(1) Wastewater treatment plants, water treatment plants, water distribution systems, and public wastewater collection systems are classified by grades in accordance with the following:GRADEDESCRIPTIONSIZE
WASTEWATER TREATMENT PLANTS
I Wastewater treatment lagoon ALL
II Trickling filter and/or biological contactor process plant 0 to .999 MGD
Activated sludge process plant 0 to .999 MGD
III Trickling filter and/or biological contactor process plant 1.000 to 15.000 MGD
Activated sludge process plant 1.000 to 5.000 MGD
IV Trickling filter and/or biological contactor process plant >15.000 MGD
Activated sludge process plant >5.000 MGD
PUBLIC WASTEWATER COLLECTION SYSTEMS
I(C) Public wastewater collection systems ALL
WATER TREATMENT PLANTS
II Basic groundwater treatment plants ALL
III Advanced groundwater treatment plants ALL
IV Surface water treatment plants ALL
WATER DISTRIBUTION SYSTEMS
I Water distribution system ALL
(2) Any water or wastewater treatment plant having a combination of treatment processes which are in different grades shall be classified according to the process associated with the higher grade.(3) The Director may change the classification of a particular water distribution system, water treatment plant or wastewater treatment plant when there are unusual factors affecting the quality of the source, the complexity of treatment or distribution, potential health hazards, or compliance history. Upon changing the classification, the Director shall notify the owner of the affected water distribution system, water treatment plant or wastewater treatment plant of the change in classification and shall give the owner a reasonable time to comply with the requirements this Chapter. Authors: Joe Alan Power, Aubrey White
Ala. Admin. Code r. 335-10-1-.03
September 18, 1986. Amended: Filed May 25, 1994; effective July 1, 1994. Amended: Filed December 19, 2002; effective January 23, 2003. Amended: Filed October 21, 2004; effective November 25, 2004.Statutory Authority:Code of Ala. 1975, §§ 22-22A-5, 22-22A-6, 22-22A-8, 22-25-11, 22-25-13.