tuesday after discovering there was a use by date of may 2019 leaving residents frustrated. >> they say come back, give you another date, another time. it's crazy. they're unorganized. >> what's your message to the mayor? >> get it together. get it together. for all of us. >> reporter: but the state's health department says there is no shelf life for bottled water as long as it is unopened. the natural resources council filed a federal lawsuit against the city over the contamination problems. >> newark is a lesson to us all and an extreme kbamplexamples o contamination problems there. >> reporter: the problem lies not at the source. water leaving the treatment plants is lead-free. but it becomes contaminated when it travels through service pipes. >> all the lead always comes from the plumbing. nonetheless, we have a law to