Half of septic tanks fail inspection

A septic tank being installed. 

Half of almost 1,200 septic tanks failed an inspection last year, while more than a quarter of failed inspections in the past seven years are still not fixed.

That is according to the Environmental Protection Agency (EPA), which said in its National Inspection Plan a lack of maintenance and desludging were the main reasons for half of the 1,160 tanks failing their examinations.