City of Monona's Municipal Separate Stormwater Sewer System Permit (MS4)
The Federal Clean Water Act requires certain communities with stormwater systems that discharge to a lake or stream to obtain a permit for the discharge. Information on the requirements for an MS4 permit can be found at
https://www.epa.gov/npdes.
View the City of Monona's current
WPDES MS4 Permit for MAMSWAP members, approved 7/1/2019. Permit is effective through 2024.
Here is a
factsheet on the permit changes.