Posted 4/2/2024 12:27 (#10690739 - in reply to #10690552) Subject: RE: Backflowing Tile
Middlesex County, Ontario
Sounds like the blue tile is plugged somewhere downflow of the Tee.
Go find the blue tile outlet in the creek and see if it is flowing. The tile outlet should be marked (with a fence post) so that it is easy to find in the future.