diff --git a/data/fields/water_source.json b/data/fields/water_source.json
index cea55812..b0da623c 100644
--- a/data/fields/water_source.json
+++ b/data/fields/water_source.json
@@ -8,7 +8,8 @@
             "water_tank": "Water Tank",
             "pond": "Pond",
             "river": "River",
-            "stream": "Stream"
+            "stream": "Stream",
+            "groundwater": "Groundwater"
         }
     }
 }