Bathing Water Open Data

This is the Bathing Water Open Data API which has three API datasets: Locations, Measurements and Alerts.

This information is populated using the EPA’s CRM Bathing Water information service and the EPA’s central water quality database Aquarius.

Local authorities report this information to the EPA via the Bathing Water Information System (BWIS) and Monitoring Data System (MDS) applications on EDEN (Environmental Data Exchange Network).

The EPA provides this information to the public via the responsive website.

Local authorities are required to report the information for ‘identified’ bathing waters monitored and managed under the requirements of the Bathing Water Quality Regulations 2008 (SI No. 79 of 2008). In addition, local authorities report information to the EPA for other monitored waters not managed under the Regulations (non-identified bathing waters).

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