Membership

MAMWA is a statewide association of localities and sanitary commissions and authorities that own or operate municipal wastewater treatment plants and leading consultants that support these public entities with their technical expertise.

Agency Members

Allegany County
Anne Arundel County
Baltimore
Baltimore County
Berlin
Cecil County
Charles County
Cumberland
D.C. Water
Frederick County
Hagerstown
Harford County
Havre de Grace
Howard County
Ocean City
Pocomoke
Queen Anne’s County
Salisbury
Somerset County
St. Mary’s Metropolitan Commission
Washington County
WSSC

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

Consultant Members

Black & Veatch
CH2M
GHD, Inc.
Greeley and Hansen Engineers
Hazen and Sawyer
HDR Engineering, Inc.
O’Brien & Gere
Whitman, Requardt and Associates, LLP