My Department’s Rural Water Programme makes provision for grant assistance to householders in carrying out remediation, repair or upgrading works to, or replacement of, a domestic waste water treatment systems (septic tanks) where these are located in areas specifically prioritised for environmental protection or where identified as requiring action under a national inspection plan.
Further information can be obtained from the local authorities who are responsible for the day to day administration of these grants or on my Department's website at the following link:
www.gov.ie/en/publication/6cc1e-domestic-waste-water-treatment-systems-septic-tanks/.