diff --git a/apps/fo/app/pages/(with-layout)/flowRate/modal/page.tsx b/apps/fo/app/pages/(with-layout)/flowRate/modal/page.tsx
index 30b97c945..42512f802 100644
--- a/apps/fo/app/pages/(with-layout)/flowRate/modal/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/flowRate/modal/page.tsx
@@ -25,6 +25,8 @@ const tabList = [
   { value: 'tab_term_rain', label: '강우시' }
 ];
 
+const commentArray = "[미처리하수 추정량 산식 =[(강우시 일별유입유량*강우시 일별유입BOD)-(청천시 연평균유입유량*청천시 연평균유입BOD)]/강우시 일별유입BOD)]";
+
 export default function FlowRateModal(props: { fcltyName: string; facilityCd: string; searchYear: string }) {
   // 그리드 관련
   const { Common, FlowRateModal, searchFlowRateModalList } = useFoStore((state) => state);
@@ -192,12 +194,13 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
           "연계처리량(m³/일)": CommaToNumber(item.sumFlow),
           "총인반류수량(m³/일)": CommaToNumber(item.returnAmnt),
           "방류량(m³/일)": CommaToNumber(item.efflAmnt),
-          /* "강우량(mm/일)": item.infoRnDay, */
+          "미처리하수 추정량(m³/일)": CommaToNumber(item.noProcessInflAmnt),
+          "강우량(mm/일)": CommaToNumber(item.infoRnDay),
         });
       });
     }
     if (excelDownList && excelDownList.length > 0) {
-      downloadExcel({ data: JSON.parse(JSON.stringify(excelDownList)), fileName: props.searchYear+'년 '+props.fcltyName + ' 유량현황', sheetNameArray: [props.fcltyName + ' 유량현황'], headerRange: 'A1:G1' });
+      downloadExcel({ data: JSON.parse(JSON.stringify(excelDownList)), fileName: props.searchYear+'년 '+props.fcltyName + ' 유량현황', sheetNameArray: [props.fcltyName + ' 유량현황'], headerRange: 'A1:H1' });
     } else if (prevExcelListRef.current && prevExcelListRef.current.length > 0) {
       alert('다운받을 데이터가 없습니다.');
     }
@@ -233,6 +236,9 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
               boldArray={[0,1,2]}
             />
           </div>
+          <div className="mt-20">
+            <UnderComment commentArray={[commentArray]} />
+          </div>
         </TabsContent>
         <TabsContent value="tab_term_summer">
           <FacilityTermModalHeader<FlowRateModalInterface>
@@ -257,6 +263,9 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
               boldArray={[0,1,2]}
             />
           </div>
+          <div className="mt-20">
+            <UnderComment commentArray={[commentArray]} />
+          </div>
         </TabsContent>
         <TabsContent value="tab_term_winter">
           <FacilityTermModalHeader<FlowRateModalInterface>
@@ -281,6 +290,9 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
               boldArray={[0,1,2]}
             />
           </div>
+          <div className="mt-20">
+            <UnderComment commentArray={[commentArray]} />
+          </div>
         </TabsContent>
         <TabsContent value="tab_term_chuncheon">  
           <FacilityTermModalHeader<FlowRateModalInterface>
@@ -305,6 +317,9 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
               boldArray={[0,1,2]}
             />
           </div>
+          <div className="mt-20">
+            <UnderComment commentArray={[commentArray]} />
+          </div>
         </TabsContent>
         <TabsContent value="tab_term_rain">
           <FacilityTermModalHeader<FlowRateModalInterface>
@@ -319,7 +334,9 @@ export default function FlowRateModal(props: { fcltyName: string; facilityCd: st
           <div className="h-[370px] overflow-y-auto overflow-x-hidden">
             <UiTable headName="유량현황" tableData={copyYearList} headlist={upHeadListFlowRateModalYear} pageSize={0} total={0} cellClick={undefined} onPageChange={() => {}} className="h-[370px]" boldArray={[0,1,2]}/>
           </div>
-          <UnderComment commentArray={["강우량 3mm 이상만 날과 강우영향일(강우일+2일)의 날"]} />
+          <div className="mt-20">
+            <UnderComment commentArray={["미처리하수 추정량 산식 =[(강우시 일별유입유량*강우시 일별유입BOD)-(청천시 연평균유입유량*청천시 연평균유입BOD)]/강우시 일별유입BOD)","강우량 3mm 이상만 날과 강우영향일(강우일+2일)의 날"]} />
+          </div>
         </TabsContent>
       </UITab>
     </>
diff --git a/apps/fo/app/pages/(with-layout)/rdi/page.tsx b/apps/fo/app/pages/(with-layout)/rdi/page.tsx
index c2109ad6a..72373f60f 100644
--- a/apps/fo/app/pages/(with-layout)/rdi/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/rdi/page.tsx
@@ -14,6 +14,7 @@ import LoadingOverlay from "@common/business_components/ui/loadingBar";
 import UnderComment from "@/app/components/common/UnderComment";
 
