rural alabama where help is needed. reporter: america in 21st cee in the backyards of the rural poor. in lowndes county, alabama, perman hardy knows all about it. when there s a lot of rain you cannot flush the toilet. reporter: if you did it would be all over your house. yes, when it goes bloop, bloop, get ready, here it comes. reporter: in the unincorporated areas of this county, the martin luther king famously led selma to montgomery march, there s no municipal sewage system and for an estimated 80% of households no adequate september system either. backs up in the shower, backs up in the tub, gnats everywhere. reporter: r raw sewage flooded his mother s house. this is the tub that had the