cVDistrict ExplorerconciseVerbosity Here for the crops? Open the Crop Explorer

District Explorer

California's water and irrigation districts, one district at a time.

A free tool for exploring the state's irrigation and water districts with California's public data, built to be shown on a screen, printed for a board packet, or linked in an update.

Much of the water that reaches California farms is delivered by local districts, and each one sits in its own mix of counties, groundwater basins, crops, and supply contracts. The facts that describe a district are spread across DWR boundary maps and water use reports, county crop reports, groundwater sustainability plan annual reports, and reservoir and allocation records, and they are rarely seen together.

The explorer puts them on one page per district: where it sits, what it grows, how much water it applies, how its groundwater basin is doing, and what supply looks like this season. Find a district by name, county, subbasin, or groundwater agency, or select it on the map. Each district also has a printable fact sheet for boards, growers, legislators, and reporters.

Find a district

County Groundwater subbasin Groundwater agency (GSA) Hydrologic region Purpose District type

Each outline is a district, colored by purpose. Select one on the map to open it.

Agricultural water suppliersMixed urban and agriculturalUrban and community suppliersRegional wholesale and flood control agenciesPurpose comes from the district's agricultural water reporting and the cropland inside its boundary; the Purpose filter lights one class.

Crops inside the district

Mapped crop acreage

Leading crops

Why these crops matter

Water footprint

Crop Quantity (lb)

County crop report

District water use

Applied water by year

Year	Applied water (AF)	Irrigated acres	AF per acre

Water supply

Where the district's water comes from

DistrictCanals and aqueductsPoints of diversion (district water rights)Streamgauges

Federal and state project contracts

Project	Contract	Amount (AF)

Sources under the district's water rights

Source	Rights	Earliest priority	Reported AF/yr

Water supply

Conditions now and this season

Reservoirs

Rivers near the district

Precipitation

Groundwater

Basins and agencies

Gain in storage (AF)Loss in storage (AF)

Water year	Total use (AF)	Groundwater share	Change in storage (AF)

Where the district sits

Watersheds and representation

In the news

Recent coverage