diff --git a/src/View/Results/PlotAC.py b/src/View/Results/PlotAC.py
index b2324a9b..5c8cf4d9 100644
--- a/src/View/Results/PlotAC.py
+++ b/src/View/Results/PlotAC.py
@@ -16,6 +16,8 @@
 
 # -*- coding: utf-8 -*-
 
+import numpy as np
+
 from tools import timer
 from View.Tools.PamhyrPlot import PamhyrPlot
 from matplotlib import pyplot as plt
@@ -103,11 +105,20 @@ class PlotAC(PamhyrPlot):
             color=self.color_plot_river_bottom,
         )
 
+    @timer
     def draw_water_elevation(self, reach, profile):
+        result = self.results[self._current_res_id]
+
         x = profile.geometry.get_station()
         z = profile.geometry.z()
         rk = reach.geometry.get_rk()
-        water_z = profile.get_ts_key(self._current_timestamp, "Z")
+        water_z = result.get("table")["Z"][
+            result.get_timestamp_id(
+                self._current_timestamp
+            ),
+            profile.global_index
+        ]
+        # water_z = profile.get_ts_key(self._current_timestamp, "Z")
 
         self.water, = self.canvas.axes.plot(
             [min(x),  max(x)], [water_z, water_z],
@@ -123,11 +134,18 @@ class PlotAC(PamhyrPlot):
         )
         self.liste_chemins = self.collection.get_paths()
 
+    @timer
     def draw_water_elevation_max(self, reach, profile):
+        result = self.results[self._current_res_id]
+
         x = profile.geometry.get_station()
         z = profile.geometry.z()
         rk = reach.geometry.get_rk()
-        water_z = max(profile.get_key("Z"))
+
+        water_z = np.max(
+            result.get("table")["Z"][:, profile.global_index]
+        )
+        # water_z = max(profile.get_key("Z"))
 
         self.water_max, = self.canvas.axes.plot(
             [min(x),  max(x)], [water_z, water_z],
@@ -262,7 +280,15 @@ class PlotAC(PamhyrPlot):
         self.line_rk.set_data(x, z)
 
     def update_water(self, reach, profile, x, z):
-        water_z = profile.get_ts_key(self._current_timestamp, "Z")
+        result = self.results[self._current_res_id]
+        water_z = result.get("table")["Z"][
+            result.get_timestamp_id(
+                self._current_timestamp
+            ),
+            profile.global_index
+        ]
+        # water_z = profile.get_ts_key(self._current_timestamp, "Z")
+
         self.water.set_data(
             [min(x),  max(x)],
             [water_z, water_z]
@@ -277,7 +303,12 @@ class PlotAC(PamhyrPlot):
         )
 
     def update_water_max(self, reach, profile, x, z):
-        water_z = max(profile.get_key("Z"))
+        result = self.results[self._current_res_id]
+        water_z = np.max(
+            result.get("table")["Z"][:, profile.global_index]
+        )
+        # water_z = max(profile.get_key("Z"))
+
         self.water_max.set_data(
             [min(x),  max(x)],
             [water_z, water_z]