diff --git a/R/readWQPdata.R b/R/readWQPdata.R
index a0573d53951fc9ae09e71483df5b7abffad22881..1963d6285eb8c1003c86f1a384a7206f3a2aa6ba 100644
--- a/R/readWQPdata.R
+++ b/R/readWQPdata.R
@@ -153,5 +153,8 @@ readWQPdata <- function(...){
     attr(retval, "queryTime") <- Sys.time()
     
     return(retval)
+  } else {
+    message("The following url returned no data:\n")
+    message(urlCall)
   }
 }
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