38 million gallons? That represents less than what flows through Portland's rivers each minute of every day. (The Columbia river flows at over 100 million gallons per minute.). Portland's water supply is limited by treatment facility capacity - and considering the time of year, we have plenty.
In addition, Portland's water bureau falls under the authority of a single elected city council position. You think that person is going to risk reelection by not dumping drinking water that's contaminated by human waste, regardless of the lack of health risk?
In addition, Portland's water bureau falls under the authority of a single elected city council position. You think that person is going to risk reelection by not dumping drinking water that's contaminated by human waste, regardless of the lack of health risk?