and i want to invite you a special event on may 9, sister helen rajeem will be here, and she's well knownand played in deadman walking. that's may 9. i want to thank all volunteers and those who made this event possible. and all of you for attending. thank you and have a good evening.

and i want to invite you a special event on may 9, sister helen rajeem will be here, and she's well known and played in deadman walking. that's may 9. i want to thank all volunteers and those who made this event possible. and all of you for attending. thank you and have a good evening. across america, cities and towns, homes and businesses all depend upon one basic resource. modern civilization and life itself would be impossible without it. woman: okay, so today, we're going to look at how do we get our water? narrator: and today, it's a matter of simply turning on the tap. so often, we forget about the value of water. water is a commodity that is essential to life. 100 years ago, it would have been hard to imagine turning on the tap water. and now, it's an expectation. narrator: over 300 million people live in the united states. and each person uses an average of 100 gallons of water every day. man: what it takes to actually make clean water is somewhat a mystery to most customers. woman: so how does water get from the river into your house, or here at school? woman: somebody has to bri