Lake and Dam2018-05-04T17:27:21+00:00

Lake and Dam

Lake and dam engineering services are not just used to beautify residential and commercial developments, but also to provide practical and economical solutions for excess stormwater in the form of reservoirs, spillways and detention ponds.

Whether you are building new or repairing an existing facility, our engineers have the skills, experience and technology to help deliver the results you need in the following areas:

  • Hydrologic / hydraulic analysis
  • Dam breach
  • HEC-1
  • Emergency action plan
  • Topographic survey

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Exceptional Service. Nothing Less.


TWM continues the important business of supporting our nation’s essential infrastructure in these uncertain times. We are committed to our mission of providing Exceptional Service, Nothing Less to you, our clients and partners. As a professional services firm, the health of our employee-owners and their families is paramount. We are following government directives and public health guidance, implementing work-from-home and other social distancing and hand hygiene practices. We have employed additional technological resources to support our modified operating structure, and we expect to be able to do so with minimal disruption. If you need to visit our offices in person or have trouble reaching your TWM contact, please contact us at 618.624.4488 so we can make arrangements or put you in touch with the appropriate person. Thank you for placing your trust in TWM. Wishing you safety and good health.