diff --git a/apps/fo/app/pages/sewageOccur/modal/page.tsx b/apps/fo/app/pages/sewageOccur/modal/page.tsx
index 4c4283f4a..06ca11cc1 100644
--- a/apps/fo/app/pages/sewageOccur/modal/page.tsx
+++ b/apps/fo/app/pages/sewageOccur/modal/page.tsx
@@ -62,6 +62,7 @@ export default function SewageOccurModal(props: { fcltyName: string; facilityCd
                   }}
                   selectClass="ml-5 w-[100px]"
                   startYear={1900}
+                  yearReadOnly={true}
                 />~
                 <DateMonthPicker
                   field={{
@@ -79,6 +80,7 @@ export default function SewageOccurModal(props: { fcltyName: string; facilityCd
                   }}
                   selectClass="ml-5 w-[100px]"
                   startYear={1900}
+                  yearReadOnly={true}
                 />                
                 </TableCell>
               </TableRow>
diff --git a/apps/fo/app/pages/underWaterInput/modal/page.tsx b/apps/fo/app/pages/underWaterInput/modal/page.tsx
index 44ed073cf..50bfd7113 100644
--- a/apps/fo/app/pages/underWaterInput/modal/page.tsx
+++ b/apps/fo/app/pages/underWaterInput/modal/page.tsx
@@ -163,6 +163,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                         <h3 className="justify-center px-5">~</h3>
                         <DateMonthPicker
@@ -174,6 +175,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                       </div>
                     </TableCell>
@@ -226,6 +228,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                         <h3 className="justify-center px-5">~</h3>
                         <DateMonthPicker
@@ -237,6 +240,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                       </div>
                     </TableCell>
@@ -280,6 +284,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                         <h3 className="justify-center px-5">~</h3>
                         <DateMonthPicker
@@ -291,6 +296,7 @@ export default function UnderWaterInputModal({fcltyName='', searchYear=new Date(
                           }}
                           selectClass="ml-5 w-[100px]"
                           startYear={Number(searchYear)}  // 시작 연도 설정
+                          yearReadOnly={true}
                         />
                       </div>
                     </TableCell>