diff --git a/src/tespy/connections/connection.py b/src/tespy/connections/connection.py
index c24dc874..3406b5d5 100644
--- a/src/tespy/connections/connection.py
+++ b/src/tespy/connections/connection.py
@@ -45,6 +45,8 @@
 from tespy.tools.fluid_properties.functions import p_sat_T
 from tespy.tools.fluid_properties.helpers import get_mixture_temperature_range
 from tespy.tools.fluid_properties.helpers import single_fluid
+from tespy.tools.fluid_properties.mixtures import _water_in_mixture
+from tespy.tools.fluid_properties.mixtures import cond_check
 from tespy.tools.fluid_properties.wrappers import wrapper_registry
 from tespy.tools.global_vars import ERR
 from tespy.tools.global_vars import fluid_property_data as fpd
@@ -1534,6 +1536,22 @@ def calc_phase(self):
         except NotImplementedError:
             return np.nan
 
+    def calc_liquid_water_in_mixture(self):
+        fluid = single_fluid(self.fluid_data)
+        if fluid is None:
+            water_alias = _water_in_mixture(self.fluid_data)
+            if water_alias:
+                water_alias = next(iter(water_alias))
+                mass_fractions_gas, molar_fraction_gas, mass_liquid, _, p_sat, pp_water = cond_check(
+                    self.p.val_SI, self.calc_T(), self.fluid_data, water_alias
+                )
+                return mass_liquid
+            else:
+                return 0
+        else:
+            # not a mixture
+            return np.nan
+
     def calc_results(self, units):
         self.T.val_SI = self.calc_T()
         fluid = single_fluid(self.fluid_data)