diff --git a/apps/wr/app/ruseFcltMng/fcltReg/pbnstReg/page.tsx b/apps/wr/app/ruseFcltMng/fcltReg/pbnstReg/page.tsx
index 441eabf25..acc72ea0f 100644
--- a/apps/wr/app/ruseFcltMng/fcltReg/pbnstReg/page.tsx
+++ b/apps/wr/app/ruseFcltMng/fcltReg/pbnstReg/page.tsx
@@ -29,9 +29,9 @@ import {
 import { PbnstMngForm } from "@/components/ui/form/fcltReg/pbnstReg/mngReg/mngRegForm";
 import { PbnstBuseForm } from "@/components/ui/form/fcltReg/pbnstReg/buseReg/bugRegForm";
 import { PbnstRegModal } from "@/components/ui/modal/fcltReg/pbnstRegModal/pbnstRegModal";
-import toast, { Toaster } from "react-hot-toast";
+import toast, { Toaster } from "react-hot-toast"; // toast 이미 import 되어 있음
 import { writeRgtrAndMdfr } from "@/app/store/ruseFcltMng/fcltReg/pbnstReg";
-import { useFieldArray, useForm } from "react-hook-form";
+import { useFieldArray, useForm, type FieldErrors } from "react-hook-form"; // FieldErrors 타입 추가
 import { zodResolver } from "@hookform/resolvers/zod";
 import { z } from "zod";
 
@@ -105,6 +105,53 @@ export default function PublicReuseFaciltyInsert() {
     await pbnstRuseBizUpdate(bizs);
   };
 
+  // 폼 유효성 검사 실패 시 호출될 함수
+  const onInvalid = (errors: FieldErrors<{ items: z.infer<typeof pbnstRegZod>[]; }>) => {
+    // 재귀 함수를 사용해 중첩된 에러 객체에서 모든 에러 메시지와 경로를 찾습니다.
+    const findAllErrors = (
+      errorObject: any,
+      path: (string | number)[] = []
+    ): { message: string; path: (string | number)[] }[] => {
+      if (!errorObject) return [];
+
+      return Object.keys(errorObject).flatMap((key) => {
+        const value = errorObject[key];
+        const currentKey = !isNaN(parseInt(key)) ? parseInt(key) : key;
+        const newPath = [...path, currentKey];
+
+        if (value && typeof value === "object") {
+          if (typeof value.message === "string") {
+            return [{ message: value.message, path: newPath }];
+          }
+          return findAllErrors(value, newPath);
+        }
+        return [];
+      });
+    };
+
+    const errorList = findAllErrors(errors);
+
+    if (errorList.length > 0) {
+      errorList.forEach((errorInfo) => {
+        const { message, path } = errorInfo;
+        let finalMessage = message;
+
+        const itemsIndex = path.indexOf("items");
+        const fcBizsIndex = path.indexOf("fcBizs");
+
+        if (itemsIndex > -1 && fcBizsIndex > -1 && path.length > fcBizsIndex + 1) {
+          const itemIdx = path[itemsIndex + 1] as number;
+          const bizIdx = path[fcBizsIndex + 1] as number;
+          const cycle = form.getValues(`items.${itemIdx}.fcBizs.${bizIdx}.cycl`);
+          if (cycle) {
+            finalMessage = `[${cycle}차수] ${message}`;
+          }
+        }
+        toast.error(finalMessage);
+      });
+    }
+  };
+
   useEffect(() => {
     if (code.sggCd.length) {
       if (searchFclts) {
@@ -250,7 +297,7 @@ useEffect(() =>{
         <div className="grid grid-cols-6 gap-4 h-full">
           <div className="col-span-4 h-full min-h-0">
             <ListDiv className="min-h-0">
-              <ScrollArea className="h-[60vh]">
+              <ScrollArea className="h-[60vh]"> {/* 높이 조정 */}
                 <UiTable
                   tableData={bdstTable || []}
                   headlist={pubFacHeadList}
@@ -276,8 +323,8 @@ useEffect(() =>{
                   </TabsTrigger>
                   <Button
                     size={"sm"}
-                    onClick={form.handleSubmit(onSubmit)}
-                    className="!justify-end"
+                    onClick={form.handleSubmit(onSubmit,onInvalid)}
+                    className="!justify-end" // 저장 버튼 위치 조정
                   >
                     저장
                   </Button>
@@ -310,7 +357,7 @@ useEffect(() =>{
           <UiModal
             body={
               <PbnstRegModal
-                form={form}
+                form={form} // form prop 전달
                 data={isRuseReg.data || ({} as customPbnst)}
               ></PbnstRegModal>
             }
diff --git a/apps/wr/app/ruseFcltMng/fcltReg/rainReg/page.tsx b/apps/wr/app/ruseFcltMng/fcltReg/rainReg/page.tsx
index 31743aaa9..221524918 100644
--- a/apps/wr/app/ruseFcltMng/fcltReg/rainReg/page.tsx
+++ b/apps/wr/app/ruseFcltMng/fcltReg/rainReg/page.tsx
@@ -80,7 +80,6 @@ export default function Home() {
   };
 
