The Greater Lawrence Sanitary District lists all recent CSO and High Flow Treatment Alerts on this page.  Please click on the links below for additional information.

This page will only contain content when there has been an active CSO or High Flow Treatment has been initiated.

High Flow Treatment Alert: July 30, 2026 Start:2:33am – July 30, 2026 End:4:46am

View Current high Flow Treatment Initial Notification

View Current High Flow Treatment Follow-Up Notification

CSO Alert: July 30, 2026 Start:2:17am – July 30, 2026 End: 2:46am

View Current CSO Initial Notification

View Current CSO Follow-Up Notification

To learn more about CSOs, click here.