Sanitary Sewer Authority


Jackie Coles

Munhall Sanitary Sewer Municipal Authority (MSSMA)
P O BOX 3178
Munhall PA 15120
(412) 464-7373

Office Hours:

Monday & Friday – By Appointment Only
Tuesday – 9 am to 2 pm
Wednesday – 9 am to 2 pm
Thursday – 9 am to 2 pm

Visit the new MSSMA Website by clicking the following:

Monthly Meetings are held the 1st Wednesday of each month in the Munhall Council Chambers at 6:30PM. Request to speak need to be submitted to at least 24 hours in advance.

The mail drop box is located on first floor across from Tax Office (ORANGE BOX) and the actual office is located on the second floor. You can call the office at 412-464-7373 or email the main email box at or email Jackie Coles, Office Administrator at

Please do not email the Sewage Authority or leave messages on this line regarding delinquent sewage bills. For delinquent sewage bills contact Legal Tax Service at 412-464-9555.

To make online payments for a current bill only, you can go to Again, only current bill payments will be accepted through this link.

If you require a dye test, you can contact any registered plumber certified in Allegheny County. Download and print the Dye Test Form (above), and submit the passing dye test with a $30.00 payment (for dye test certification). The dye test can be emailed, but the check needs to be mailed to the address above, or dropped in the “ORANGE” drop box in the main lobby of the Borough Building.


ALCOSAN Clean Water Assistance Fund (pdf)