Membership

MAMSA is a statewide association of local governments that own or operate regulated municipal separate storm sewer systems (MS4s), and leading consultants that efficiently support these public entities with their technical expertise.

AGENCY MEMBERS

Aberdeen
Berlin
Bel Air
Carroll County
Cecil County
Charles County
Easton
Frederick County
Harford County
Havre de Grace
Howard County
La Plata
Montgomery County
North East
Perryville
Queen Anne’s County
Salisbury
St. Mary’s County
Washington County
Wicomico County

In addition, leading stormwater consulting and engineering firms actively participate as affiliate members to keep abreast of changing policies and to support MAMSA Agency Members with their exceptional technical expertise.

CONSULTANT MEMBERS

AKRF, Inc.
Apex Companies, LLC
Arcadis
Brown and Caldwell
Dewberry
EA Engineering, Science & Technology
Geosyntec Consulting
GHD
Greeley and Hansen
Hazen and Sawyer
KCI Technologies, Inc.