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Sheppard Tappen Powell

consultant engineer.

Sheppard Tappen Powell, American consultant engineer.


Powell, Sheppard Tappen was born on August 5, 1883 in Troy, New York, United States. Son of George Densmore and Mary (Johnston) Powell.


C.E., Rensselaer Polytech. Institute, 1908.


1 son, Robert Franklin. Chemical engineer Baltimore County Water & Electric Company, 1904. Engaged in private consultant engring, practice, since 1912.

Proprietor Sheppard T. Powell and Associates, Baltimore, since 1958. Consultant National Resources Board, 1934-1938. Tennessee Valley Authority, since 1940.

Technical adviser to secretary Department of Interior, since 1955. Cons, Atomic Energy Commission, since 1943. Adviser California, New Jersey, Maryland., others.

Special lecturer School Hygiene, Johns Hopkins, 1929-1937. Vice chairman Maryland. Board Registration Professional Engineers, 1939-1948.

Member Water Pollution Control Commission Maryland., 1947-1950. Commission to study fire department high pressure system, City of Baltimore, 1960. Chairman nat. water policy panel Engineers Joint Council.


Member Water Pollution Control Commission Maryland., 1947-1950. Fellow, honorary; member American Society of Mechanical Engineers. Member American Water Works Association.

Member American Public Health Assn. Member American Society Testing Materials, American Chemical Society, American Institute Cons. Engineers, American Institute Chemical Engineers, Newcomen Society Great Britain, Maryland.

Academy Sciences, Maryland. History Society, Academy Natural Sciences Philadelphia. Clubs: Cosmos (Washington).


Married Florence May Neer, May 15, 1964.

George Densmore Powell

Mary (Johnston) Powell

Florence May Neer