History

KJ is proud of our 100-year history as an employee–owned firm with nearly 400 staff, including engineers and scientists across 13 states throughout the country.

Clyde C. Kennedy
Clyde C. Kennedy opens an engineering office in San Francisco, CA
1919
Reno/Sparks Water Treatment Plant
Clyde Kennedy designs first sewage treatment plants for Reno/Sparks
1927 - 1929
History Timeline
Harry Jenks piloting biofilterization
1927
John and father Harry Jenks
John Jenks joins father, Harry N. Jenks, who previously worked for Clyde Kennedy, to form Jenks and Jenks Consulting
1948
Secondary treatment plant for Sanitary District No. 1
Harry Jenks designs secondary treatment plant for Sanitary District No. 1 in Marin County
1948 - 1953
Sewage treatment works
Construction of sewage treatment works, Phoenix AZ
1950
Winter Olympics, Squaw Valley Project
Winter Olympics – Squaw Valley Project
1960
Chambers Creek Regional Wastewater Treatment Plant Expansion
Chambers Creek Regional Wastewater Treatment Plant Expansion, Pierce County, WA
1970

KJ Expands to Hawaii - Honolulu, HI

1973
EBDA Project
Kennedy Engineers and Jenks & Harrison collaborated on the EBDA Project. The success of this Project led to the merger of the two firms to become KJ
1980

KJ Expands in Oregon - Portland, OR

1990
Advanced Fuels Receiving Facility
Advanced Fuels Receiving Facility, Encina Wastewater Authority, CA
2000

KJ Expands to East Coast – Chicago, IL, Princeton, NJ

2014
KJ Turns 100
KJ Turns 100
2019

Services we offer

News & Insights

12.19.2020  /  News

Kennedy Jenks Joins SWAN to Advance ‘Smart’ Water and Wastewater Solutions

11.02.2020  /  Awards, News, Projects

KJ’s Tualatin Interceptor and Siphon Improvements Project Wins Oregon Chapter APWA Award – ‘2020 Project of the Year’

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Water
Environmental

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