query & display flood zones

api.planx.uk/gis/digitalLand.ts

@@ -169,6 +169,16 @@ async function go(
       formattedResult[broads] = { fn: broads, value: false };
   }
 
+  // FLOODING
+  if (formattedResult["flood"] && formattedResult["flood"].value) {
+    ["flood.zone.1", "flood.zone.2", "flood.zone.3"].forEach((zone) => 
+      formattedResult[zone] = {
+        fn: zone,
+        value: Boolean(formattedResult["flood"].data?.filter((entity) => entity["flood-risk-level"] === zone.split(".").pop()).length),
+      },
+    );
+  }
+
   // --- LISTED BUILDINGS ---
   // TODO add granular variables to reflect grade (eg `listed.grade1`), not reflected in content yet though
 

api.planx.uk/gis/local_authorities/metadata/base.ts

@@ -133,22 +133,11 @@ const baseSchema: PlanningConstraintsBaseSchema = {
     "digital-land-datasets": ["ancient-woodland"],
     category: "Ecology",
   },
-  "flood.zone1": {
-    active: false,
-    neg: "is not within a Flood Zone 1 (low risk)",
-    pos: "is within a Flood Zone 1 (low risk)",
-    category: "Flooding",
-  },
-  "flood.zone2": {
-    active: false,
-    neg: "is not within a Flood Zone 2 (medium risk)",
-    pos: "is within a Flood Zone 2 (medium risk)",
-    category: "Flooding",
-  },
-  "flood.zone3": {
-    active: false,
-    neg: "is not within a Flood Zone 3 (high risk)",
-    pos: "is within a Flood Zone 3 (high risk)",
+  "flood": {
+    active: true,
+    neg: "is not in a Flood Risk Zone",
+    pos: "is in a Flood Risk Zone",
+    "digital-land-datasets": ["flood-risk-zone"],
     category: "Flooding",
   },
   "defence.explosives": {

editor.planx.uk/src/@planx/components/PlanningConstraints/List.tsx

@@ -23,6 +23,7 @@ const CATEGORY_COLORS: Record<string, string> = {
   "Heritage and conservation": "#EDDCD2",
   Ecology: "#E0EFCC",
   Trees: "#DBE7E4",
+  Flooding: "#ECECEC",
 };
 
 interface StyledConstraintProps extends BoxProps {