CNRFC - Hydrology - Observed River/Reservoir Conditions

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

CALLEGUAS CREEK - CSU CHANNEL ISLANDS (CLLC1)

Latitude: 34.18º N	Longitude: 119.04º W	Elevation: 70 Feet
Location: Ventura County in California		Bulletin Group: Southern California		River Group: Southern California

Action/Monitor: 7.1 Feet

Minor Flood: 7.9 Feet

Moderate Flood: 9.0 Feet

Major Flood: 9.9 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the Ventura County Watershed Protection District. View Ventura County Watershed Protection District Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024	8,560	6.38	Feb 5, 2024
2023	7,050	5.91	Feb 25, 2023
2022	9,150	6.55	Dec 30, 2021
2021	2,390	3.93	Dec 28, 2020
2020	5,700	5.44	Dec 26, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1969 to Present - USGS Gage 11106550) - Ranked by Flow
1980	25,300	10.54	Feb 16, 1980
1998	21,600	9.38	Feb 06, 1998
2005	19,700	8.88	Jan 09, 2005
1978	18,700	8.38	Mar 04, 1978

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
9.9 Feet	Flooding of Lewis Road, california state university at channel islands Entrance Road bridge is flooded, flooding at point mugu naval air station, flooding of las Posas Road, Laguna Road, and highway 1
9.0 Feet	Flooding of Lewis Road, starts flooding bridge at california state university at channel islands entrance, flooding of casa pacifica property, flooding at point mugu naval air station's south entrance
7.9 Feet	Callegus creek can break out at the confluence with conejo creek. Point mugu naval air station needs to consider deploying flood protection measures.

Official 7 Day National Weather Service Forecast (CAZ355)

Tonight: Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 50s.

Saturday: Areas of low clouds and fog in the morning then partly cloudy. Highs around 70.

Saturday Night: Mostly clear except for patchy low clouds and fog after midnight. Lows in the mid 50s.

Sunday: Areas of low clouds and fog mostly clearing in the afternoon. Highs in the lower to mid 70s.

Sunday Night: Low clouds and fog developing. Lows in the mid 50s.

Monday: Low clouds and fog mostly clearing in the afternoon. Highs in the lower 70s.

Monday Night: Low clouds and fog developing. Lows in the lower 50s.

Tuesday: Low clouds and fog mostly clearing in the afternoon. Highs around 70.

Tuesday Night: Low clouds and fog developing. Lows in the mid 50s.

Wednesday: Low clouds and fog in the morning then partly cloudy. Highs in the lower to mid 70s.

Wednesday Night: Mostly clear in the evening then cloudy. Lows in the mid 50s.

Thursday: Cloudy in the morning then partly cloudy. Highs in the lower to mid 70s.

Thursday Night: Mostly clear in the evening then partly cloudy. Lows in the mid 50s.

Friday: Partly cloudy in the morning then sunny. Highs in the lower to mid 70s.

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 Los Angeles-Oxnard 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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