diff --git a/server/monitor/src/main/resources/org/apache/accumulo/monitor/resources/js/ec.js b/server/monitor/src/main/resources/org/apache/accumulo/monitor/resources/js/ec.js
index 1a4087ca2ff..4c32a8bd333 100644
--- a/server/monitor/src/main/resources/org/apache/accumulo/monitor/resources/js/ec.js
+++ b/server/monitor/src/main/resources/org/apache/accumulo/monitor/resources/js/ec.js
@@ -36,6 +36,7 @@ $(function () {
   $.fn.dataTable.ext.errMode = 'throw';
 
   compactorsTable = $('#compactorsTable').DataTable({
+    "autoWidth": false,
     "ajax": {
       "url": contextPath + 'rest/ec/compactors',
       "dataSrc": "compactors"
@@ -72,10 +73,12 @@ $(function () {
   const hostnameColumnName = 'hostname';
   const queueNameColumnName = 'queueName';
   const tableIdColumnName = 'tableId';
+  const ecidColumnName = 'ecid';
   const durationColumnName = 'duration';
 
   // Create a table for running compactors
   runningTable = $('#runningTable').DataTable({
+    "autoWidth": false,
     "ajax": {
       "url": contextPath + 'rest/ec/running',
       "dataSrc": "running"
@@ -115,6 +118,10 @@ $(function () {
         "data": "tableId",
         "name": tableIdColumnName
       },
+      {
+        "data": "ecid",
+        "name": ecidColumnName
+      },
       {
         "data": "numFiles"
       },
@@ -179,6 +186,10 @@ $(function () {
     handleFilterKeyup.call(this, this.value, $('#tableid-feedback'), tableIdColumnName);
   });
 
+  $('#ecid-filter').on('keyup', function () {
+    handleFilterKeyup.call(this, this.value, $('#ecid-feedback'), ecidColumnName);
+  });
+
   $('#duration-filter').on('keyup', function () {
     runningTable.draw();
   });
@@ -191,6 +202,7 @@ $(function () {
     $('#hostname-filter').val('').trigger('keyup');
     $('#queue-filter').val('').trigger('keyup');
     $('#tableid-filter').val('').trigger('keyup');
+    $('#ecid-filter').val('').trigger('keyup');
     $('#duration-filter').val('').trigger('keyup');
 
     $(this).prop('disabled', false); // re-enable the clear
@@ -274,6 +286,7 @@ $(function () {
 
   // Create a table for compaction coordinator
   coordinatorTable = $('#coordinatorTable').DataTable({
+    "autoWidth": false,
     "ajax": {
       "url": contextPath + 'rest/ec',
       "dataSrc": function (data) {
diff --git a/server/monitor/src/main/resources/org/apache/accumulo/monitor/templates/ec.ftl b/server/monitor/src/main/resources/org/apache/accumulo/monitor/templates/ec.ftl
index b1bd312acdf..744bd4a9577 100644
--- a/server/monitor/src/main/resources/org/apache/accumulo/monitor/templates/ec.ftl
+++ b/server/monitor/src/main/resources/org/apache/accumulo/monitor/templates/ec.ftl
@@ -96,6 +96,12 @@
                           <input type="text" id="tableid-filter" class="form-control" placeholder="Enter table ID regex">
                           <small id="tableid-feedback" class="form-text text-danger" style="display:none;">Invalid regex pattern</small>
                         </div>
+                        <!-- ECID Filter -->
+                        <div class="mb-3">
+                          <label for="ecid-filter" class="form-label">ECID Filter</label>
+                          <input type="text" id="ecid-filter" class="form-control" placeholder="Enter ECID regex">
+                          <small id="ecid-feedback" class="form-text text-danger" style="display:none;">Invalid regex pattern</small>
+                        </div>
                         <!-- Duration Filter -->
                         <div class="mb-3">
                           <label for="duration-filter" class="form-label">Duration Filter</label>
@@ -119,6 +125,7 @@
                   <th title="The status returned by the last update.">Status</th>
                   <th title="The name of the queue this compactor is assigned.">Queue</th>
                   <th title="The ID of the table being compacted.">Table ID</th>
+                  <th title="The ID of the running external compaction.">ECID</th>
                   <th title="The number of files being compacted."># of Files</th>
                   <th title="The progress of the compaction." class="progBar">Progress</th>
                   <th class="duration" title="The time of the last update for the compaction">Last Update</th>