stage ±0 1.6 mi
Fallbrook Creek near FallbrookRiver gauge, Fallbrook Creek 0.2 cfs Normal −0.1 cfs 1.6 mi
De Luz Creek near De LuzRiver gauge, De Luz Creek 0.0 cfs Normal ±0 7 mi
San Luis Rey R A OceansideRiver gauge 5.60 ft Below flood stage ±0 8 mi
Santa Margarita R A Fpud Sump near FallbrookRiver gauge, Santa Margarita R A Fpud Sump 7.1 cfs Normal ±0 8 mi
Sandia Creek near FallbrookRiver gauge, Sandia Creek 0.5 cfs Very low +0.1 cfs 8 mi
Rainbow Creek near FallbrookRiver gauge, Rainbow Creek 0.1 cfs Normal ±0 9 mi
Santa Margarita River near TemeculaRiver gauge, Santa Margarita River 4.4 cfs Normal +0.9 cfs 15 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Oneill Lake Outlet Ch near Fallbrook today?

On Oct 20, 2026, 08:45 PM PDT, the water level was 0.42 ft. Steady over the last 24 hours.

Is Oneill Lake Outlet Ch near Fallbrook rising or falling?

Steady over the last 24 hours.

Is the level of Oneill Lake Outlet Ch near Fallbrook normal?

Low for mid-October. Compared with 5 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:11045600 (Agency page)
Coordinates
33.32503, -117.32558 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 0.42 ft 2026-10-21 03:45 Provisional
Flow 0.0 cfs 2026-10-21 03:45 Provisional

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How to cite

U.S. Geological Survey: Oneill Lake Outlet Ch near Fallbrook (usgs:11045600). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/oneill-lake-outlet-ch-near-fallbrook

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.