City releases water resources survey

Commentary: From clean waters to your pint glass

Sewage spill casts doubt on Peaks to Portland Swim, a summer staple

Organizers for the event Saturday are optimistic tests will show that competitors face no danger.

1 million-gallon sewage spill closes Portland’s East End beach and trail

The Portland Water District says the partially treated wastewater ended up in Casco Bay because a disinfection tank wasn't put back online after being cleaned, and another was overwhelmed by high flows caused by overnight rains.

Want real-time notifications on sewer overflow events in Portland? Follow @CascoBayBot

Our Twitter bot monitors local rainfall reports and tweets when Portland's sewers are likely to overflow into Casco Bay. Here's how it works.