Skip to main content
View Contact Information

The OSE team works remotely from time to time, so please call their cell phones if you are unable to reach them at their office extensions.


Monday - Wednesday
8:30 a.m. - 4:30 p.m.

8:30 a.m. - 7:30 p.m.

8:30 a.m. - 12:30 p.m.

OSE generally has virtual open office hours every second Thursday of the month from 5-7 p.m. Click to join



City Hall Annex
50 Evergreen Ave.
Somerville, MA 02145

View All Staff Contacts


Programs & Initiatives

MWRA and the Cities of Cambridge and Somerville have implemented a system for rapid reporting of CSO discharges to the Alewife Brook.
Get your flu shot and updated COVID-19 booster at a City of Somerville clinic this fall. Both are strongly recommended to protect yourself and others from serious illness.

Please submit website feedback using this form. Be sure to include:

A description of the issue (if any)
A link to the affected pages

Thank you for your feedback!