Current through Register Vol. 54, No. 25, June 22, 2024
Section 302.902 - Classifications and subclassifications of wastewater systems(a) Wastewater systems will be classified into one of five classifications being designated as Classification A, B, C, D or E as follows:(1)Classification A. Wastewater systems with a permitted average daily discharge flow greater than 5 million gallons per day or unlimited permitted discharge flows.(2)Classification B. Wastewater systems with a permitted average daily discharge flow greater than 1 million gallons per day but less than or equal to 5 million gallons per day.(3)Classification C. Wastewater systems with a permitted average daily discharge flow greater than 100,000 gallons per day but less than or equal to 1 million gallons per day.(4)Classification D. Wastewater systems with a permitted average daily discharge flow equal to or less than 100,000 gallons.(5)Classification E. A satellite collection system.(b) Each wastewater system Classification A, B, C and D must be assigned one or more of 4 treatment subclassifications that identifies the treatment or collection methods, or both, used to process wastewater at that system: (1) Subclassification 1-Activated Sludge.(2) Subclassification 2-Fixed Film.(3) Subclassification 3-Treatment Ponds and Lagoons.(4) Subclassification 4-Single Entity Collection System.(c) Upon written notice provided to the owners and available operators of the system, the Department may change the classification or subclassification of a wastewater system because of changes in the conditions or circumstances at the system, including, but not limited to:(1) An increase in capacity that changes the class of the system.(2) The addition or loss of a treatment technology.(3) Other Federal or State regulatory changes in requirements relating to treatment technology used at the system.(4) The issuance of a permit changing the class or subclassification of a system. This section cited in 25 Pa. Code § 302.1003 (relating to certification classes and subclassifications of wastewater system operators); and 25 Pa. Code § 302.1206 (relating to operator in responsible charge).