   useEffect(() => {
-    console.log("getPageNation", pageNation);
     getRainData(pageNation, "41");
   }, [pageNation]);
 
diff --git a/apps/wr/app/ruseFcltMng/prfmncSttn/chkgdnSttn/page.tsx b/apps/wr/app/ruseFcltMng/prfmncSttn/chkgdnSttn/page.tsx
index f415bf187..a5480a8b2 100644
--- a/apps/wr/app/ruseFcltMng/prfmncSttn/chkgdnSttn/page.tsx
+++ b/apps/wr/app/ruseFcltMng/prfmncSttn/chkgdnSttn/page.tsx
@@ -17,7 +17,6 @@ import {
   SearchDiv,
   SearchFormLeft,
   SearchFormRight,
-  SearchInput,
   SelectBox,
   Title,
   UiModal,
diff --git a/apps/wr/app/store/ruseFcltMng/fcltReg/pbnstReg/type.tsx b/apps/wr/app/store/ruseFcltMng/fcltReg/pbnstReg/type.tsx
index a34985810..9c390d076 100644
--- a/apps/wr/app/store/ruseFcltMng/fcltReg/pbnstReg/type.tsx
+++ b/apps/wr/app/store/ruseFcltMng/fcltReg/pbnstReg/type.tsx
@@ -148,7 +148,7 @@ export const fcBizSchema = z.object({
   pbnstRuseFcltFk: z.string().nullish(),
   superkey: z.string().default("").nullish(),
   cycl: zNum.default(1),
-  seCd: z.string().default(""),
+  seCd: z.string().max(10, "구분은 10자를 초과할 수 없습니다.").default(""),
   bizMthdCd: z.string().default(""),
   instlAprvSncnDt: zDateDefaultNow,
   bizCmcnDay: zDateDefaultNow,
@@ -171,17 +171,17 @@ export const fcBizSchema = z.object({
   wwtEmsnFcltPrmsnYn: z.string().default("Y"),
   tmsInstlYn: z.string().default("Y"),
   pbnstDrngInflwExclYn: z.string().default("Y"),
-  bod: zNumDefaultZero,
-  grssClfg: zNumDefaultZero,
-  combResdch: zNumDefaultZero,
-  trbt: zNumDefaultZero,
-  clIonQnt: zNumDefaultZero,
-  smll: zNumDefaultZero,
-  crmty: zNumDefaultZero,
-  tph: zNumDefaultZero,
-  tn: zNumDefaultZero,
-  ph: zNumDefaultZero,
-  cdtnv: zNumDefaultZero,
+  bod: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "BOD 값은 5자리 미만이어야 합니다.")).nullish(),
+  grssClfg: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "총대장균군 값은 5자리 미만이어야 합니다.")).nullish(),
+  combResdch: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "결합잔류염소 값은 5자리 미만이어야 합니다.")).nullish(),
+  trbt: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "탁도 값은 5자리 미만이어야 합니다.")).nullish(),
+  clIonQnt: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "염소이온량 값은 5자리 미만이어야 합니다.")).nullish(),
+  smll: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "냄새 값은 5자리 미만이어야 합니다.")).nullish(),
+  crmty: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "색도 값은 5자리 미만이어야 합니다.")).nullish(),
+  tph: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "총인 값은 5자리 미만이어야 합니다.")).nullish(),
+  tn: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "총질소 값은 5자리 미만이어야 합니다.")).nullish(),
+  ph: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "수소이온농도 값은 5자리 미만이어야 합니다.")).nullish(),
+  cdtnv: z.preprocess((v) => (v !== null && v !== undefined ? Number(v) : v), z.number().max(9999, "전기전도도 값은 5자리 미만이어야 합니다.")).nullish(),
   designCst: zNumNullish,
   cstrnSpvsCst: zNumNullish,
   fcltSbsdCst: zNumNullish,
@@ -241,4 +241,3 @@ export type fcOrgwtType = z.infer<typeof fcOrgwtSchema>;
 export type ppInstlType = z.infer<typeof pplInstlSchema>;
 export type operType = z.infer<typeof fcOperSchema>;
 export type fcFileType = z.infer<typeof fcFileSchema>;
-
diff --git a/apps/wr/app/store/ruseFcltMng/fcltReg/rainReg/index.tsx b/apps/wr/app/store/ruseFcltMng/fcltReg/rainReg/index.tsx
index 5b3ad6813..4681f7250 100644
--- a/apps/wr/app/store/ruseFcltMng/fcltReg/rainReg/index.tsx
+++ b/apps/wr/app/store/ruseFcltMng/fcltReg/rainReg/index.tsx
@@ -16,7 +16,7 @@ const rainyObjSchema = z.object({
   pntfColKnd: z.string().default(""),
   pntfColArea: z.number().default(0),
   dtfcltCpct: z.number().default(0),
-  filtrTrtmfctYn: z.string().default("Y").nullish(),
+  filtrTrtmfctYn: z.string().default("Y"),
   filtrTrtmfctCpct: z.number().nullish().default(0),
   filtrTrtmfctPrs: z.string().default(""),
   annRnwtQty: z.number().default(0),
@@ -59,7 +59,7 @@ const reuseBuildingSchema = z.object({
 }).refine((data) => data.bdstUsgCd > 0, {
   message: validationMessages.requiredSelect("건축물용도"),
   path: ["bdstUsgCd"],
-});
+}) ;
 
