VCPWA-Watershed Protection Hydrologic Data Server

Welcome to Ventura County Watershed Protection District Hydrologic Data Webpage. This page provides rain, stream, and evaporation data from the District's official gages in Ventura County, as well as other available data used in District planning studies.

Due to the complexity of the website and datasets, we STRONGLY urge you to read our file explaining how to download data from this website and any associated caveats by clicking on: Hydrodata Web Questions. Please read the file before you contact us with any questions regarding this site or our data sets.

For certified data or non-standard data not available on this website, please send a data request to the Hydrology Section as outlined in Hydrodata Web Questions document.

Official and Preliminary data are available by water year clicking on the station name and by selecting the water year and format selectors for each dataset. Additional Supplimental Reports for specific stations are available for download from each station's drop-down menus.

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Station 804 Information

Site Id: 804 Station Name: Arroyo Tapo abv Walnut Ave Latitude: 34° 17' 51.1" N Longitude: 118° 43' 11.7" W Datum: North American Datum 1927 Elevation: 0 feet Station Type: Recording Stream Gage VCWPD Zone: Zone 3 (Calleguas Creek) USGS Site Id: None Currently Active: No Associated Station(s): 804A - Arroyo Tapo abv Walnut Ave

Available Datasets

Dataset Name	Publish Type	Start Date		End Date

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Official and Supplemental Reports Published for This Station

Official Reports - Click Download button to download file
Select Report:

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Obsolete Reports and Data Files

Warning: These files are obsolete and should be used only if the data are not available from above choises.

Select a compiled dataset or summary from the list and click Download: Dataset:

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Data marked with 'P' are preliminary and subject to change until checked and evaluated. Data marked with 'U' are unverified and are subject to changed and evaluated. Unverified data may contain errors that have not been checked by Hydrology staff. Ventura County does not guarantee the accuracy of these data; please note that river flows may vary considerably during each day and from day to day.Oficial published data are marked with 'A '.