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Combined Sewer Overflow Public Notifications
Combined Sewer Overflow (CSO) public notifications will be posted to this page according to 314 CMR 16.04.
When a discharge or overflow occurs, The CIty of Chicopee will send out a public advisory notification. On business days, this website will be updated within 18 hours of the notification. During weekends or holidays, this website will be updated on the next business day.
You can also see a list of discharge and overflow events on the MassDEP website (link below). This list is updated within 24 hours of when the public advisory notification is sent. Enter CHICOPEE in the Permittee field and click “Search”.
CSO Public Notification Clearinghouse Website- MassDEP
The fastest way to get information is to sign up to receive public advisory notifications. To sign up, please send an email request to:
Quinn Lonczak- Project Supervisor- qlonczak@chicopeema.gov
For a map showing locations of the City's combined sewer outfalls with their NPDES numbers, please follow the below link:
For the contents of the City's long-term CSO control plan and Integrated Management Plan, please follow this link:
Integrated Management Plan 2018 Update
For the City's previous annual NPDES CSO reports, please follow the below links:
Discharge Data:
7/2/23- 7/4/23 Datos en espanol