# Water Tank (https://logable.app/docs/reference/device-types/water-tank)

Water storage tanks with level monitoring.

## Metrics

| Field | Type | Required | Unit | Description |
| --- | --- | --- | --- | --- |
| level | number | Yes | % | Current water level as a percentage of capacity |
| status | string | No |  | Device status |

## Configuration

| Field | Type | Required | Default | Description |
| --- | --- | --- | --- | --- |
| capacity | number | No |  | Total capacity |
| capacityUnit | L, kL, m3 | Yes | L | Unit of measurement for capacity |
| location | string | No |  | Installation location |
| usableFloor | number | No |  | The lowest level, as a percentage, that you can actually draw down to. Leave blank if this tank can be drawn to zero. When set, the depletion estimate counts down to this value instead of zero. |

## Example payload

```json
{
  "timestamp": "2026-07-01T10:00:00.000Z",
  "status": "online",
  "data": {
    "level": 72.5,
    "status": "filling"
  }
}
```

For HTTP and MQTT code samples, see https://logable.app/docs/reference/device-types/water-tank.

## Guides

- [Water tank monitoring](https://logable.app/solutions/water-tank-monitoring)
- [Monitor a water tank remotely](https://logable.app/docs/guides/equipment/monitor-a-water-tank-remotely)