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Saving the Environment of Navan Townlands

"protecting the legacy of our children"

About Us....

We are a group that represents residents living beside Randalstown/Simonstown Tailings Dam. SENT aims to raise awareness about the ever-present dangers for communities and the environment and we oppose the further expansion of the mine Tara Deep along with the proposed second Tailings Dam at Sillogue/Simonstown Our overall aim is to work for the protection of our environment especially with concerns for the children of future generations.

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Tailings - What are they?

Tailings consist of waste material that remains after the extraction of ore in mining. This waste is mixed with water to make slurry or sludge which is easier to transport. The sludge, including chemicals such as cadmium, mercury and arsenic is then stored in the tailings pond or dam.

Randalstown tailings facility stores the tailings produced by Boliden/Tara Mines and is located in the heart of Navans townlands. Since the closure of Boliden/Tara Mines in July 2023, the facilty has been Maintained. If and when Boliden re-open the minein the 2nd quater of 2024, operations will resume.

Our Concerns

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Despite promises of no further development of tailings in this area, Boliden have purchased land in the townland of Sillogue and their staff have indicated that this is for the purpose of constructing a 2nd tailings facility.

Over the last 40 years, valid fears and concerns have never been addressed by the mining companies (including Boliden) to the satisfaction of the local community. Boliden repeatedly claim to engage with all stakeholders, but these engagements lack transparancy and have resulted in increaseing levels of distrust due to misinformation and broken promises.

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Serious concerns raised at SENT community meeting

Dr Steven Emerman outlined a serious concern for dam safety at Tara Mines’ Randalstown facility

Our Concerns

Learn more about the fears and concerns of residents in the neighboring townlands surrounding the existing tailings pond and potential second one

Tailings – What are they?

Learn more about tailings and tailings storage and why they are a problem for mines and residents living nearby

Tailings Failure – Emergency Plan?

SENT members wrote to the HSE, the National Environmental Health Service, Meath County Council, relevant ministers and local TDs seeking details of the emergency plan for a major incident at the Boliden Tara Mines tailings facility.

Meath Chronicle recent articles

Meath Chronicle articles with contributions from SENT members On the 11 th of June 2026, the Meath Chronicle ran several articles by journalist Ann Casey in that week’s edition in relation to Boliden Tara Mines...

Ireland’s Largest Waste Storage Facility

From our research, this is a list of the largest current and historic waste storage facilities in the country. It is highly dominated by mine waste storage facilities.

August 15, 2026

Serious concerns raised at SENT community meeting

August 15, 2026

Our Concerns

August 15, 2026

Tailings – What are they?

August 15, 2026

Tailings Failure – Emergency Plan?

August 15, 2026

Meath Chronicle recent articles

August 15, 2026

Ireland’s Largest Waste Storage Facility