PART304. EFFLUENT STANDARDS  


SUBPART A. GENERAL EFFLUENT STANDARDS
§ 304.101. Preamble
§ 304.102. Dilution
§ 304.103. Background Concentrations
§ 304.104. Averaging
§ 304.105. Violation of Water Quality Standards
§ 304.106. Offensive Discharges
§ 304.120. Deoxygenating Wastes
§ 304.121. Bacteria
§ 304.122. Total Ammonia Nitrogen
§ 304.123. Phosphorus
§ 304.124. Additional Contaminants
§ 304.125. pH
§ 304.126. Mercury
§ 304.140. Delays in Upgrading [Repealed]
§ 304.141. NPDES Effluent Standards
§ 304.142. New Source Performance Standards [Repealed]
SUBPART B. SITE SPECIFIC RULES AND EXCEPTIONS NOT OF GENERAL APPLICABILITY
§ 304.201. Wastewater Treatment Plant Discharges of The Metropolitan Water Reclamation District of Greater Chicago
§ 304.202. Chlor-alkali Mercury Discharges in St. Clair County
§ 304.203. Copper Discharges by Olin Corporation
§ 304.204. Schoenberger Creek: Groundwater Discharges
§ 304.205. John Deere Foundry Discharges [Repealed]
§ 304.206. Alton Water Company Treatment Plant Discharges
§ 304.207. Galesburg Sanitary District Deoxygenating Wastes Discharges
§ 304.208. City of Lockport Treatment Plant Discharges
§ 304.209. Wood River Station Total Suspended Solids Discharges
§ 304.210. Alton Wastewater Treatment Plant Discharges
§ 304.211. Discharges From Borden Chemicals and Plastics Operating Limited Partnership Into an Unnamed Tributary of Long Point Slough [Repealed]
§ 304.212. Sanitary District of Decatur Discharges
§ 304.213. PDV Midwest Refining, L.L.C. Refinery Ammonia Discharge [Repealed]
§ 304.214. Mobil Oil Refinery Ammonia Discharge [Repealed]
§ 304.215. City of Tuscola Wastewater Treatment Facility Discharges
§ 304.216. Newton Station Suspended Solids Discharges
§ 304.218. City of Pana Phosphorus Discharge
§ 304.219. North Shore Water Reclamation District Phosphorus Discharges
§ 304.220. East St. Louis Treatment Facility, Illinois-American Water Company [Repealed]
§ 304.221. Ringwood Drive Manufacturing Facility in McHenry County
§ 304.222. Intermittent Discharge of TRC
§ 304.224. Effluent Disinfection
SUBPART C. TEMPORARY EFFLUENT STANDARDS
§ 304.301. Exception for Ammonia Nitrogen Water Quality Violations [Repealed]
§ 304.302. City of Joliet East Side Wastewater Treatment Plant [Repealed]
§ 304.303. Amerock Corporation, Rockford Facility [Repealed]
§ 304.APPENDIX A. Reference to Previous Rules [Repealed]
SOURCE: Filed with the Secretary of State January 1, 1978; amended at 2 Ill. Reg. 30, p. 343, effective July 27, 1978; amended at 2 Ill. Reg. 44, p. 151, effective November 2, 1978; amended at 3 Ill. Reg. 20, p. 95, effective May 17, 1979; amended at 3 Ill. Reg. 25, p. 190, effective June 21, 1979; amended at 4 Ill. Reg. 20, p. 53, effective May 7, 1980; amended at 6 Ill. Reg. 563, effective December 24, 1981; codified at 6 Ill. Reg. 7818; amended at 6 Ill. Reg. 11161, effective September 7, 1982; amended at 6 Ill. Reg. 13750, effective October 26, 1982; amended at 7 Ill. Reg. 3020, effective March 4, 1983; amended at 7 Ill. Reg. 8111, effective June 23, 1983; amended at 7 Ill. Reg. 14515, effective October 14, 1983; amended at 7 Ill. Reg. 14910, effective November 14, 1983; amended at 8 Ill. Reg. 1600, effective January 18, 1984; amended at 8 Ill. Reg. 3687, effective March 14, 1984; amended at 8 Ill. Reg. 8237, effective June 8, 1984; amended at 9 Ill. Reg. 1379, effective January 21, 1985; amended at 9 Ill. Reg. 4510, effective March 22, 1985; peremptory amendment at 10 Ill. Reg. 456, effective December 23, 1985; amended at 11 Ill. Reg. 3117, effective January 28, 1987; amended in R84-13 at 11 Ill. Reg. 7291, effective April 3, 1987; amended in R86-17(A) at 11 Ill. Reg. 14748, effective August 24, 1987; amended in R84-16 at 12 Ill. Reg. 2445, effective January 15, 1988; amended in R83-23 at 12 Ill. Reg. 8658, effective May 10, 1988; amended in R87-27 at 12 Ill. Reg. 9905, effective May 27, 1988; amended in R82-7 at 12 Ill. Reg. 10712, effective June 9, 1988; amended in R85-29 at 12 Ill. Reg. 12064, effective July 12, 1988; amended in R87-22 at 12 Ill. Reg. 13966, effective August 23, 1988; amended in R86-3 at 12 Ill. Reg. 20126, effective November 16, 1988; amended in R84-20 at 13 Ill. Reg. 851, effective January 9, 1989; amended in R85-11 at 13 Ill. Reg. 2060, effective February 6, 1989; amended in R88-1 at 13 Ill. Reg. 5976, effective April 18, 1989; amended in R86-17(B) at 13 Ill. Reg. 7754, effective May 4, 1989; amended in R88-22 at 13 Ill. Reg. 8880, effective May 26, 1989; amended in R87-6 at 14 Ill. Reg. 6777, effective April 24, 1990; amended in R87-36 at 14 Ill. Reg. 9437, effective May 31, 1990; amended in R88-21(B) at 14 Ill. Reg. 12538, effective July 18, 1990; amended in R84-44 at 14 Ill. Reg. 20719, effective December 11, 1990; amended in R86-14 at 15 Ill. Reg. 241, effective December 18, 1990; amended in R93-8 at 18 Ill. Reg. 267, effective December 23, 1993; amended in R87-33 at 18 Ill. Reg. 11574, effective July 7, 1994; amended in R95-14 at 20 Ill. Reg. 3528, effective February 8, 1996; amended in R94-1(B) at 21 Ill. Reg. 364, effective December 23, 1996; expedited correction in R94-1(B) at 21 Ill. Reg. 6269, effective December 23, 1996; amended in R97-25 at 22 Ill. Reg. 1351, effective December 24, 1997; amended in R97-28 at 22 Ill. Reg. 3512, effective February 3, 1998; amended in R98-14 at 23 Ill. Reg. 687, effective December 31, 1998; amended in R02-19 at 26 Ill. Reg. 16948, effective November 8, 2002; amended in R02-11 at 27 Ill. Reg. 194, effective December 20, 2002; amended in R04-26 at 30 Ill. Reg. 2365, effective February 2, 2006; amended in R08-9B at 36 Ill. Reg. 2586, effective February 2, 2012; amended in R13-20 at 38 Ill. Reg. 6107, effective February 26, 2014; amended in R18-23 at 47 Ill. Reg. 4601, effective March 23, 2023.

Notation

AUTHORITY: Implementing Section 13 and authorized by Section 27 of the Environmental Protection Act [415 ILCS 5/13 and 27].