Bull Run
Season 4 Episode 401 | 29m 14s | Video has closed captioning.
Few other cities in the world have water as pure and as well protected as Portland. For nearly 115 years, an ingenious, gravity-fed system has delivered mountain rainwater from an isolated river called the Bull Run. This program reveals the little-known but rich history of Portland's water supply.
Aired: 10/12/09
