Irrigated agriculture fields in Ventura County

Water data

Ventura County water data: streamflow, rainfall, drought, and evapotranspiration.

Track VCPWA streamflow and rainfall, CIMIS evapotranspiration, and weekly U.S. Drought Monitor signals for Ventura County decision-making.

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Water metrics

Track what is moving across Ventura County.

Daily hydrology from VCPWA gages, CIMIS evapotranspiration, and weekly drought status are combined so coalition partners can see shifts quickly.

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ZIP choropleth

Water demand signals by ZIP

Source: California DWR CIMIS (daily evapotranspiration + precipitation).

Live conditions (Google)

Ventura County weather context

Current: 58°F · Mostly cloudy · 95% humidity

Wind: 5 mph · 10% precip

AQI: 81 · Excellent air quality

View location map

Daily heatmap

Streamflow pattern

Source: VCPWA Hydrology

Daily heatmap

Rainfall pattern

Source: VCPWA Hydrology

Daily streamflow (VCPWA)

Daily average flow across Ventura County stream gages.

Source: VCPWA Hydrology

Interactive view · select a time range below.

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Daily rainfall totals (VCPWA)

Daily rainfall totals by station.

Source: VCPWA Hydrology

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US Drought Monitor: D0 (sq mi)

Area in abnormally dry conditions (weekly).

Source: US Drought Monitor

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US Drought Monitor: D2 (sq mi)

Area in severe drought conditions (weekly).

Source: US Drought Monitor

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Data sources

Every station, tracked.

All Ventura County stations from VCPWA plus statewide drought monitoring sources.

CIMIS ZIP Daily Signals

CA Dept. of Water Resources · API/CSV · Cadence: Daily · Next: January 3, 2026

Latest data: Jan 17, 2026 · Checked: Mar 2, 2026 · Lag: <1 day

USGS Daily Water Data

USGS · API · Cadence: Daily · Next: January 3, 2026

Latest data: Dec 29, 2025 · Checked: Mar 2, 2026 · Lag: <1 day for provisional; approved after review

VCPWA Daily Rainfall

Ventura County Public Works Agency · CSV download · Cadence: Daily · Next: Within hours (near real-time)

Latest data: Mar 1, 2026 · Checked: Mar 2, 2026 · Lag: Hours

VCPWA Daily Streamflow

Ventura County Public Works Agency · CSV download · Cadence: Daily · Next: Within hours (near real-time)

Latest data: Mar 1, 2026 · Checked: Mar 2, 2026 · Lag: Hours

CDEC Sensor Data

CA Dept. of Water Resources · CSV API · Cadence: Near-real-time · Next: Within hours (near real-time)

Latest data: Dec 31, 2025 · Checked: Mar 2, 2026 · Lag: Hours

Water Quality Portal Results

EPA/USGS/USDA · API · Cadence: Variable · Next: January 7, 2026 (next Wed refresh)

Latest data: Mar 1, 2026 · Checked: Mar 2, 2026 · Lag: Days to weeks (depends on agency submissions)