However, water contamination in the area of the Mayak test site, especially at Lake Karachay, is extreme, and has gotten to the point where radioactive byproducts have found their way into drinking water supplies.
Namun, pencemaran air di daerah Situs Tes Mayak, terutama di Danau Karachay, ekstrem dan telah sampai pada titik di mana produk sampingan radioaktif ditemukan dalam persediaan air minum.