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Dan Ott

Dan is a Managing Engineer for Collection Systems at Johnson County Wastewater (JCW), a county department responsible for providing wastewater treatment for approximately 440,000 people in Johnson County, Kansas. JCW operates and maintains seven treatment facilities along with approximately 2,200 miles of separate sanitary sewers. Their proactive infiltration and inflow (I/I) reduction programs continue to be a featured case study on USEPA’s website (, and one of Dan’s current projects is a pilot I/I rehabilitation project that will implement various different types of repair strategies in different parts of the collection system to measure the effectiveness and costs associated with each strategy and help determine the most sustainable approach for I/I reduction elsewhere in the watershed.


Prior to joining JCW in 2002, Dan was a project engineer with George Butler Associates. He earned a Bachelor of Science in Civil Engineering from Kansas State University and a Masters in Business Administration from the University of Kansas. Dan is a registered professional engineer in the state of Kansas.


Dan is a very active member of the Kansas Water Environment Association (KWEA) and Water Environment Federation (WEF) where he currently serves as co-chair of the Wet Weather Workgroup in the Government Affairs Committee.