Study: Number of pesticides found in Bavarian groundwater above average – Nachrichten Bayern


In Bavaria, there is a higher than average number of pesticides. Prohibited pesticides can also be detected many years later.

Alarmed by the new data on groundwater pollution by pesticides in Germany, the Greens are raising serious charges against the Great Coalition. "The federal government tolerates the rampant poisoning of our water," said Bundestag columnist Ekin Deligöz (Neu-Ulm). It refers to a report of the joint working group on water of the federal and Länder. The level of pollution of groundwater by the predominantly agri-environmental pesticides, presented there, leaves only one conclusion: "We must end this agricultural policy immediately to the detriment of the environment."

For the groundwater report, samples of about 14,500 groundwater measurement points were examined from 2013 to 2016. In 18.8% of cases, active substances or active pesticide degradation products were examined. have been found. In 3.8% of the samples, even the limit values ​​of the Ordinance on groundwater are exceeded. About 500 different substances were detected in the samples.

Traces of atrazine can be found even 28 years after the ban

Bavaria is particularly affected. In the free state, the number of pesticide discoveries in groundwater is above average, said Deligöz. "Residues with health problems were determined in 29.1% of the samples." The unglamorous leader is Saxony. There, pesticide residues were found even in two-thirds of the samples. Some of the funds are no longer allowed, but even after years, traces are still present in the groundwater. This concerns, for example, the herbicide Atrazine, banned for 28 years.

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Since the beginning of the systematic survey in 1990, the total number of contaminated samples has declined significantly. However, experts from environmental authorities at the federal and state levels see no reason for what is clear. In addition to the "still high rates for plant protection products that are no longer allowed", the report complains of "increased evidence" of permitted active substances or their degradation products. Approved active substances could also emanate from "significant groundwater pollution". Incidentally, glyphosate, a controversial plant protection product, was detected 47 times, in six cases with problematic concentrations.

Reducing the amount of manure: Germany is threatened with millions of millions

The results deduce from the authors' request "not to relax their efforts for the protection of groundwater". It is important to improve the quality of groundwater in already polluted areas and to prevent the deterioration of unpolluted areas. For the political leader of the Green Party, Deligöz is clear: "The federal government must immediately launch an effective program of pesticide reduction with specific goals and measures to reduce by at least half the use of pesticides. here 2025. " There is a "fundamental right to drinking water", the duty that citizens can count on.

The protection of water is also at stake in the dispute over the massacre between Brussels and Berlin. The EU calls for a general slurry reduction of 20%, given the worrying pollution of nitrates in the water. On the other hand, farmers resist. Federal and state ministers of the Environment and Agriculture are currently working with farmers and environmentalists to find a solution. If it is not found in mid-June, Germany will expose to millions of penalties.

Read also: What is the quality of tap water from Augsburg?

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