In September 2017, Tom Williams was a speaker at the Tri-State Seminar. The seminar aimed to “provide training and certification classes for water, wastewater and stormwater industry professionals from California, Nevada, and Arizona.”
In September 2017, Tom Williams was a speaker at the Tri-State Seminar. The seminar aimed to “provide training and certification classes for water, wastewater and stormwater industry professionals from California, Nevada, and Arizona.”