Harry B. "Hal" Walker Joins Costello's Water/Wastewater Division

Sep 18, 2018

Harry B. "Hal" Walker, P.E. joined Costello this year as a Senior Project Manager in the Water/Wastewater Division.

Hal has over 25 years of experience in the industry including planning/design/rehabilitation of plant facilities; lift station design/evaluation/rehabilitation; gravity sewers and force mains; as well as capacity analyses, feasibility studies, and system evaluations. Over the years, he has developed strong working relationships at the TCEQ which will be a valuable to asset both to his clients and to Costello.

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