Administrative Staff

Keith Arbuckle: Executive Director

With a degree in mechanical engineering, Keith has the responsibility for all engineering aspects of the District, including all plan reviews and all major renovation and expansion projects. Previously Keith was plant manager and district engineer for the Little Blue Valley Sewer District, one of the largest sanitary districts in the state of Missouri. Keith is a member of the Missouri Society of Professional Engineers and has served as President of the Missouri Water Environment Association. Keith, his wife Jeana and children Mitchell, Evan and Elise live in O’Fallon.


Julie O’Guinn: Director of Finance & Administration

As Director of Finance & Administration, Julie is responsible for the financial, customer service and personnel aspects of the District.  Julie came to the District with over twenty years of public sector experience and over thirteen years in government budgeting, human resources and accounting, serving most recently as the Director of Finance at the cities of Ladue and Frontenac.  Julie is a member of the Government Finance Officers Association and serves as President of the St. Louis Eastern Chapter.  Julie holds a Bachelor’s degree in Management, Business and Human Resources from Webster University.  Julie resides in the City of Ballwin Missouri.  Julie has an adult son Tyler.