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Major operation in Stralsund: Ammonia leaked in the HanseDom!
On December 22, 2025, ammonia leaked in the HanseDom water park in Stralsund, and an operation involving 90 forces is underway.
Major operation in Stralsund: Ammonia leaked in the HanseDom!
On December 22, 2025, at 11:06 a.m., an incident occurred in the “HanseDom” water park in Stralsund that attracted the attention of emergency services. A hazardous substance leaked and ammonia was quickly identified as the culprit. The source of the leak is in an adjoining room with technical equipment. This unpleasant situation affects both the swimming pool and sauna areas of the region's popular leisure facilities. The good news: According to initial findings, fortunately no people were injured.
To quickly ensure the situation, a large-scale operation involving 90 members of the professional fire brigade and volunteer fire brigades is underway. They are supported by the Vorpommern-Rügen district's hazardous goods train. To stop the leak, sealing work is currently underway and a special decontamination route is being set up. To ensure the safety of guests and the surrounding area, the water park will remain closed today. However, the attached hotel operations are not affected and there is no immediate danger to the public.
Ammonia – A dangerous substance
But what makes ammonia so worrying? According to that Federal Environment Agency Ammonia is a significant air pollutant, especially in agriculture, where around 95% of emissions are generated. The main sources include manure such as farmyard manure, manure and liquid manure, as well as excrement from grazing animals. With consequences that go beyond agriculture: Ammonia can trigger eutrophication effects in ecosystems and cause health problems through fine dust.
Regarding eutrophication, it is important to note that ammonia can directly damage ecosystems and plants. Lichens and nutrient-poor plants are particularly sensitive to this. The limit values, which were checked and confirmed in Dessau in 2023, are set at 1 µg/m³ for sensitive species and between 2 and 4 µg/m³ for higher plants. However, the EU Air Quality Directive has not adopted binding limits for ammonia, which further fuels the debate about air quality and environmental protection.
Mitigation measures
The current events in the “HanseDom” also shed light on general efforts to reduce ammonia. Germany has committed to reducing emissions by 29% by 2030. For this purpose, among other things, the National Air Pollution Control Program 2019 and its updated version from 2024 will be implemented. Specific measures include low-emission techniques for the application of manure and regulations for animal husbandry.
From 2026, uniform conditions for operating regulations with binding emission limit values are planned in order to create a higher environmental level in the EU. Mirrorless practices in animal husbandry are therefore not only of interest to farmers, but also to the health of everyone who lives and works in the area.
The “HanseDom” administration regularly informs the public about the situation on its website and via Facebook. It is hoped that the spread of ammonia can be brought under control quickly and safely and that such incidents can be avoided in the future.
In the meantime, it remains to be seen how this situation will affect the future use of the “HanseDom” and what lessons can be learned from it. The discussion about ammonia and its implications remains exciting and, above all, necessary.