Cill Mhuirbhigh, Inis Mór
Galway County Council
No active EPA restriction shown
EPA alert data last synced 19 Oct 2026, 13:36.
Current restrictions and beach signage take priority over annual classifications and individual sample results. Conditions can change between samples.
EPA annual assessment
Cill Mhuirbhigh, Inis Mór is classified as achieving Excellent Water Quality in 2025 based on the assessment of bacteriological results for the period 2022 to 2025. Cill Mhuirbhigh, Inis Mór has achieved an Excellent Water Quality rating for the four consecutive years 2022 to 2025. 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.
Annual water quality history
Recent water samples
| Date | Sample status | E. coli | Intestinal enterococci |
|---|---|---|---|
| 7 Sep 2026 | Excellent | <10 | 4 |
| 17 Aug 2026 | Excellent | <10 | <2 |
| 5 Aug 2026 | Excellent | 10 | 3 |
| 29 Jul 2026 | Good | 97 | 125 |
| 13 Jul 2026 | Excellent | 10 | 2 |
| 29 Jun 2026 | Excellent | <10 | 8 |
| 15 Jun 2026 | Excellent | <10 | 1 |
| 2 Jun 2026 | Excellent | <10 | 1 |
| 25 May 2026 | Excellent | <10 | 1 |
Facilities & access
About this bathing water
Cill Mhuirbhigh beach is a sheltered sandy shore bounded by rocky shore to the west and east. There is a small area of marram dune which supports a variety of vegetation. The habitat of Machair is located within Cill Mhuirbhigh and this form of coastal grassland supports a variety of rare plants. There is also a variety of animal and bird species including rare species. The rarer plants are listed in the Irish Red Data Book and legally protected under the Flora Protection Order (1999). There is a UNESCO World Heritage Site on the island, the prehistoric fort Dún Aonghusa. The whole island is significant in terms of cultural and environmental value.
Official information
Managed by Galway County Council.
Open EPA beach profile