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 downlaod from each station's drop-down menus.

Streamflow: Event Hydrographs Available

Dataset: Sort By:
Site IdStation NameStart DateEnd DateActive
602BMatilija Creek at Matilija Hot Springs10/01/2007 00:0010/01/2019 00:00Yes
603AMatilija Cr abv Matilija Reservoir02/14/2002 16:3010/01/2021 22:55Yes
604No Frk Matilija Creek at Matilija Hot Springs02/04/1976 23:5910/01/2014 00:00Yes
605San Antonio Creek at Hwy 3310/29/1982 23:5910/01/2013 00:00
605ASan Antonio Creek at Old Creek Road10/01/2013 00:0010/01/2020 00:00Yes
608Ventura River nr Ventura (Foster Park)09/30/1988 23:1310/01/2021 22:55Yes
630Canada Larga at Ventura Ave10/01/2004 00:0010/01/2016 00:00Yes
631Fox Canyon Drain bl Ojai Ave10/01/2004 00:0010/01/2008 00:00
632Prince Barranca abv Union Pacific RR10/01/2004 00:0010/01/2016 00:00Yes
633Happy Valley Drain at Rice Rd10/01/2004 00:0010/01/2015 00:00Yes
664Station Canyon Creek abv Lake Casitas01/08/1980 23:5903/08/1980 00:01
669Thacher Creek at Boardman Road10/01/2002 00:0010/01/2008 00:00Yes
671Ventura River Diversion at Foster Park09/30/1988 23:1509/30/2007 22:45
700Arundell Barranca abv Harbor Blvd10/01/1994 00:0010/01/2015 00:00Yes
701Hopper Creek at Hwy 126 nr Piru10/01/1987 00:0010/01/2010 00:00Yes
705APiru Creek abv Lake Piru09/30/1988 23:1510/01/2021 22:45Yes
707Santa Clara River at L.A. County Line09/30/1988 23:0910/21/1996 13:30
707ASanta Clara River at Newhall Bridge nr Piru10/02/1996 11:0010/01/2021 22:45Yes
708Santa Clara River at Montalvo Hwy 10102/26/1988 12:0010/25/1995 15:00
708ASanta Clara River at Saticoy Hwy 11810/25/1995 15:0010/08/2004 05:30
709ASanta Paula Creek nr Santa Paula09/30/1988 23:1510/01/1997 00:00
709BSanta Paula Creek at Mupu Bridge09/30/1997 23:5510/01/2021 23:45Yes
710CSespe Creek nr Fillmore at Diversion12/13/1990 14:1510/01/1993 00:00
710DSespe Creek near Fillmore (Grand Ave)10/01/1993 00:0010/01/2021 22:45Yes
711Sespe Creek nr Wheeler Springs09/30/1988 23:1510/01/2021 22:55Yes
712Sespe Creek West of Hot Springs10/01/1974 00:0010/01/1977 00:00
713Pole Creek at Sespe Ave10/01/1987 00:0010/01/2010 00:00Yes
714Piru Creek bl Santa Felicia Dam09/30/1988 23:1510/01/2021 22:45Yes
718Fillmore Irr Diversion nr Fillmore12/13/1990 15:1501/13/1993 08:45
720Santa Clara River at 12th Street01/18/2005 15:4510/01/2007 00:00
723Santa Clara River at Victoria Ave10/01/2007 00:0010/01/2012 00:00Yes
724Santa Clara River at Freeman Diversion10/01/2004 00:0010/01/2005 00:00
731AEllsworth Barranca at Hwy 12610/01/2004 00:0010/01/2016 00:00Yes
732Harmon Barranca bl Telegraph Rd10/01/2005 00:0010/01/2015 00:00Yes
733Oxnard West Drain abv Bolker St10/01/2005 00:0009/30/2006 23:55
735Fagan Canyon Drain bl Harvard blvd10/01/2005 00:0010/01/2008 00:00
737Sespe Creek above Bear Creek A65010/01/2002 00:0010/01/2008 00:00Yes
776Revolon Slough at Laguna Rd10/01/1990 00:0511/07/2005 23:55
776ARevolon Slough at Pleasant Valley Road10/01/2005 00:0010/01/2016 00:00Yes
777Telephone Rd Drain10/01/2004 00:0010/01/2017 00:00Yes
778Nyeland Acres Drain10/01/2005 00:0010/01/2015 00:00Yes
779Rice Rd Drain bl Wooley Rd10/01/2004 00:0010/01/2017 00:00Yes
780Beardsley Wash at Central Ave10/01/1994 00:0510/01/2015 00:00Yes
781Santa Clara Drain10/01/2000 00:0010/01/2016 00:00Yes
782Las Posas Estates Drain10/01/2000 00:0010/01/2008 00:00
791Piru Creek above Frenchmans Flat05/24/2004 11:0010/01/2021 00:00Yes
800Conejo Creek abv Hwy 10110/01/1990 00:0510/01/2009 00:00
800AConejo Creek at Ridge View St01/28/2010 10:3010/01/2014 00:00Yes
802Arroyo Simi At Royal Ave Bridge10/01/2000 00:0009/15/2015 09:10Yes
803Arroyo Simi at Madera Road Bridge12/25/1968 23:5910/01/2018 00:00Yes
803AArroyo Simi near Simi at Sinaloa Rd10/01/1976 00:0010/01/1984 00:00
804AArroyo Tapo abv Walnut Ave10/01/2004 00:0002/20/2017 00:01Yes
805Calleguas Creek at CSUCI10/01/1990 00:0511/01/2016 07:55Yes
806Calleguas Creek abv Hwy 10110/01/1990 00:0503/14/1995 00:00
806ACalleguas Creek at Hwy 10110/01/1997 00:0510/01/2016 00:00Yes
830Arroyo Conejo S Branch abv Ventu-Park Rd10/01/2005 00:0004/23/2017 16:50Yes
831Arroyo Simi abv White Oak Creek10/01/2004 00:0010/01/2015 00:00Yes
832Arroyo Tapo bl Los Angeles Ave10/01/2004 00:0003/21/2017 14:00Yes
833Bus Canyon Drain abv Los Angeles Ave02/03/1998 03:5910/01/2016 00:00Yes
835Camarillo Hills Drain bl Hwy 10110/01/2005 00:0010/01/2017 00:00
836Arroyo Conejo bl Conejo Blvd10/01/2005 00:0005/06/2016 18:50Yes
838Arroyo Santa Rosa bl Blanchard Rd Drain10/01/2004 00:0009/10/2014 08:15
839Gabbert-Walnut Canyon Drain10/01/2005 00:0003/11/2016 14:30Yes
841Arroyo Las Posas At Hitch Blvd10/01/1990 00:0510/01/2004 00:00
841AArroyo Simi above Hitch Blvd10/01/2004 00:0010/01/2014 00:00Yes
842Arroyo Simi below Stow Street10/01/2002 00:0010/01/2015 00:00Yes
905ACuyama River nr Ventucopa (Hwy 33)09/30/2009 23:0010/31/2014 23:00Yes
931APotrero Creek at Westlake Blvd10/01/2005 00:0010/01/2008 00:00Yes

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 '.