David Rouzer actually said...

wastewater is often viewed as a source of pollution but should be promoted as a resource to provide sustainable nutrients and energy.

Wastewater infrastructure deficiencies are particularly acute in many small and rural communities.

According to the EPA's last 'Clean Water Needs Survey Report to Congress,' the total documented needs for sustainable wastewater infrastruct...

I think that is a real public policy question that needs to have more of a definitive answer.