. >> reporter: mary marr of washington, d.c., said she started worrying about her tap water during thelint, michigan. so what are you most worried about about your water? >> the chemicals that might be in our water that we can't see and we don't know about. >> reporter: we showed her a report from the environmental contaminant group. >> nine contaminants above health guidelines, but there's 18 other contaminants. that's kind of crazy. >> reporter: the database allows consumers to go online and see exactly what contaminants are in the water in their area. the new report also says almost 19,000 water sources in the u.s. could have lead and 93 have increased risks to cancer. >> who is most at risk? >> most at risk are young children, babies, and pregnant women. >> reporter: the u.s. environmental protection agency said in a statement america's drinking water remains among the safest in the world and protecting drinking water is epa's top priority. the agency also says more than 90% of the nation's drinking water systems meet all of the safety water standards. >> they meet the standards. d

. >> reporter: mary marr wonders what it means for her young daughter. >> you wonder about trusting thetates. >> there is good news in all this. water filters can reduce or even eliminate many of the contaminants but depending on what's coming into your home, the price could be anywhere from $20 to more than $1,000. chip reid, cbs news, wham. >>> coming up on "cbs this morning," a new trend in housing called agrihoods, which are built around farms and how kids are getting a healthy lesson in eating p chip reid takes us to one of those that. is the "cbs morning news" for this monday. thanks for watching. i'm anne-marie green. i'm anne-marie green. have a great day. -- captions by vitac -- www.vitac.com when things go wrong here, you remember. quilted northern is designed to work so well, you can forget your bathroom trips. but sir froggy can never forget. "i used to be a prince. but no princess would kiss me now." in a survey of 40,000 people, air wick was voted product of the year in air care for it's scented oil warmer. with the best fragrance control available for the perfect amount i