diff --git a/.gitignore b/.gitignore
index 53e07ee..978b7db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,6 +56,7 @@ data/DEV-CREDENTIALS.md
 # Data files (research, not part of the app)
 *.pdf
 *.xls
+!Eau2018.xls
 *.xlsx
 *.ipynb
 eau.py
diff --git a/Eau2018.xls b/Eau2018.xls
new file mode 100644
index 0000000..2aa461d
Binary files /dev/null and b/Eau2018.xls differ