Further info for Septic tanks & drainage fields
Extra tips & tutorials
EPA info on septic tank & drainage field construction: plan of septic tank and drainage field
Plan of septic tank and drainage field from the Irish EPA Code of Practice.
EPA info on drainage field construction: percolation area
Cross-section of percolation trench.
EPA info on drainage field construction: raised percolation area
Cross-section of raised percolation bed.