Station Datasets

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.

Station 841A Information

Site Id:	841A
Station Name:	Arroyo Simi above Hitch Blvd
Latitude:	34° 16' 18.5" N
Longitude:	118° 55' 24.4" W
Datum:	World Geodetic System 1984
Elevation:	400 feet
Station Type:	Recording Stream Gage
VCWPD Zone:	Zone 3 (Calleguas Creek)
USGS Site Id:	None
Currently Active:	Yes
Associated Station(s):	841 - Arroyo Las Posas At Hitch Blvd

Available Datasets

Dataset Name	Publish Type	Start Date		End Date
Streamflow: Average Daily Flow	Published Data	10/01/2004 00:00	-	10/01/2015 00:00
	Preliminary Data	10/01/2015 00:00	-	10/01/2024 00:00
Streamflow: Event Hydrographs Available	Published Data	10/01/2004 00:00	-	10/01/2014 00:00
Streamflow: Storm Event Peaks	Published Data	01/09/2005 00:00	-	10/01/2015 00:00
	Preliminary Data	10/01/2015 00:00	-	10/01/2022 00:00

Official and Supplemental Reports Published for This Station

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

Streamflow: Average Daily Flow

Publish Type	Start Date		End Date
Published Data:	10/01/2004 00:00	-	10/01/2015 00:00
Preliminary Data:	10/01/2015 00:00	-	10/01/2024 00:00
Unverifed Telemetry Data:	N/A

Average Daily Streamflow - Water Year Products
Select Water Year:
Formatted Daily Report:
Data Download: Select Years Up To/Format:
For Daily Streamflow Plot:

Streamflow: Event Hydrographs Available

Publish Type	Start Date		End Date
Published Data:	10/01/2004 00:00	-	10/01/2014 00:00
Unverifed Telemetry Data:	N/A

Select Starting Day and Length of Period for Hydrographs
Select Month / Day / Year:
Select Period (days):
Data Download: Select Format:
For Stream Hydrograph Plot:

Notes:
Continuious Hydrographs may not be available for all sites and all time periods. Periods where hydrographs are not available are marked with quality codes greater than 150. These periods show flow values of zero but it does not mean that the flow is actually zero. For questions e-mail: HydroData@ventura.org

Streamflow: Storm Event Peaks

Publish Type	Start Date		End Date
Published Data:	01/09/2005 00:00	-	10/01/2015 00:00
Preliminary Data:	10/01/2015 00:00	-	10/01/2022 00:00
Unverifed Telemetry Data:	N/A

Peak Streamflow - Multiple Water Year Products
Select Water Year Range:	to
Select All/Annual:
Data Download: Select Format:

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:

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 '.