diff --git a/apps/st/src/components/statistics/input/ExcretaTreatmentFacilityInp.tsx b/apps/st/src/components/statistics/input/ExcretaTreatmentFacilityInp.tsx
index 2b5eb6dc5..8aa9b1231 100644
--- a/apps/st/src/components/statistics/input/ExcretaTreatmentFacilityInp.tsx
+++ b/apps/st/src/components/statistics/input/ExcretaTreatmentFacilityInp.tsx
@@ -872,6 +872,7 @@ const ExcretaTreatmentFacilityInp = () => {
         flushSync(() => {
             setSggOptions(list);
             setRowData([...currentRows, newRow]);
+            setIsNotApplicable(false);
         });
     };
 
diff --git a/apps/st/src/components/statistics/input/PumpingStationInp.tsx b/apps/st/src/components/statistics/input/PumpingStationInp.tsx
index 09910a3df..0ba599429 100644
--- a/apps/st/src/components/statistics/input/PumpingStationInp.tsx
+++ b/apps/st/src/components/statistics/input/PumpingStationInp.tsx
@@ -856,6 +856,7 @@ const PumpingStationInp = () => {
         flushSync(() => {
             setSggOptions(list);
             setRowData([...currentRows, newRow]);
+            setIsNotApplicable(false);
         });
     };
 
diff --git a/apps/st/src/components/statistics/input/SewageExcretaRelatedInp.tsx b/apps/st/src/components/statistics/input/SewageExcretaRelatedInp.tsx
index 974b47556..6fc83def9 100644
--- a/apps/st/src/components/statistics/input/SewageExcretaRelatedInp.tsx
+++ b/apps/st/src/components/statistics/input/SewageExcretaRelatedInp.tsx
@@ -1681,12 +1681,6 @@ const SewageExcretaRelatedInp = () => {
             return;
         }
 
-        const noApplicable = isNotApplicableByTab.get(tabKey) ?? false;
-        if (noApplicable) {
-            alert("해당사항 없음이 체크된 상태에서는 항목을 추가할 수 없습니다.");
-            return;
-        }
-
         let list = sggOptions;
         if (sggOptionsSidoRef.current !== ctx.sido || list.length === 0) {
             list = await loadSggOptions(ctx.sido);
@@ -1715,6 +1709,7 @@ const SewageExcretaRelatedInp = () => {
                 next.set(tabKey, [...currentRows, newRow]);
                 return next;
             });
+            setIsNotApplicableForTab(tabKey, false);
         });
 
         commitToolbarSnapshotForLoadedTab(
diff --git a/apps/st/src/components/statistics/input/SewageExcretaSlurgeInp.tsx b/apps/st/src/components/statistics/input/SewageExcretaSlurgeInp.tsx
index 90ad9e99c..4ddc75984 100644
--- a/apps/st/src/components/statistics/input/SewageExcretaSlurgeInp.tsx
+++ b/apps/st/src/components/statistics/input/SewageExcretaSlurgeInp.tsx
@@ -1809,6 +1809,7 @@ const SewageExcretaSlurgeInp = () => {
                 next.set(tabKey, [...currentRows, newRow]);
                 return next;
             });
+            setIsNotApplicableForTab(tabKey, false);
         });
 
         const statusInfo = tabStatusInfoMap.get(tabKey) ?? null;
diff --git a/apps/st/src/components/statistics/input/SewageReservoirPumpInp.tsx b/apps/st/src/components/statistics/input/SewageReservoirPumpInp.tsx
index 6d0f8104b..80a9eb537 100644
--- a/apps/st/src/components/statistics/input/SewageReservoirPumpInp.tsx
+++ b/apps/st/src/components/statistics/input/SewageReservoirPumpInp.tsx
@@ -1426,6 +1426,7 @@ const SewageReservoirPumpInp = () => {
                 next.set(tabKey, [...currentRows, newRow]);
                 return next;
             });
+            setIsNotApplicableForTab(tabKey, false);
         });
 
         const statusInfo = tabStatusInfoMap.get(tabKey) ?? null;
diff --git a/apps/st/src/components/statistics/input/WaterReuseInp.tsx b/apps/st/src/components/statistics/input/WaterReuseInp.tsx
index d3ef54a83..d003934bc 100644
--- a/apps/st/src/components/statistics/input/WaterReuseInp.tsx
+++ b/apps/st/src/components/statistics/input/WaterReuseInp.tsx
@@ -117,7 +117,10 @@ const ARTICLE_EDIT_TAB_KEYS = new Set<string>([
     TreatWaterReuseBusinessApprStatusInpColumn.tabKey,
 ]);
 
