National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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CALLEGUAS CREEK - CSU CHANNEL ISLANDS (CLLC1)
Latitude: 34.18º NLongitude: 119.04º WElevation: 70 Feet
Location: Ventura County in CaliforniaBulletin Group: Southern CaliforniaRiver Group: Southern California
Action/Monitor: 7.1 FeetMinor Flood: 7.9 FeetModerate Flood: 9.0 FeetMajor Flood: 9.9 Feet

Observed Data Credit
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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
Note: Water Year 2025 is currently showing peak daily mean values. These will be updated to instantaneous peaks in the coming months.
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2025
1,362*
3.23
Feb 13, 2025
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
 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
1969
16,300
8.50
Feb 25, 1969
2011
13,400
7.64
Mar 20, 2011
 * Estimated
Location Photographs
ESRI™ Locator Map
Flood Impacts
9.9 FeetFlooding 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 FeetFlooding 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 FeetCallegus creek can break out at the confluence with conejo creek. Point mugu naval air station needs to consider deploying flood protection measures.
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.