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CALLEGUAS CREEK - CSU CHANNEL ISLANDS (CLLC1)
Latitude:
34.18º N		Longitude:
119.04º W		Elevation:
70 Feet
Location: Ventura County in CA
River Group: Southern California
Issuance Time: Apr 10 2026 at 8:53 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
Monthly Probability Plot
Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Apr 10 2026 at 9:02 AM PDT
ProbApr*MayJunJulAugSep
10%1.40.70.50.40.40.6
25%1.20.60.40.40.40.4
50%1.00.50.40.40.40.4
75%0.90.50.40.40.40.4
90%0.80.50.40.40.40.4
Mean++++++
%Mean++++++
ProbOctNovDecJanFebMar
10%2.03.712.921.624.819.2
25%0.71.16.28.811.57.5
50%0.50.72.01.83.22.0
75%0.40.50.70.90.60.7
90%0.40.40.40.60.50.5
Mean++++++
%Mean++++++
Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %)
Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast.

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.