 const chgBuildingSchema = z.object({
   bdstInfoFk: z.number().nullish(),
diff --git a/apps/wr/components/ui/form/fcltReg/pbnstReg/buseReg/bugRegForm.tsx b/apps/wr/components/ui/form/fcltReg/pbnstReg/buseReg/bugRegForm.tsx
index df63b3520..a729b2533 100644
--- a/apps/wr/components/ui/form/fcltReg/pbnstReg/buseReg/bugRegForm.tsx
+++ b/apps/wr/components/ui/form/fcltReg/pbnstReg/buseReg/bugRegForm.tsx
@@ -55,8 +55,6 @@ export function PbnstBuseForm({
     code,
     pbnst,
     demandCompList,
-    getpbnstInsertIndex,
-    appendRuseFclt,
     getDemandCompList,
     regDemandCompany,
   } = useWrStore((state) => state);
@@ -65,7 +63,6 @@ export function PbnstBuseForm({
     control: form.control,
     name: `items.${indexMng}.fcBizs`,
   });
-
   const [bizCycle, setBizCycle] = useState("1");
   const [ppiSelectList, setPpiSelectList] =
     useState<[{ name: string; val: SelectDataType[] }]>();
@@ -499,7 +496,7 @@ export function PbnstBuseForm({
                     ) || []
                   ).map((field, index) => (
                     <div
-                      key={`fcDemands-${indexMng}-${indexBiz}`} // 이게 핵심!
+                      key={`fcDemands-${indexMng}-${indexBiz}=${index}`} // 이게 핵심!
                       className="grid grid-cols-12 gap-4 mt-3"
                     >
                       <div key={index + "keySon1"} className="col-span-4">
@@ -664,6 +661,7 @@ export function PbnstBuseForm({
                           )}
                         />
                       </div>
+                      <br></br>
                     </div>
                   ))}
                 </div>
diff --git a/apps/wr/components/ui/form/fcltReg/rainReg/rainRegForm.tsx b/apps/wr/components/ui/form/fcltReg/rainReg/rainRegForm.tsx
index 9ec4fc5c0..40a9bb436 100644
--- a/apps/wr/components/ui/form/fcltReg/rainReg/rainRegForm.tsx
+++ b/apps/wr/components/ui/form/fcltReg/rainReg/rainRegForm.tsx
@@ -60,10 +60,12 @@ export default function RainRegForm({
           typeof item?.grntchBdstCertYr === "string"
             ? item?.grntchBdstCertYr
             : "", // null → ""
+            instlCstSprtYn:
+          item?.instlCstSprtYn ?? "Y", // null → "N"
           // Ensure enum fields are null if empty string to trigger Zod default
         rainyObj: {
           ...item?.rainyObj,
-            filtrTrtmfctYn: item?.rainyObj?.filtrTrtmfctYn === "" ? null : item?.rainyObj?.filtrTrtmfctYn,
+            filtrTrtmfctYn: item?.rainyObj?.filtrTrtmfctYn ??"Y"
         },
       })),
     };
@@ -266,7 +268,7 @@ export default function RainRegForm({
                         if (!readonly) handleCommaNumberChange(e, field.onChange);
                       }}
                       value={formatCommaNumber(field.value)}
-                      readOnly={filtrTrtmfctYn !== "Y"}
+                      readOnly={filtrTrtmfctYn === "Y"}
                     />
                   </FormUi>
                 )}
@@ -284,7 +286,7 @@ export default function RainRegForm({
                       type="text"
                       value={field.value ?? ""}
                       onChange={field.onChange}
-                      readOnly={filtrTrtmfctYn !== "Y"}
+                      readOnly={filtrTrtmfctYn === "Y" }
                     />
                   </FormUi>
                 )}
@@ -333,7 +335,7 @@ export default function RainRegForm({
                         if (!readonly) handleCommaNumberChange(e, field.onChange);
                       }}
                       value={formatCommaNumber(field.value)}
-                      readOnly={instlCstSprtYn !== "Y"}
+                      readOnly={instlCstSprtYn === "Y"}
                     />
                   </FormUi>
                 )}