AIE: Section 12 Water Pollution Notice served by Leitrim County Council on Coillte in relation to LM02-FL0026 (Water Pollution at Derrynahimmirk, Rossinver, Co Leitrim)

3 December 2021

Reason for Inspection
Complaint received from Rural Water in relation to contamination of drinking water (well supply) supply serving 3 houses and land connection, contamination possible because of works on nearby forestry.

The Derrynahimmirk stream rises from agricultural land to South and discharges through the felled zone where, beyond the forestry site, it converges with the Glenaniff River before discharging to Lough Melvin. Due to the Glenaniff River’s drop from High to Good Status it forms part of the Blue Dot Catchments Programme, a collaborative initiative for the protection and restoration of rivers and lakes that have deteriorated since the 1st River basin management cycle in 2007.


One river crossing point was noted, its construction appears degraded with the stream clogged either side and lush grown in the stream. Sections of the stream are laden with sediment. At the lowest point of the site the stream is wider and faster flowing and the natural course has been altered by timber, brash and debris obstructing the flow path. Logs and timber debris were noted in the river further upstream. Damage was also noted to a small number of native trees within the buffer zone of the Derrynahimmirk Stream

Site Inspection Photos

Correspondence with Coillte

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