The Mahoning County Sanitary Engineering Department offices located at 761 Industrial Rd. Youngstown, Ohio 44509 are open to the public from 7:30am-3:30pm Monday through Friday. The Mahoning County Sanitary Engineering Wastewater Treatment Plants and emergency services are open 24 hours / 365 days a year.  

General information inquiries and questions concerning your sewer and or water bill may be emailed to [email protected] or call 330-793- 5514 option 2. 

Sanitary sewer permits are preferred to be issued by appointment. Please call to schedule an appointment at  330-793-5514, Option 4 or ext. 8207, 8209 or 8212.

Payments for sewer and water are encouraged to be made online by following the directions on your bill. If you would like to make an appointment for insured priority service please contact the department at 330-793-5514 option 2.

o    Inspections for new laterals must be scheduled twenty four (24) hours in advance. Call 330-793- 5514 Option 4 or ext. 8207,  8209 or 8212.

o    Emergencies including sanitary sewer backups occurring during normal business Monday- Friday from 7:30am-3:30 pm hours please call 330-793-5514 Option 1, for after-hours assistance please call 330-758‐6641