>> reporter: but as jozy altidore works feverishly to get back into this year's world cup, his work off continues. it was 2010, that catastrophic disaster, which left haiti in ruins. jozy felt called. >> when the earthquake hit, it took the wind out of me. i had to do something. >> reporter: his parents are haitian, but raised the future soccer star and three siblings here in florida. >> they left for the opportunity of the american dream. >> reporter: his dream? bringing clean water to the nearly 5 million haitians who don't have access, almost half the country. water, it's something so simple. >> something so simple. so important. that's what i mean. we get water -- you have a bottled water right there. nothing for us. a kid doesn't drink that much water in a week in haiti. >> reporter: some forced to walk miles and crossing dangerous rivers just to fill their buckets. in partnership with generosity water he built this, his first freshwater well. already helping 500 people. and he's just getting started.