Current through May 29, 2024
Section 327 IAC 5-22-4 - Classification of wastewater treatment plants; nonindustrial treatment plantsAuthority: IC 13-14-8; IC 13-18-11-2; IC 13-18-11-13
Affected: IC 13-18-11
Sec. 4.
A nonindustrial wastewater treatment plant shall be classified into one (1) of five (5) classifications based on the design population equivalent of the plant according to the following:
(1) Class I-SP includes all waste stabilization ponds, whether controlled discharge or continuous discharge, regardless of flow.(2) Class I includes wastewater treatment plants having a design population equivalent of less than two thousand (2,000).(3) Class II includes wastewater treatment plants having a design population equivalent:(A) equal to or greater than two thousand (2,000); and(B) less than ten thousand (10,000).(4) Class III includes wastewater treatment plants having a design population equivalent:(A) equal to or greater than ten thousand (10,000); and(B) less than or equal to forty thousand (40,000).(5) Class IV includes wastewater treatment plants having a design population equivalent greater than forty thousand (40,000).Water Pollution Control Board; 327 IAC 5-22-4; filed Nov 20, 2000, 4:07 p.m.: 24 IR 964; readopted filed Aug 17, 2006, 10:31 a.m.: 20060830-IR-327060183BFA; filed Mar 18, 2008, 2:55 p.m.: 20080416-IR-327060179FRAReadopted filed Jul 30, 2014, 4:04 p.m.: 20140827-IR-327140189BFAReadopted filed 5/27/2020, 11:52 a.m.: 20200624-IR-327200186BFA