david lee miller is on the story for more. concentrate on the water and how people will be affected. david. >> indeed. a lot of people are very concerned. the barge that has so many people worried contains more than 1400 tons of poisonous methanol and it is sinking. they are looking at health risks. ohio river provides drinking water for 5 million people. last month following a train derailment fears were raised the river had been contaminated. louisville emergency management reads in part. currently 0 evidence of a tank breach or any leaks and air and monitoring resources are in place. the statement continues there is currently no impact to louisville water intake or water quality. according to the government's national institute of health, methanol exposure if left untreated can be extremely dangerous and even fatal. windshield washer fluid and other fuels. it was 1 of 10 barges that broke away. three of them got stuck against the dam. all the other barges carried soy and corn. kentucky senator rand paul says he is keeping an

david lee miller live on the story. any evidence of a leak so far?thing, sandra. as of now, nothing to suggest one of the barges is leaking methanol. authorities are very closely monitoring the situation and just moments ago various agencies and companies involved in the clean-up operation held a briefing, including the mayor. he says public safety is the top priority. >> more than 80 air quality samples have been taken so far and all tests to date show no evidence of hazards that would pose a health risk. though teams are continuously monitoring the situation. we are also taking water samples on a regular basis. >> underscoring what the mayor said, watching potential health risks, the ohio river provides drinking water for 5 million people. last month following a train derailment fears were raised the river was contaminated. methanol exposure if left untreated can be dangerous and fatal, used in windshield washer fluid, anti-freeze, and it was 1 of 10 barges that broke away yesterday morning. three got stuck against the mcalpine dam. one we learned