The EPA have found 57% of 65 failing systems have been resolved since 2013.
Westmeath has one of the worst track records when it comes to tackling defective septic tanks.
Just 57% of the 65 failing systems identified by the local authority in county have been resolved since 2013, according to a new report by the EPA.
Only Cork City has a worse record at 29%
The figure in Offaly is 93%, while it's 76% in Laois.
EPA Project Manager Noel Byrne says homeowners have to step up:
Funeral Arrangements Announced For Woman Killed In Midlands Crash
Garda Commissioner Confident Security Operation For EPC Meeting Will Be A Success
Midlands Gardaí Appeal For Witnesses To Fatal Crash
Midlands Security & Defence Analyst Says Hoax Bomb Threats Aimed To Intimidate
Almost €446,000 Allocated To Midlands Community Centres And Clubhouses
Midlands Family Takes On Ireland’s Fittest Family Challenge
5K Fundraiser To Support Motor Neurone Disease Association Takes Place In Westmeath