WEST OF IRELAND SEPTIC BLOG

SEPTIC TANK GUIDES

Plain-English guides to septic tank registration, inspections, grants, percolation tests and upgrades, for homeowners across Galway, Mayo, Roscommon, Sligo and Leitrim. Every figure on this site comes from the EPA, gov.ie or Citizens Information.

Rural fields and stone walls in the West of Ireland
Percolation & Site Assessment

Failed Your Percolation Test? What the 2021 Code Allows on Slow Ground

Your percolation value came back too slow for a standard percolation area. Here is what the EPA 2021 Code of Practice allows on slow ground, and who pays.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Emptying & Maintenance

How Often Should a Septic Tank Be Emptied? The 2021 EPA Table Changed the Answer

The 2021 EPA code replaced the once-a-year rule with a table set by the occupants and the tank volume. Here is how to work out your own de-sludging interval.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Percolation & Site Assessment

Percolation Tests in Ireland: What Happens on the Day and What the Numbers Mean

What happens during a percolation test in Ireland, what the percolation value means under the EPA 2021 Code, and what to do if your site comes back too slow.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Buying & Selling

Selling a House With a Septic Tank in Ireland: The Paperwork Your Solicitor Will Ask For

Selling a house with a septic tank in Ireland? Here is the paperwork your solicitor will ask for, what each document costs, and how to find one that is missing.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Grants & Funding

The Septic Tank Grant in Ireland: All Three Schemes, and Which One You Can Actually Apply For

There are three septic tank grant schemes in Ireland, worth 85% of cost up to €12,000. Here is what each one requires and how to find out where you stand.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Inspections

Septic Tank Inspection in Ireland: What the Council Checks and What an Advisory Notice Means

Half of the systems inspected each year fail. What a septic tank inspection checks, what an advisory notice means, and what the grant covers afterwards.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Rules & Registration

How to Register a Septic Tank in Ireland, and What Happens If You Have Not

Septic tank registration in Ireland costs €50, never needs renewing, and carries a fine of up to €5,000. How to register, and what a council letter means.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Upgrades & Replacement

Septic Tank Replacement Cost Ireland: What Actually Drives the Number

No Irish tank supplier publishes a price. Here is what really drives septic tank replacement cost in Ireland, and what the 85% grant does and does not cover.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Upgrades & Replacement

Septic Tank or Wastewater Treatment System in Ireland: Which One a Site Actually Needs

Whether a site takes a septic tank or a wastewater treatment system in Ireland is decided by the percolation value, not the budget. Here is how that works.

20 September 2026 READ MORE
Rural fields and stone walls in the West of Ireland
Problems & Failures

Septic Tank Problems: Which Signs Mean Stop Using It Now

Which septic tank problems mean stop using the system today, which can wait, and what the EPA rules and grant schemes say if the council has written to you.

20 September 2026 READ MORE

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