SFGTV2 September 16, 2013
And in one year, 1 6 of the population died of yellow fever. Now, they didnt know at the time that yellow fever was carried by mosquitoes. But the health issue was major in that First Movement to build a water system. Narrator so they set out to find the cleanest source of water. Although the majority of philadelphias water now comes from the delaware river, early engineers found that development along the waterfront was causing pollution. So their search led them to the nearby schuylkill river. Philadelphia developed technologies to pump water from the river into the city. These technologies ...