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 where these are located in areas specifically prioritised for environmental protection for the purposes of the grant scheme or where identified as requiring action under a national inspection programme.
Further information can be found on my Department's website, at www.gov.ie/en/publication/6cc1e-domestic-waste-water-treatment-systems-septic-tanks, or from the local authorities who are responsible for the day to day administration of these grants.