diff --git a/src/controllers/tanksController.js b/src/controllers/tanksController.js
index 6b633ec7..baac6874 100644
--- a/src/controllers/tanksController.js
+++ b/src/controllers/tanksController.js
@@ -316,11 +316,57 @@ exports.getTanklevels = async (req, reply) => {
     console.log("updated_data", updated_data);
 
     updated_data.forEach((tank) => {
-      const waterlevel = parseInt(tank.waterlevel.replace(/,/g, ''), 10);
-      const capacity = parseInt(tank.capacity.replace(/,/g, ''), 10);
+      const waterlevel = parseInt(tank.waterlevel ? tank.waterlevel.replace(/,/g, '') : '0', 10);
+      const capacity = parseInt(tank.capacity ? tank.capacity.replace(/,/g, '') : '0', 10);
+      const waterlevelPercentage = ((waterlevel / capacity) * 100).toFixed(2);
+      tank.waterlevelPercentage = waterlevelPercentage; // Add water level percentage to each tank object
       console.log(`Processing tank: ${tank.tankName}`);
-      console.log(`Type of Water: ${tank.typeOfWater}, Location: ${tank.tankLocation}, Waterlevel: ${waterlevel}, Capacity: ${capacity}`);
+      console.log(`Type of Water: ${tank.typeOfWater}, Location: ${tank.tankLocation}, Waterlevel: ${waterlevel}, Capacity: ${capacity}, Waterlevel Percentage: ${waterlevelPercentage}%`);
+
+      let totalInputPercentage = 0;
+      let inputCount = 0;
+      let totalOutputPercentage = 0;
+      let outputCount = 0;
+
+      // Calculate and add water level percentages for inputConnections
+      if (tank.connections.inputConnections) {
+        tank.connections.inputConnections.forEach(inputConnection => {
+          const inputWaterLevel = inputConnection.water_level ? parseInt(inputConnection.water_level.replace(/,/g, ''), 10) : 0;
+          const inputCapacity = inputConnection.capacity ? parseInt(inputConnection.capacity.replace(/,/g, ''), 10) : 0;
+
+          if (inputCapacity > 0) {
+            inputConnection.waterlevelPercentage = ((inputWaterLevel / inputCapacity) * 100).toFixed(2);
+            totalInputPercentage += parseFloat(inputConnection.waterlevelPercentage);
+            inputCount++;
+          } else {
+            inputConnection.waterlevelPercentage = null;
+          }
+        });
 
+        // Add the average input water level percentage to the tank's connections object
+        tank.connections.inputWaterlevelPercentage = inputCount > 0 ? (totalInputPercentage / inputCount).toFixed(2) : null;
+      }
+
+      // Calculate and add water level percentages for outputConnections
+      if (tank.connections.outputConnections) {
+        tank.connections.outputConnections.forEach(outputConnection => {
+          const outputWaterLevel = outputConnection.water_level ? parseInt(outputConnection.water_level.replace(/,/g, ''), 10) : 0;
+          const outputCapacity = outputConnection.capacity ? parseInt(outputConnection.capacity.replace(/,/g, ''), 10) : 0;
+
+          if (outputCapacity > 0) {
+            outputConnection.waterlevelPercentage = ((outputWaterLevel / outputCapacity) * 100).toFixed(2);
+            totalOutputPercentage += parseFloat(outputConnection.waterlevelPercentage);
+            outputCount++;
+          } else {
+            outputConnection.waterlevelPercentage = null;
+          }
+        });
+
+        // Add the average output water level percentage to the tank's connections object
+        tank.connections.outputWaterlevelPercentage = outputCount > 0 ? (totalOutputPercentage / outputCount).toFixed(2) : null;
+      }
+
+      // Summing up the total water levels and capacities
       if (tank.tankLocation === 'sump' && tank.typeOfWater === 'Drinking Water') {
         sumSumpDrinkingWater += waterlevel;
         sumSumpDrinkingWaterCapacity += capacity;
@@ -369,7 +415,6 @@ exports.getTanklevels = async (req, reply) => {
 
 
 
-
 const intervals = {};
 let sump_water_levels=[];
 let supplier_tanks = [];
diff --git a/src/models/tanks.js b/src/models/tanks.js
index d5dc5b16..8c753ece 100644
--- a/src/models/tanks.js
+++ b/src/models/tanks.js
@@ -32,68 +32,69 @@ const RoleSchema = new Schema({ name: String });
 
