diff --git a/homeassistant/components/watergate/sensor.py b/homeassistant/components/watergate/sensor.py
index 82ac7cfea92..638bf297415 100644
--- a/homeassistant/components/watergate/sensor.py
+++ b/homeassistant/components/watergate/sensor.py
@@ -56,7 +56,7 @@ class WatergateSensorEntityDescription(SensorEntityDescription):
 DESCRIPTIONS: list[WatergateSensorEntityDescription] = [
     WatergateSensorEntityDescription(
         value_fn=lambda data: (
-            data.state.water_meter.duration
+            data.state.water_meter.volume
             if data.state and data.state.water_meter
             else None
         ),
diff --git a/tests/components/watergate/snapshots/test_sensor.ambr b/tests/components/watergate/snapshots/test_sensor.ambr
index a8969798105..479a879a583 100644
--- a/tests/components/watergate/snapshots/test_sensor.ambr
+++ b/tests/components/watergate/snapshots/test_sensor.ambr
@@ -352,7 +352,7 @@
     'last_changed': <ANY>,
     'last_reported': <ANY>,
     'last_updated': <ANY>,
-    'state': '100',
+    'state': '1.2',
   })
 # ---
 # name: test_sensor[sensor.sonic_water_pressure-entry]