 const commentArray = [
+  "적정판단근거 = 하절기(6~8)월 강우일 중 BOD수질이 최저인 일자의 RDII추정량을 기준으로 판단",
   "강우시 총 추정유입량 = 청천시 유입하수량 + RDII 추정값",
   "주) 처리장 유입부에서 측정된 유량 및 수질조사 자료를 기준으로 산정된 결과임"
 ]
@@ -202,7 +203,7 @@ export default function Rdi() {
           queryClick={chkVal}
           excelClick={excelDownload}
           initClick={resetVal}
-          ref={ref} isAdmin={false}          />
+          ref={ref} isAdmin={false} />
       <ListDiv>
       <LoadingOverlay isLoading={isLoading} />
         <div className="h-full w-full overflow-x-scroll">
diff --git a/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx b/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
index 442c9467f..8ac105698 100644
--- a/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
+++ b/apps/fo/app/pages/(with-layout)/underWaterInput/page.tsx
@@ -15,6 +15,12 @@ import { useCallback, useEffect, useRef, useState } from "react";
 import UnderWaterInputModal from "./modal/page";
 import type { UnderWaterProps } from "@/app/store/underWaterInput/types";
 import LoadingOverlay from "@common/business_components/ui/loadingBar";
+import UnderComment from "@/app/components/common/UnderComment";
+
+const commentArray = [
+  "적정여부(=연간 지하수유입량/연평균 유입하수량*100)가 20%이하면 “적정”으로 표출, 그 이상은 “초과유입”으로 표출",
+  "지하수 유입량 = 하수처리장 청천시 실제유입량 - (물사용량 × 오수전환율)"
+]
 
 export default function UnderWaterInput() {
   const {Common
@@ -238,9 +244,8 @@ export default function UnderWaterInput() {
           <div className={widthSize}>
             <UiTable cellClick={(index: number | undefined) => index !== undefined && cellClick(index)} headName={"지하수유입량 추정"} tableData={mainList} headlist={upheadList} pageSize={10} total={total} resetPageNo={resetPage} onPageChange={handlePageChange} widthFixed={true}/>
           </div>
+          <UnderComment commentArray={commentArray} />
         </div>
-        <span className="text-2xl text-gray-500">※적정여부 = 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>
       {selectedRow !== null && (
diff --git a/apps/fo/app/store/flowRate/index.tsx b/apps/fo/app/store/flowRate/index.tsx
index 05a41e556..ff406f7d4 100644
--- a/apps/fo/app/store/flowRate/index.tsx
+++ b/apps/fo/app/store/flowRate/index.tsx
@@ -59,7 +59,8 @@ export type modalExcelType = {
     "연계처리량(m³/일)": number | '',
     "총인반류수량(m³/일)": number | '',
     "방류량(m³/일)": number | '',
-    /* "강우량(mm/일)": number | string | '', */
+    "미처리하수 추정량(m³/일)": number | '',
+    "강우량(mm/일)": number | string | '',
 }
 /**
  * (2) 모달
@@ -159,7 +160,7 @@ const upHeadListFlowRateModal:TableUpperProps[] = [
     { id: "sumFlow", title: "연계처리량(m³/일)", align:"right"},
     { id: "returnAmnt", title: "총인 반류수량(m³/일)", align:"right"},
     { id: "efflAmnt", title: "방류량(m³/일)", align:"right"},
-    { id: "noProcessInflAmnt", title: "미처리하수량(m³/일)", align:"right"},
+    { id: "noProcessInflAmnt", title: "미처리하수 추정량(m³/일)", align:"right"},
     { id: "infoRnDay", title: "강우량(mm/일)", align:"right"} 
 ]