diff --git a/workspace/05_hyRefactor_flines.Rmd b/workspace/05_hyRefactor_flines.Rmd
index e5cafd63be25974238d54aeaf9460c3083581005..4049aac67e94599faeed24f0ab9b60702f22d889 100644
--- a/workspace/05_hyRefactor_flines.Rmd
+++ b/workspace/05_hyRefactor_flines.Rmd
@@ -158,6 +158,22 @@ if(needs_layer(out_refac_gpkg, outlets_layer)) {
                       by = "member_COMID")
   
   write_sf(outlets_ref_COMID, out_refac_gpkg, outlets_layer)
+  
+
+} else {
+  outlets_ref_COMID <- read_sf(out_refac_gpkg, outlets_layer)
+}
+
+check_dups <- outlets_ref_COMID %>%
+  group_by(reconciled_ID) %>%
+  filter(n() > 1) %>%
+  ungroup()
+
+if(nrow(check_dups) > 1){
+  print("Double-check for double POIs")
+  write_sf(check_dups, temp_gpkg, paste0(dup_pois, "_", rpu_code))
+} else {
+  print("no double POIs detected")
 }
 ```