-const NO_APPLICABLE_TAB_KEYS = ARTICLE_EDIT_TAB_KEYS;
+const NO_APPLICABLE_TAB_KEYS = new Set<string>([
+    PublicSewageTreatWaterReuseInpColumn.tabKey,
+    ...ARTICLE_EDIT_TAB_KEYS,
+]);
 
 const WATER_REUSE_TAB_BY_KEY = new Map(
     WaterReuseInpTabList.map((tab) => [tab.tabKey, tab]),
@@ -1073,19 +1076,11 @@ const WaterReuseInp = () => {
                 return;
             }
 
-            if (isPublicSewageTab) {
-                const currentData = getTabGridRows(tabKey);
-                if (currentData.length === 0) {
-                    alert("제출할 데이터가 없습니다.");
-                    return;
-                }
-            } else {
-                const noApplicable = isNotApplicableByTab.get(tabKey) ?? false;
-                const currentData = getTabGridRows(tabKey);
-                if (!noApplicable && currentData.length === 0) {
-                    alert("해당사항 없음을 체크해주세요.");
-                    return;
-                }
+            const noApplicable = isNotApplicableByTab.get(tabKey) ?? false;
+            const currentData = getTabGridRows(tabKey);
+            if (!noApplicable && currentData.length === 0) {
+                alert("해당사항 없음을 체크해주세요.");
+                return;
             }
 
             if (await confirm("제출 하시겠습니까?")) {
@@ -1179,17 +1174,20 @@ const WaterReuseInp = () => {
             };
 
             if (isPublicSewageTab) {
+                const noApplicable = isNotApplicableByTab.get(tabKey) ?? false;
                 const currentData = getTabGridRows(tabKey);
-                const submitList = currentData.map(buildPublicSewageTreatWaterReuseSaveItem);
-                if (submitList.length === 0) {
-                    alert("제출할 데이터가 없습니다.");
+                const submitList = noApplicable
+                    ? []
+                    : currentData.map(buildPublicSewageTreatWaterReuseSaveItem);
+                if (!noApplicable && submitList.length === 0) {
+                    alert("해당사항 없음을 체크해주세요.");
                     return;
                 }
 
                 response = await statisticsInputWaterReuseApi.submitPublicSewageTreatWaterReuse({
                     ...submitRequestBase,
                     userId: userInfo.userUnqId,
-                    noApplicable: false,
+                    noApplicable,
                     submitList,
                 });
             } else {
@@ -1420,9 +1418,13 @@ const WaterReuseInp = () => {
             };
 
             if (tabKey === PublicSewageTreatWaterReuseInpColumn.tabKey) {
+                const noApplicable = isNotApplicableByTab.get(tabKey) ?? false;
                 const currentData = getTabGridRows(tabKey);
-                if (currentData.length === 0) {
-                    alert("저장할 데이터가 없습니다.");
+                const saveList = noApplicable
+                    ? []
+                    : currentData.map(buildPublicSewageTreatWaterReuseSaveItem);
+                if (!noApplicable && saveList.length === 0) {
+                    alert("해당사항 없음을 체크해주세요.");
                     return;
                 }
 
@@ -1433,8 +1435,8 @@ const WaterReuseInp = () => {
                         await statisticsInputWaterReuseApi.savePublicSewageTreatWaterReuse({
                             ...requestBase,
                             userId: userInfo.userUnqId,
-                            noApplicable: false,
-                            saveList: currentData.map(buildPublicSewageTreatWaterReuseSaveItem),
+                            noApplicable,
+                            saveList,
                         });
 
                     if (response.status === "success") {
@@ -1792,6 +1794,7 @@ const WaterReuseInp = () => {
                 next.set(tabKey, [...currentRows, newRow]);
                 return next;
             });
+            setIsNotApplicableForTab(tabKey, false);
         });
 
         const statusInfo = tabStatusInfoMap.get(tabKey) ?? null;