tests have been taken around the water treatment unit "abborren", but so far no results have turned up positive. residents are being advised to boil the tap water as they continue to search for the contaminating source. since may 2011, there has been an ongoing outbreak in south roscommon in ireland. although many people have been diagnosed with cryptosporidiosis, the source of the parasite has not yet been found. testing continues and roscommon county council are now considering introducing ultra violet filtration to their water treatment process in the next 12 months. residents are being advised to boil the tap water and there is no sign of this boil notice being lifted in the near future. in may 2013, in roscommon, ireland, another outbreak of the cryptosporidiosis was reported and a boil water notice was issued. this was the second time the parasite was detected in a month in the roscommon water supply. the source of one of the outbreaks had been linked to the agricultural community. at least 13 people were treated for cryptosporidiosis. society and culture cryptosporidium was the basis of the 1998 television film, thirst, in which it mutates and passes through a town's water filters. cryptosporidium was shown on three episodes in three seasons of the television show, monsters inside me