diff --git a/apps/fo/app/components/common/CalcRainEffect.tsx b/apps/fo/app/components/common/CalcRainEffect.tsx
index faa3a5a38..7df07c71b 100644
--- a/apps/fo/app/components/common/CalcRainEffect.tsx
+++ b/apps/fo/app/components/common/CalcRainEffect.tsx
@@ -21,6 +21,10 @@ export default function CalcRainEffect(data : any, weather='ALL') {
 			} else {
 				item.rainEffectDay = 0;
 			}
+
+			if(item.infoRnDay == 'x'){
+				item.infoRnDay = '0.0';
+			}
 		}
 	}
 
diff --git a/apps/fo/app/pages/(with-layout)/rdi/page.tsx b/apps/fo/app/pages/(with-layout)/rdi/page.tsx
index 72b1f16a2..9f0fef1b3 100644
--- a/apps/fo/app/pages/(with-layout)/rdi/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/rdi/page.tsx
@@ -197,7 +197,7 @@ export default function Rdi() {
           <div className={widthSize}>
             <UiTable cellClick={ undefined } headName={"RDII추정"} tableData={mainList} headlist={upheadList} pageSize={10} total={total} resetPageNo={resetPage} onPageChange={handlePageChange} />
           </div>
-          <span className="text-2xl text-gray-500">※ 강우시 총 추정유입량 = 청천시 유입하수량 + RDII 추정값</span>
+          <span className="text-2xl text-gray-500">※ 강우시 총 추정유입량 = 청천시 유입하수량 + RDII 추정값</span><br></br>
           <span className="text-2xl text-gray-500">※ 주) 처리장 유입부에서 측정된 유량 및 수질조사 자료를 기준으로 산정된 결과임</span>
         </div>
       </ListDiv>
diff --git a/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx b/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
index e731fb7a3..458e2c656 100644
--- a/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
@@ -223,6 +223,7 @@ export default function UnderWaterInput() {
             <UiTable cellClick={(index: number | undefined) => index !== undefined && cellClick(index)} headName={"지하수유입량 추정"} tableData={mainList} headlist={upheadList} pageSize={10} total={total} resetPageNo={resetPage} onPageChange={handlePageChange} />
           </div>
         </div>
+        <span className="text-2xl text-gray-500">※연평균 유입하수량 = 연간 지하수유입량/연평균 유입하수량*100 </span><br></br>
         <span className="text-2xl text-gray-500">※지하수 유입량 = 하수처리장 청천시 실제유입량 - (물사용량 × 오수전환율)</span>
       </ListDiv>
       </ContentsDiv>
diff --git a/apps/fo/app/store/flowRate/index.tsx b/apps/fo/app/store/flowRate/index.tsx
index 011c08163..35e67815f 100644
--- a/apps/fo/app/store/flowRate/index.tsx
+++ b/apps/fo/app/store/flowRate/index.tsx
@@ -320,7 +320,7 @@ export const flowRateSearchReducer:(set:(fn: (state: FlowRateSearchType) => Flow
         searchFlowRateModalList: async (bscFctCd: string, searchYear: string) => {
             const res = await fetchFlowRateModalList(bscFctCd, searchYear);
             const data = CalcRainEffect(res.data);
-
+            
             const rtnData = data.map((item: FlowRateModalProps) => {
                 item.totInflAmnt = Number(item.inflAmnt || 0) + Number(item.sumFlow || 0) + Number(item.returnAmnt || 0)
                 dataFormSetting(item);
diff --git a/apps/fo/app/store/underWaterInput/index.tsx b/apps/fo/app/store/underWaterInput/index.tsx
index fb064deef..1587d6933 100644
--- a/apps/fo/app/store/underWaterInput/index.tsx
+++ b/apps/fo/app/store/underWaterInput/index.tsx
@@ -39,7 +39,7 @@ const upHeadList1:TableUpperProps[] = [
     { id: "bscFctNm", title: "시설명", row:0, rowSpan:2 },
     { id: "daddr", title: "주소", row:0, rowSpan:2 },
     { id: "fctCpc", title: "시설용량(m³/일)", align:"right", row:0, rowSpan:2 },
-    { id: "inflAmnt", title: "평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
+    { id: "inflAmnt", title: "연 평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
     { id: "C", title: "지하수 유입량 추정", align:"right", row:0, colSpan:3 },
     { id: "underWaterInputYear", title: "연간\n(m³/일)", align:"right", row:1 },
     { id: "underWaterInputSummer", title: "하절기\n(m³/일)", align:"right", row:1 },
@@ -55,7 +55,7 @@ const upHeadList2:TableUpperProps[] = [
     { id: "bscFctNm", title: "시설명", row:0, rowSpan:2 },
     { id: "daddr", title: "주소", row:0, rowSpan:2 },
     { id: "fctCpc", title: "시설용량(m³/일)", align:"right", row:0, rowSpan:2 },
-    { id: "inflAmnt", title: "평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
+    { id: "inflAmnt", title: "연 평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
     { id: "C", title: "지하수 유입량 추정", align:"right", row:0, colSpan:3 },
     { id: "underWaterInputYear", title: "연간\n(m³/일)", align:"right", row:1 },
     { id: "underWaterInputSummer", title: "하절기\n(m³/일)", align:"right", row:1 },
@@ -75,7 +75,7 @@ const upHeadList3:TableUpperProps[] = [
     { id: "bscFctNm", title: "시설명", row:0, rowSpan:2 },
     { id: "daddr", title: "주소", row:0, rowSpan:2 },
     { id: "fctCpc", title: "시설용량(m³/일)", align:"right", row:0, rowSpan:2 },
-    { id: "inflAmnt", title: "평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
+    { id: "inflAmnt", title: "연 평균유입하수량(m³/일)", align:"right", row:0, rowSpan:2 },
     { id: "C", title: "지하수 유입량 추정", align:"right", row:0, colSpan:3 },
     { id: "underWaterInputYear", title: "연간\n(m³/일)", align:"right", row:1 },
     { id: "underWaterInputSummer", title: "하절기\n(m³/일)", align:"right", row:1 },
@@ -418,6 +418,13 @@ export const underWaterReducer:(set:(fn: (state: UnderWaterType) => UnderWaterTy
                 }
 
             });
+
+            if(monthData.length == 0){
+                maxWaterUsage = 0;
+                avgWaterUsage = 0;
+                minWaterUsage = 0;
+            }
+            
             console.log('tot', tot, 'calData.length', calData.length);
             avgWaterUsage = tot/cnt;
             console.log(avgWaterUsage);