I hate to spoil perfect record, but in 2011 there was E.coli alert in Copenhagen:
<a href="http:&#x2F;&#x2F;phys.org&#x2F;news&#x2F;2011-08-copenhagen-ecoli.html" rel="nofollow">http:&#x2F;&#x2F;phys.org&#x2F;news&#x2F;2011-08-copenhagen-ecoli.html</a><p>Also EU has relaxed limits for nitrates, to the point it could hurt infants and some aquarium fish. When some post-soviet countries were joining EU, our nitrate limits were considered too strict, and we had to lower them.