Water Quality Beaches (Raw Data) 2023 2025 FCC

The annual water quality of bathing waters are assessed and classified as 'Excellent', 'Good', 'Sufficient' or 'Poor'. In the case of Excellent water quality the risk of contracting gastro-intestinal illness is predicted to be ca. 3%, in Good waters ca. 5%, in Sufficient waters 8-9% and in Poor waters ca. >10%. The annual water quality status is determined from results covering a four year period rather than just the past season’s results using statistical methods rather than simple percentage compliance.

This approach is more robust, as it averages out the impacts of seasonal variations and takes account of the spread of results. Annual Bathing Water Classifications include:

• *
• Excellent
• * Good
• Sufficient - Poor Classification* E.coli Intestinal Enterococci Excellent <250 <100 Good 250-500 100–200 Sufficient 500-1000 200-250 Poor Water >1000 >250
• The quality assessment is determined by the poorest of the two microbial indicators e.g. E.coli 400, Intestinal Enterococci 20 would result in a ‘Good’ outcome – the poorer of the two being the E.coli Further Information Further information is available on the www.fingal.ieGraphs of the results are posted on notice boards at Fingal’s beaches throughout the season. All bathing water monitoring results are also available on the national www.beaches.ie which has the latest weekly data for further data see www.beaches.ie which hosts the data from www.epa.ie Related Data Set which we have published is Water Quality Beaches (Raw Data) 2010-2017 & Water Quality Beaches (Raw) 2018-2022 Beach Water Quality - fair, good etc. for all beaches as they have now changed how the analyses this and only give good, fair etc. for each beach.