Петропавловск, неприятный запах, жалобы жителей, экология, Северо-Казахстанская область, Қызылжар су, биопруд

Residents of Petropavlovsk have been complaining for almost the whole summer about a sharp, unpleasant smell spreading across the city. Previously, according to them, this problem more often occurred in spring during the melting of ice on water bodies, but this summer the smell persists even in hot weather.