diff --git a/include/epanet2.bas b/include/epanet2.bas
index 1d6072c..b786bc5 100644
--- a/include/epanet2.bas
+++ b/include/epanet2.bas
@@ -25,7 +25,6 @@ Public Const EN_SOURCEMASS = 13
 Public Const EN_INITVOLUME = 14
 Public Const EN_MIXMODEL = 15
 Public Const EN_MIXZONEVOL = 16
-
 Public Const EN_TANKDIAM = 17
 Public Const EN_MINVOLUME = 18
 Public Const EN_VOLCURVE = 19
@@ -37,6 +36,7 @@ Public Const EN_TANKVOLUME = 24
 Public Const EN_MAXVOLUME = 25
 Public Const EN_CANOVERFLOW = 26
 Public Const EN_DEMANDDEFICIT = 27 
+Public Const EN_NODE_INCONTROL = 28
 
 Public Const EN_DIAMETER = 0      ' Link parameters
 Public Const EN_LENGTH = 1
@@ -61,6 +61,7 @@ Public Const EN_PUMP_HCURVE = 19
 Public Const EN_PUMP_ECURVE = 20
 Public Const EN_PUMP_ECOST = 21
 Public Const EN_PUMP_EPAT = 22
+Public Const EN_LINK_INCONTROL = 23
 
 Public Const EN_DURATION = 0      ' Time parameters
 Public Const EN_HYDSTEP = 1
diff --git a/include/epanet2.pas b/include/epanet2.pas
index a532134..c1182ff 100644
--- a/include/epanet2.pas
+++ b/include/epanet2.pas
@@ -31,7 +31,6 @@ const
  EN_INITVOLUME = 14;
  EN_MIXMODEL   = 15;
  EN_MIXZONEVOL = 16;
-
  EN_TANKDIAM    = 17;
  EN_MINVOLUME   = 18;
  EN_VOLCURVE    = 19;
@@ -42,7 +41,8 @@ const
  EN_TANKVOLUME  = 24;
  EN_MAXVOLUME   = 25;
  EN_CANOVERFLOW = 26;
- EN_DEMANDDEFICIT = 27;  
+ EN_DEMANDDEFICIT = 27;
+ EN_NODE_INCONTROL = 28;
 
  EN_DIAMETER    = 0;    { Link parameters }
  EN_LENGTH      = 1;
@@ -67,6 +67,7 @@ const
  EN_PUMP_ECURVE = 20;
  EN_PUMP_ECOST  = 21;
  EN_PUMP_EPAT   = 22;
+ EN_LINK_INCONTROL = 23;
  
  EN_DURATION     = 0;  { Time parameters }
  EN_HYDSTEP      = 1;
diff --git a/include/epanet2.vb b/include/epanet2.vb
index bfe65c2..0b84386 100644
--- a/include/epanet2.vb
+++ b/include/epanet2.vb
@@ -29,7 +29,6 @@ Public Const EN_SOURCEMASS = 13
 Public Const EN_INITVOLUME = 14
 Public Const EN_MIXMODEL = 15
 Public Const EN_MIXZONEVOL = 16
-
 Public Const EN_TANKDIAM = 17
 Public Const EN_MINVOLUME = 18
 Public Const EN_VOLCURVE = 19
@@ -37,11 +36,11 @@ Public Const EN_MINLEVEL = 20
 Public Const EN_MAXLEVEL = 21
 Public Const EN_MIXFRACTION = 22
 Public Const EN_TANK_KBULK = 23
-
 Public Const EN_TANKVOLUME = 24
 Public Const EN_MAXVOLUME = 25
 Public Const EN_CANOVERFLOW = 26
-Public Const EN_DEMANDDEFICIT = 27 
+Public Const EN_DEMANDDEFICIT = 27
+Public Const EN_NODE_INCONTROL = 28
 
 Public Const EN_DIAMETER = 0      ' Link parameters
 Public Const EN_LENGTH = 1
@@ -59,7 +58,6 @@ Public Const EN_SETTING = 12
 Public Const EN_ENERGY = 13
 Public Const EN_LINKQUAL = 14
 Public Const EN_LINKPATTERN = 15
-
 Public Const EN_PUMP_STATE = 16
 Public Const EN_PUMP_EFFIC = 17
 Public Const EN_PUMP_POWER = 18
@@ -67,6 +65,7 @@ Public Const EN_PUMP_HCURVE = 19
 Public Const EN_PUMP_ECURVE = 20
 Public Const EN_PUMP_ECOST = 21
 Public Const EN_PUMP_EPAT = 22
+Public Const EN_LINK_INCONTROL = 23
 
 Public Const EN_DURATION = 0      ' Time parameters
 Public Const EN_HYDSTEP = 1
diff --git a/include/epanet2_enums.h b/include/epanet2_enums.h
index 32d8171..8956d7b 100644
--- a/include/epanet2_enums.h
+++ b/include/epanet2_enums.h
@@ -63,7 +63,8 @@ typedef enum {
   EN_TANKVOLUME   = 24, //!< Current computed tank volume (read only)
   EN_MAXVOLUME    = 25, //!< Tank maximum volume (read only)
   EN_CANOVERFLOW  = 26, //!< Tank can overflow (= 1) or not (= 0)
-  EN_DEMANDDEFICIT = 27 //!< Amount that full demand is reduced under PDA (read only)
+  EN_DEMANDDEFICIT = 27,//!< Amount that full demand is reduced under PDA (read only)
+  EN_NODE_INCONTROL = 28  //!< Is present in any simple or rule-based control (= 1) or not (= 0)
 } EN_NodeProperty;
 
 /// Link properties
@@ -94,7 +95,8 @@ typedef enum {
   EN_PUMP_HCURVE  = 19, //!< Pump head v. flow curve index
   EN_PUMP_ECURVE  = 20, //!< Pump efficiency v. flow curve index
   EN_PUMP_ECOST   = 21, //!< Pump average energy price
-  EN_PUMP_EPAT    = 22  //!< Pump energy price time pattern index
+  EN_PUMP_EPAT    = 22, //!< Pump energy price time pattern index
+  EN_LINK_INCONTROL = 23  //!< Is present in any simple or rule-based control (= 1) or not (= 0)
 } EN_LinkProperty;
 
 /// Time parameters
diff --git a/src/epanet.c b/src/epanet.c
index 46e7211..04d74af 100644
--- a/src/epanet.c
+++ b/src/epanet.c
@@ -2254,6 +2254,10 @@ int DLLEXPORT EN_getnodevalue(EN_Project p, int index, int property, double *val
             (hyd->NodeDemand[index] - hyd->EmitterFlow[index])) * Ucf[FLOW];
         break;
         
+    case EN_NODE_INCONTROL:
+        v = (double)incontrols(p, NODE, index);
+        break;
+        
     default:
         return 251;
     }
@@ -3787,6 +3791,10 @@ int DLLEXPORT EN_getlinkvalue(EN_Project p, int index, int property, double *val
         }
         break;
 
+    case EN_LINK_INCONTROL:
+        v = (double)incontrols(p, LINK, index);
+        break;
+        
     default:
         return 251;
     }