This is something we’ve seen in Albuquerque over the last two decades of remarkable municipal water conservation success: revenue shortfalls with the old business model of selling water and, ickier, a change in what my UNM colleague Bruce Thomson calls “turd mechanics”. Matt Stevens in the LA Times:

Shorter showers, more efficient toilets and other reductions in indoor water usage have meant less wastewater flowing through sewer pipes, sanitation officials say. With less flow to flush the solids down the system, those solids are collecting and can eventually damage pipes.