The bill amends Section 1158 of Title 59 of the Oklahoma Statutes, which governs the installation of individual sewage disposal systems. The key changes include a reduction in the number of installations that require certification from the Department of Environmental Quality from more than ten systems to more than one system per calendar year. Additionally, the term "systems" is changed to "system" to reflect this new threshold. The bill also updates the terminology used in the statute, changing "Specialists" to "specialists."

Furthermore, the bill outlines the responsibilities of the Environmental Quality Board, which includes establishing minimum certification requirements, procedures for penalties, and rules for the suspension or revocation of certifications. It also mandates that an annual fee be paid for each certification. The bill is set to take effect on November 1, 2025.