Photo detail

Paul Olson holds a ball of rich composting material derived from what used to be sewage at the City of Walla Walla Sewage Treatment Plant. Olson said the compost is perfect for local farmers but may still make you sick without washing your hands after handling it. Thursday, May 13, 2010

Stories this photo appears in:

Walla Walla wastewater goes down the drain, and then?

Walla Walla's wastewater treatment process takes about a day for any given flush, resulting in clean water to put back in Mill Creek.

WALLA WALLA -- Do you ever wonder what happens to the water in the toilet after you flush it? We often do not think about the people and the processes that work day in, day out to make the essential service of wastewater treatment possible.


Use the comment form below to begin a discussion about this content.

Sign in to comment

Click here to sign in