Bathing ban in Hameln: Blue-green algae endanger health in the lake!
Heat leads to bathing bans in Hameln-Pyrmont due to blue-green algae. Weather phenomena and fire station construction attract attention.

Bathing ban in Hameln: Blue-green algae endanger health in the lake!
You've probably heard that the current heat in Germany not only makes for great swimming days, but also has its downsides. More and more lakes and beaches have to be closed due to blue-green algae, also known as cyanobacteria. These microbes can explode in dry, warm conditions and produce dangerous toxins that can be dangerous to humans and animals. Loud Dewezet Numerous bathing bans have already been announced in various bodies of water.
The symptoms of poisoning are anything but pleasant: nausea, vomiting, diarrhea and skin and respiratory irritation can result, warns NDR. It becomes particularly dangerous when children or people with previous illnesses come into contact with these bacteria.
What needs to be taken into account?
The health authorities are required to inform the population in a timely manner about the water quality. Signs such as a greenish or blue-green cloudiness in the water should always be a warning signal. Observations of dead fish or a lack of visibility in knee-deep water clearly show that something is wrong.
Blue-green algae are not really algae, but bacteria that multiply particularly well in nutrient-rich waters at temperatures above 20 degrees. Authorities repeatedly report that these algae blooms occur in lakes and coastal waters. One example is the Luisenbad in Mölln, where a bathing ban was imposed because of blue-green algae.
Impairments caused by the heat wave
The situation is no different in Hameln-Pyrmont. Not only are bathing bans imposed here, the construction of the new fire station in Pyrmont is also delayed. The inauguration, originally scheduled for August 30, 2025, is currently being rescheduled after construction work that began in February 2024 is progressing more slowly than expected. This construction measure was controversial in the region as it was discussed for a long time before the council decision was made in October 2023.
Another natural phenomenon has already made headlines: On Friday night, residents experienced an impressive flash of lightning caused by a thunderstorm cell over Schaumburg. This caused not only visual stimuli, but also damage from hail - up to four centimeters in size! Such events are not uncommon in these hot days, and nature is impressive.
To top it all off, a survey on health care in Germany is currently running until September 21st, the anonymous results of which will be published from November. It remains exciting to see how citizens will judge the current supply situation.
The heat not only brings carefree bathing pleasure, but also some challenges. Feel free to find out about water quality and stay healthy!