In July of 1955, William P. (Bill) Allman, began his wastewater career at the City of Kissimmee Sewage Treatment Plant. He received his Class C Wastewater Certification in 1956. After years of studying, working, and managing all areas of a wastewater treatment system, Bill received his Class A wastewater license in 1962. Currently, Bill maintains the sixth oldest wastewater operating license and the eleventh oldest drinking water license within the State of Florida.

From the early 1980s through the mid-1990s, he was the Plant Manager of the Ironbridge Water Pollution Control Facility in Orlando, Florida and involved in the rapid growth of the Central Florida. He managed the personnel to handle the rapid expansion of the Disney World area. His achievements and awards are many including the L.H.Scott Award, William D. Hatfield Award, Honorary Life Member of Florida Water & Pollution Control Operators Association, along with serving as the past president of FW&PCOA, FSSSSS, and FWEA.

Bill has been recognized statewide as well as nationally for his leadership and management courses, his involvement in operator short schools, adult vocational training, and certification exams review. Bill has been a true leader in the wastewater field for over sixty-one years.