Sameura Dam Monitor

Sameura Dam Monitor

Storage rates and related data for 125 dams in Japan including Sameura Dam

tecogonaz Science & Education

Download (9.0 MB)

Screenshots

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Description

TCSameuraDamMonitor fetches dam data published by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) Hydrological and Water Quality Database and displays storage rates and related data for 125 dams in Japan, including Sameura Dam.

Features:
* Real-time data — fetches and stores real-time data, showing storage rate, storage volume, inflow, discharge and basin-average rainfall
* Storage rate messages — displays status and messages based on the storage rate, customizable
* Historical data — fetches and stores past data for any period, with offline search (Sameura Dam only)
* Interactive graphs — graphs for real-time and historical data (rainfall/storage rate, storage volume/inflow/discharge)
* Home screen widget — check the real-time storage rate and message at a glance
* Auto update and notifications — background real-time data fetching and storage change notifications

Data sources: The app fetches official dam data published by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) of Japan. Real-time data is fetched by default via sudmonitor (https://sudmonitor.kusugami-lab.net), a self-hosted, non-official caching relay of the same MLIT data; the official MLIT sources can be selected instead in the app settings. Daily historical data is provided through the sudmonitor relay only. This app contains no ads, trackers or analytics.

Anti-Feature (NonFreeNet): the default connection to the self-hosted sudmonitor relay is classified as a non-free network service.

What’s new (1.0.0-beta.4)

Keep notification setting off by default and request permission only when enabling auto-update or alerts.

Anti-features

Properties of this app that are worth knowing about before installing.

  • NonFreeNet

Versions

Version Date Size Requires Android Download
1.0.0-beta.4 current
cae5158ade6057f3…
 2026-10-14 9.0 MB API 34

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Internet accessSend and receive data over the internet.
  • Network stateCheck whether and how the device is connected.
  • NotificationsShow notifications.
  • Run at startupStart automatically after the device is switched on.
  • Prevent sleepingKeep the device from going to sleep.
  • Foreground serviceKeep running in the background, visible in the status bar.
  • tcsameuradammonitor.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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