 
 const tanksSchema = new mongoose.Schema({
-    hardwareId: { type: String },
-    InstallerId: { type: String, default: null },
-    tankhardwareId: { type: String },
-    hardwareId_type: { type: String },
-    hardwareId_company: { type: String },
-    customerId: { type: String, default: null },
-    tankName: { type: String, default: null },
-    blockName: { type: String, default: null },
-    capacity: { type: String, default: "0" },
-    height: { type: String, default: "0" },
-    tankLocation: { type: String, default: null },
-    waterCapacityPerCm:{ type: String, default: "0" },
-    typeOfWater: { type: String, default: null },
-    waterlevel: { type: String, default: "0" },
-    waterlevel_at_midnight:{ type: String,default:"0" },
-    total_water_added_from_midnight:{ type: String,default:"0" },
-    auto_min_percentage :{ type: String, default: "20" },
-    reserved_percentage:{type: String,default:"20"},
-    auto_max_percentage :{ type: String, default: "80" },
-     
-    connections: {
-      source: { type: String },
-      inputConnections: [
-        {
-          inputConnections: { type: String },
-          input_type: { type: String },
-          inputismotor: { type: Boolean, },
-          motor_id:{ type: String ,default: null},
-          motor_status: { type: String, default: "0" },
-          auto_mode:{type:String,default:"inactive"},
-          motor_stop_status: { type: String, default: "1" },
-          motor_on_type :{ type: String, default: "manual" },
-          capacity:{ type: String ,default: null},
-          water_level:{ type: String ,default: null}, 
-          manual_threshold_percentage:{type: String, default: "90"},
-          manual_threshold_time:{type: String, default: null},
-          threshold_type:{type: String, default: "percentage"},
-          startTime:{type: String,default:null},
-          start_instance_id:{type:String,default:null},
-          stopTime:{type: String,default:null}
-        }
-      ],
-      outputConnections: [
-        {
-          outputConnections: { type: String },
-          output_type: { type: String },
-          outputismotor: { type: Boolean, },
-          motor_id:{ type: String ,default: null},
-          motor_status: { type: String, default: "0" },
-          motor_stop_status: { type: String, default: "1" },
-          capacity:{ type: String ,default: null},
-          water_level:{ type: String ,default: null},
-          manual_threshold_percentage:{type: String, default: "90"},
-          manual_threshold_time:{type: String, default: null},
-          threshold_type:{type: String, default: "percentage"},
-          
-        }
-      ]
-    }
-  });
-  
-  
+  hardwareId: { type: String },
+  InstallerId: { type: String, default: null },
+  tankhardwareId: { type: String },
+  hardwareId_type: { type: String },
+  hardwareId_company: { type: String },
+  customerId: { type: String, default: null },
+  tankName: { type: String, default: null },
+  blockName: { type: String, default: null },
+  capacity: { type: String, default: "0" },
+  height: { type: String, default: "0" },
+  tankLocation: { type: String, default: null },
+  waterCapacityPerCm: { type: String, default: "0" },
+  typeOfWater: { type: String, default: null },
+  waterlevel: { type: String, default: "0" },
+  waterlevel_at_midnight: { type: String, default: "0" },
+  total_water_added_from_midnight: { type: String, default: "0" },
+  auto_min_percentage: { type: String, default: "20" },
+  reserved_percentage: { type: String, default: "20" },
+  auto_max_percentage: { type: String, default: "80" },
+  connections: {
+    source: { type: String },
+    inputConnections: [
+      {
+        inputConnections: { type: String },
+        input_type: { type: String },
+        inputismotor: { type: Boolean },
+        motor_id: { type: String, default: null },
+        motor_status: { type: String, default: "0" },
+        auto_mode: { type: String, default: "inactive" },
+        motor_stop_status: { type: String, default: "1" },
+        motor_on_type: { type: String, default: "manual" },
+        capacity: { type: String, default: null },
+        water_level: { type: String, default: null },
+        manual_threshold_percentage: { type: String, default: "90" },
+        manual_threshold_time: { type: String, default: null },
+        threshold_type: { type: String, default: "percentage" },
+        startTime: { type: String, default: null },
+        start_instance_id: { type: String, default: null },
+        stopTime: { type: String, default: null },
+        waterlevelPercentage: { type: String, default: null } 
+      }
+    ],
+    outputConnections: [
+      {
+        outputConnections: { type: String },
+        output_type: { type: String },
+        outputismotor: { type: Boolean },
+        motor_id: { type: String, default: null },
+        motor_status: { type: String, default: "0" },
+        motor_stop_status: { type: String, default: "1" },
+        capacity: { type: String, default: null },
+        water_level: { type: String, default: null },
+        manual_threshold_percentage: { type: String, default: "90" },
+        manual_threshold_time: { type: String, default: null },
+        threshold_type: { type: String, default: "percentage" },
+        waterlevelPercentage: { type: String, default: null } 
+      }
+    ],
+    inputWaterlevelPercentage: { type: String, default: null }, 
+    outputWaterlevelPercentage: { type: String, default: null } 
+  }
+});
+
 
 
 const motordataSchema = new mongoose.Schema({