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.

Rainfall: Storage Gage Annual Totals

Dataset: Sort By:
Site IdStation NameStart DateEnd DateActive
023Mutau Flat07/01/1893 16:0006/30/1902 08:00
161SApache Camp09/30/1971 08:0009/30/1973 08:00
176Pine Mountain09/30/1957 08:0009/30/2021 08:00Yes
178Cow Springs09/30/1957 08:0009/30/2021 08:00Yes
179Chief Peak09/30/1957 08:0009/30/2021 08:00Yes
180Ortega Hill09/30/1957 08:0009/30/1981 08:00
180AOrtega Hill (Type C)09/30/1981 08:0009/30/2021 08:00Yes
181Mutau Flat09/30/1953 08:0009/30/1974 08:00
181AMutau Flat09/30/1974 08:0009/30/2021 08:00Yes
197Topa Topa09/30/1958 08:0009/30/1968 08:00
197ATopa Topa09/30/1971 08:0009/30/2021 08:00Yes
200Mount Pinos09/30/1959 08:0009/30/1970 08:00
200AMount Pinos09/30/1970 08:0009/30/2021 08:00Yes
202Lockwood/Ozena-Wagon Road Camp09/30/1959 08:0009/30/1970 08:00
202ALockwood/Ozena-Wagon Road Camp09/30/1970 08:0009/30/2021 08:00Yes
203Murietta Divide09/30/1957 08:0009/30/1970 08:00
203AMurietta Divide09/30/1970 08:0009/30/2021 08:00Yes
211Alamo Mountain09/30/1959 08:0009/30/1970 08:00
211AAlamo Mountain09/30/1970 08:0009/30/2021 08:00Yes
237San Guillermo09/30/1971 08:0009/30/2021 08:00Yes
240Apache Canyon09/30/1972 08:0009/30/2021 08:00Yes
241ACerro Noroeste09/30/1973 08:0009/30/1998 08:00
251Hungry Valley-Maxey Ranch09/30/1972 08:0009/30/2021 08:00Yes
252Potrero Seco09/30/1974 08:0009/30/2021 08:00Yes
265Cobblestone Mountain09/30/1985 08:0009/30/2021 08:00Yes
266Old Man Mountain09/30/1985 08:0009/30/1991 08:00
268Last Chance (Type C)09/30/1989 08:0009/30/2021 08:00Yes
269Black Mountain09/30/1989 08:0009/30/2021 08:00Yes
270Matilija Divide09/30/1991 08:0009/30/1993 08:00
274Rancho Nuevo Creek09/30/1992 08:0009/30/1993 08:00
279Borracho Saddle (Type C)09/30/2006 08:0009/30/2021 08:00Yes

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 '.