CMA Engineers
Civil Engineering - Drainage

Municipal Drainage Structure on the eastern Slpe of Mt. Washington CMA Engineers designs drainage facilities of many different sizes, functions and types. Targeted watershed analyses; technically correct, supportable and common sense designs; consideration of the impacts of precipitation events that are "off the charts"; and careful design of stormwater retention and treatment facilities yield drainage improvements which are well thought out, and meet our clients' needs.

Engineered Drainage Stone Headwall CMA Engineers' stormwater management services are comprehensive, including the full range of permitting requirements. The regulations, engineering practices and technologies pertaining to maintaining urban stormwater quality are evolving and are likely to become more important to municipalities' public works operations, and to maintaining adequate surface water quality, in the future. CMA Engineers strives to stay ahead of the curve in this evolving area of practice.

Stormwater Treatment Research Facility One unique stormwater management project involved the design of a full scale research facility where multiple stormwater treatment devices were installed with the ability to throttle influent flow to one or more during each storm event.

Welcome to CMA Engineers.  Please feel free to contact us about your Engineering needs.  From Civil & Municipal to Resedential Engineering needs, CMA Engineers can coordinate all phases from planning to development.

35 Bow Street
Portsmouth, NH 03801
p. 603.431.6196
f. 603.431.5376



Lafayette Center
Suite 208
Kennebunk, ME 04043
p. 207.985.8717
f. 207.985.5520



Langer Place
55 South Commercial St
Manchester, NH 03101
p. 603.627.0708
f. 603.627.0746






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35 Bow Street, Portsmouth, NH 03801 | phone: 603.431.6196 |