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No Bathing Water Quality Issues

Mountshannon, Lough Derg

Location: Clare (Clare County Council)

Awards: Blue Flag
Excellent Water QualityCurrent Water Quality: Excellent
Last Sampled: Tue. Sep. 05 2023

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Data is provided by the Environment Protection Agency (EPA). The data provided in the API is licensed under a Creative Commons Attribution 4.0 International License.

About Mountshannon, Lough Derg

Mountshannon is situated around a series of three small piers to the east and adjacent to the main south-facing harbour. On the shore of Lough Derg, Mountshannon is an important area for wildlife in particular birds and fish species. There is an area of swamp vegetation along the shore. There is a slow and gradual deepening of the water and the mean depth overall of the water in Lough Derg has been estimated to be 7.6m. Activities include bathing, boating, angling and wind-surfing.. View available amenities and tide information at

Latest Annual Bathing Water Quality Report

Mountshannon, Lough Derg is classified as achieving Excellent Water Quality in 2022 based on the assessment of bacteriological results for the period 2019 to 2022. Mountshannon, Lough Derg has achieved an Excellent Water Quality rating for the four consecutive years 2019 to 2022. Annual water quality ratings are generally calculated using monitoring results over a four-year period and are assessed against stringent bacterial limits to protect bather health.