West Mifflin Sanitary Sewer & Stormwater Authority

05/28/2026

04/22/2026

Happy Earth Day!
Help Protect Our Streams: Manage Stormwater & Wastewater the Right Way! 🌎☔️

01/26/2026

The office staff will be working remotely. You can also reach us by sending an email to [email protected] OR send us a message on our website at: https://wmssma.org/contact-us-1
Sorry for any inconvenience this may cause. Stay safe! ❄️

11/21/2025

The West Mifflin Sanitary Sewer & Stormwater Authority Office will be closed on Thursday, November 27th, and Friday, November 28th for the Thanksgiving Holiday. Normal business hours will resume at 7:00am on Monday, December 1st, 2025.

If you have an emergency, please call West Mifflin Police at (412)-461-0600, or dial 911.
Sorry for any inconvenience this may cause.

Happy Thanksgiving! 🦃

11/04/2025

🚧 Heads up, neighbors!🚧
Kings Road will be temporarily closed starting on November 12th from 8:30–11:00 AM and 11:30 AM–1:30 PM for stormwater repairs. We’ll open the road from 11:00–11:30 AM to let everyone in and out. Thanks for your understanding while we take care of these Stormwater upgrades! Please see below for more information.

10/29/2025

Public Notice - November Board Meeting Cancellation
Any questions, please give us a call or send us an email.

07/15/2025

With rain in the forecast all week, please see the flyer below for some Illicit Discharge & Detection information & Pollution Reduction Plan updates from WMSSSA! 🌦

05/12/2025

🚧Tis the season for Construction!🚧
Help WMSSSA raise awareness for Contractors to understand the importance of erosion and sediment controls during construction season! Click here for more information!

Construction activities can lead to erosion- the wearing away of land through wind, water, gravity, or other processes. Not only can soil loss negatively affect the site under development, but the introduction of heightened levels of soils and sediments into local waterways can be harmful to aquatic...

05/06/2025

💧WMSSSA teamed up with the students at the West Mifflin Area High School Environmental Club this Earth Day to bring Stormwater Pollution Awareness. This is part of the Public Involvement & Participation Plan we have in place for our current stormwater permit, issued from the Department of Environmental Protection.

💧Congratulations to the 11th grade winner, Rinad! She did an amazing job creating this flyer! WMSSSA looks forward to working together again in the future!

💧Be sure to check out our website to see more stormwater information & involvement with the Environmental Club and how they have helped us reach these permit requirements so far: https://wmssma.org/stormwater-%2F-ms4

04/22/2025

Happy Earth Day!!🌎
Here are 10 ways that you can make everyday Earth Day!

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