Spain's reservoirs at a glance, on your phone

MITECO's weekly data in one clear dashboard: current status, history, and comparisons — even offline.

PantanOS showing the home screen with Spain's featured reservoirs

How it works

Three steps, zero spreadsheets.

Browse by area

From Spain to basin, region, province, or a single reservoir.

See the status

Volume, fill level, week-over-week change and historical percentile for each reservoir.

Keep your favourites

Track the reservoirs that matter, even offline, with the latest downloaded data.

Why PantanOS

Built for anyone who wants to understand — and enjoy — Spain's public water data.

Works offline

The latest data travels with you. No signal? Still got reservoirs.

History & comparisons

Trend charts, current year vs. previous, and 10-year averages.

Favourites

Star the reservoirs you care about and check their status at a glance.

Official data, modern UI

Straight from MITECO's Weekly Hydrological Bulletin — no PDFs, no legacy viewers.

Ready to follow Spain's water?

Get it on Google Play