Original text in English, shown unchanged.
Swimming Prohibited at Rommwiss Beach After Blue Algae Detected
On Thursday 10 September 2026, Luxembourg’s Water Management Agency reported that a proliferation of cyanobacteria, specifically Microcystis aeruginosa, has been detected at Rommwiss beach on the Upper Sûre Lake. Analyses carried out on 9 September 2026 revealed toxin concentrations exceeding the action threshold. Consequently, swimming is prohibited with immediate effect at Rommwiss beach due to health risks.
- Location
- Rommwiss, Upper Sûre Lake
- Country
- 🇱🇺 Luxembourg
- Start
- 10/09/2026, 02:00
- End
- Ongoing
- Event type
- Microbiological, Chemical contamination, Limit exceeded
- Status
- Active
- Region
- Upper Sûre Lake
- Last updated
Timeline
- · Alert first recorded
- · Start according to source
- · Record last updated
What to do now
For this case the specific instructions of the official source apply. Please follow the details in the report and the guidance of your water utility.
Sources
This summary was generated automatically. For binding information consult the linked source.
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