diff --git a/src/lib/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfService.java b/src/lib/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfService.java
index e3f502942a1d701d213bac01a172fc8ea7e1f08f..e487f79b241d4c9ed5e55291a38e1a6b19fcd2b6 100644
--- a/src/lib/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfService.java
+++ b/src/lib/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfService.java
@@ -198,12 +198,15 @@ public abstract class NetcdfService<T extends Query> {
   }
 
   static class ResponseMetadata {
+    public NehrpSiteClass siteClass;
     public String xLabel;
     public String yLabel;
 
     ResponseMetadata(
+        NehrpSiteClass siteClass,
         String xLabel,
         String yLabel) {
+      this.siteClass = siteClass;
       this.xLabel = xLabel;
       this.yLabel = yLabel;
     }