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Water quality in Brandenburg: Mostly excellent, but be careful of blue-green algae!
Current information on water quality in Märkisch-Oderland: blue-green algae and bathing recommendations for summer 2025.
Water quality in Brandenburg: Mostly excellent, but be careful of blue-green algae!
The bathing season in Brandenburg has got off to a very successful start and the water quality of most bathing waters can be classified as “excellent”. According to the current information from City Gazette Regular checks show that the health authorities in the districts keep a careful eye on quality. The bathing areas are not only tested for bacterial contamination, but also for visibility depth and other parameters.
What is particularly pleasing is that the microbiological bathing water quality was rated as “excellent” to “good” in almost all bathing areas. However, there are a few exceptions that are worth informing about. Some bodies of water, such as the Ruppiner and Hohenjesarschen lakes, are currently experiencing problems caused by blue-green algae. The health authorities have intensified controls in recent weeks and taken measures to protect bathers.
Continuous monitoring
The bathing season, which officially opened in Brandenburg in mid-May and lasts until mid-September, guarantees that the water quality is regularly monitored. Loud MAZ The health authorities test the bathing water at least every four weeks. Particular attention is paid to faecal indicator bacteria such as E.coli. Warnings are issued if the values are elevated, but bathing is usually not banned.
Last week there were increased E.coli levels at the Bad Saarow bathing area. But the results of the follow-up checks last Friday showed that the situation had stabilized; the water quality has again been classified as good. This shows how quickly changes are responded to to ensure the safety of bathers.
Blue-green algae and its risks
Particular attention is paid to the problem of blue-green algae, which can grow quickly under suitable conditions, such as warm weather and high nutrient supply. These cyanobacteria, which appeared at Lake Hohenjesar in Altzeschdorf, can produce dangerous toxins that can harm both humans and animals. Symptoms of contact with contaminated water can include skin irritation, gastrointestinal problems and respiratory problems. Dogs are particularly at risk, which is why owners should be particularly careful.
Current warnings and information about the bathing areas can be viewed online on the interactive bathing area map. This map not only offers the water quality for 2025, but also a comprehensive overview of the classifications of the last few years as well as the management measures implemented. How badestellen.brandenburg.de reported, bathers can search for information here at any time and find out about the latest developments.
The bathing pleasure in Brandenburg remains undiminished as long as bathers keep an eye on the recommendations of the health authorities. And so the bathing season will hopefully continue to be a wonderful experience on the water for many!