Bull Run

Latest Stories

The Portland Water Bureau is considering two water treatment options after the EPA ruled the city must take steps to prevent further outbreaks of cryptosporidium in its Bull Run water supply: an ultraviolet water treatment center and a traditional water filtration center.

Oregon wants quick fix to high lead levels in Portland’s water

This past November, Portlanders got an urgent reminder that the city’s lead problem has persisted. Out of 104 homes sampled by the water bureau, 10% had lead levels higher than 21 parts per billion (or ppb) — the highest results the city has seen in two decades and well above the federal limit.


Bull Run Watershed

Portland Weighs $500 Million Water Treatment Plant

The Portland Water Bureau is weighing options to comply with a federal rule that requires treatment of the city’s drinking water supply for a single-celled parasite. The cost could be $500 million.

Bull Run Quake Science

New research aims to find out how destructive a Cascadia earthquake would be for Portland's water supply. 

No More Results