diff --git a/waternsw_grabber/waternsw_grabber.py b/waternsw_grabber/waternsw_grabber.py
index ecc1073..0575048 100644
--- a/waternsw_grabber/waternsw_grabber.py
+++ b/waternsw_grabber/waternsw_grabber.py
@@ -234,12 +234,13 @@ def telemetered_bore_downloader(bore_ids, start_date, end_date, download_dir):
     driver.quit()
 
 
-def extract_records(input_dir, output_dir):
+def extract_records(input_dir, output_dir, clean_up=False):
     """Extract downloaded bore records.
 
     Args:
         input_dir:   path to downloaded zip archives
         output_dir:  path to save csv files
+        clean_up:    delete original zip archive after extracting it
     """
 
     # Find zip files
@@ -311,3 +312,7 @@ def extract_records(input_dir, output_dir):
 
         # Export to csv
         df.to_csv(csv_name, float_format='%0.3f')
+
+        if clean_up:
+            # Remove original zip archive
+            os.remove(os.path.join(input_dir, zip_name))