diff --git a/apps/fo/app/store/planSewage/index.tsx b/apps/fo/app/store/planSewage/index.tsx
index 29a919977..2fd9b531c 100644
--- a/apps/fo/app/store/planSewage/index.tsx
+++ b/apps/fo/app/store/planSewage/index.tsx
@@ -108,6 +108,17 @@ const fetchPlanSewageList = async (pageNo: number, pageSize: number, searchYear:
     return { data: res.data, count: res.count }
 }
 
+// 분류식화율 구하기 위한 api 호출
+const fetchPlanZoneList = async (searchYear: string, fcltCdList: string[]) => {
+    try {
+        const res = await postFetch('fo', '/prcsFclt/info/planZone/' + searchYear, fcltCdList);
+        return res;
+    } catch (error) {
+        console.error('시설정보 오수발생량 상세 데이터를 가져오는데 실패했습니다:', error);
+        return null;
+    }
+}
+
 // 시설들 유량 정보 조회 
 // export const fetchFlow = async (searchYear: string | undefined, fcltCdList: string[]): Promise<ApiResponse | null> => {
 //     try {
@@ -210,6 +221,7 @@ export const planSewageReducer: (set: (fn: (state: PlanSewageType) => PlanSewage
             }));
             const res = await fetchPlanSewageList(pageNo, pageSize, searchYear, partCd, nameCd, fcltCpct, operationValue, fcltyNm);
             const fcltylist = res.data; // 시설목록
+
             const fcltCdList: string[] = []; // 시설코드목록
             const planSewageList: PlanSewageProps[] = []; // 오수발생량시설목록
             fcltylist.forEach(item => {
@@ -228,8 +240,8 @@ export const planSewageReducer: (set: (fn: (state: PlanSewageType) => PlanSewage
                     rvbsn: item.rvbsn, //단위유역
                     lgbsn: item.lgbsn, //권역
                     mdmbsn: item.mdmbsn, //중권역
-                    sprtProcZoneAr: item.sprtProcZoneAr, // 분류식지역 면적(㎢)
-                    procZoneSm: item.procZoneSm, // 처리구역 면적합계(㎢)  
+                    sprtProcZoneAr: 0, // 분류식지역 면적(㎢)
+                    procZoneSm: 0, // 처리구역 면적합계(㎢)  
                     avgInflAmnt: 0,
                     avgInflAmntSunny: 0,
                     maxInflAmntSunny: 0,
@@ -239,6 +251,16 @@ export const planSewageReducer: (set: (fn: (state: PlanSewageType) => PlanSewage
             const excelDownList: ExcelType[] = [];
             // const data = res.data
 
+            const planZoneRes: any = await fetchPlanZoneList(searchYear, fcltCdList);
+            const planZoneList = planZoneRes?.data;
+            planZoneList?.forEach(item => {
+                const planSewageItem = planSewageList.find(item2 => item2.bscFctCd == item.bscFctCd);
+                if (planSewageItem) {
+                    planSewageItem.sprtProcZoneAr = item.sprtProcZoneAr;
+                    planSewageItem.procZoneSm = item.procZoneSm;
+                }
+            });
+
             const detailRes: any = await fetchFlow(searchYear, fcltCdList);
             for (const item of planSewageList) {
                 const detailList = detailRes?.data[item.bscFctCd];