mr olsson, what do you think is going to take-- it is going to take for the city to improve the infrastructure but at the same time protect people from costs? >> it is like having a car that's 75 years old and never changing the oil or tyres, never doing any maintenance. that's what we have across the country with water systems that have pipes in many cases that are a century old. you have to pay a little bit of money in order to maintain something like your water infrastructure. you don't pay for it-- if you don't pay for it now, you will have to pay for it later, with health problems, contamination, breaking water mains. we have quarter of a million water manners in the u.s. every year. we have to take care of this and invest in the ongoing maintenance and updating of our drinking water suppliers or we're going to have more and more problems >>> just a couple of days ago the president spoke to the conference of mayors in washington dc promising them that federal money would be used for municipal water >> we secured additional funding to help cities build water infrastructure. we're going to

let's go to our guest mr olsson in washington. one of your previouslies jobs was an attorney with the environme environmental agency w what is the role of the authorities to protect the water supplies? >> they over see the states and the governments who are supposed to be responsible for making sure that our water is safe, but what has happened is the epa has become afraid of its own shadow. it has been beaten up for being too aggressive in many cases, the budget has been slashed. so i think that they're somewhat reticent sometimes to take action, which is really unfortunate, and we see this constant pillaring of the epa starting to have effect. we would like to see them much stronger and aggressive. we think they dropped the ball here and we need to see more action of the federal epa overlooking the situation >>> there were supposed to be chemicals used to keep water safe. >> cities are supposed to add a chemical to their water that coats the inside of the pipes with a thin film. it's called a corrosion inhibitor. it doesn't elim