PRAIRIE STATE GENERATING STATION

Address

1739 NEW MARIGOLD RD.
MARISSA, IL 62257
View on map ↗

County

WASHINGTON County

Industry

Utilities

NAICS (North American Industry Classification)

221112

Inspections

6 · last Aug 1, 2024

Total Penalties

$0

Registry ID

110044852068

How This Compares

#1 of 914 TRI reporters in IL

#3 of 584 TRI reporters in Utilities

Ranked by most recent year's total TRI releases.

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

1

Air (CAA)
Qtrs Non-Compliant

6

Water (CWA)
Qtrs Non-Compliant

0

Hazardous Waste (RCRA)
Qtrs Non-Compliant

TRI Toxic Chemical Releases

Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.

Emissions Trend (2015–2024) -20% overall

Year	Total Releases (lbs)	vs Prior Year
2015	8,318,404	—
2016	8,327,983	0%
2017	7,495,722	-10%
2018	8,632,021	+15%
2019	8,315,581	-4%
2020	8,073,139	-3%
2021	7,071,611	-12%
2022	7,159,355	+1%
2023	6,942,618	-3%
2024	6,693,732	-4%

2024

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	1,703,755	2,856	15	1,700,884	132
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,239,749	290	—	1,239,459	—
Vanadium compounds	1,171,745	665	—	1,171,080	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	731,850	737	7	731,106	—
Manganese compounds	465,073	1,059	—	464,014	—
Nickel compounds	445,282	627	7	444,648	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	359,556	359,556	—	—	—
Copper compounds	345,944	366	48	345,530	—
Lead compounds	110,038	174	22	109,842	—
Cobalt compounds	86,723	86	—	86,637	—	♦ Carcinogen
Beryllium compounds	20,095	8	1	20,086	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	10,665	10,665	—	—	—
Hydrogen fluoride	1,273	1,273	—	—	—
Ammonia	1,115	966	149	—	—
Mercury compounds	867	67	0	800	0
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2023

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	1,612,459	3,125	22	1,609,312	113
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,553,649	338	—	1,553,311	—
Vanadium compounds	1,035,950	642	—	1,035,308	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	801,661	836	68	800,757	—
Manganese compounds	481,508	1,083	—	480,425	—
Nickel compounds	462,233	709	27	461,497	—	♦ Carcinogen
Copper compounds	392,984	307	27	392,650	—
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	362,971	362,971	—	—	—
Lead compounds	107,601	180	34	107,387	—
Cobalt compounds	80,424	96	—	80,328	—	♦ Carcinogen
Arsenic compounds	20,464	31	56	20,377	—	♦ Carcinogen
Beryllium compounds	14,721	6	1	14,714	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	11,356	11,356	—	—	—
Ammonia	2,273	1,201	1,072	—	—
Hydrogen fluoride	1,344	1,344	—	—	—
Mercury compounds	1,019	64	0	955	0
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2022

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	1,975,721	3,225	23	1,972,473	119
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,402,480	334	—	1,402,146	—
Vanadium compounds	1,235,671	648	—	1,235,023	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	834,380	856	56	833,468	—
Nickel compounds	452,248	731	47	451,470	—	♦ Carcinogen
Manganese compounds	448,400	1,108	—	447,292	—
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	326,556	326,556	—	—	—
Copper compounds	247,652	316	12	247,324	—
Lead compounds	114,870	171	35	114,664	—
Cobalt compounds	77,977	97	—	77,880	—	♦ Carcinogen
Arsenic compounds	16,931	32	58	16,841	—	♦ Carcinogen
Beryllium compounds	12,642	5	1	12,636	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	10,358	10,358	—	—	—
Hydrogen fluoride	1,240	1,240	—	—	—
Ammonia	1,205	974	231	—	—
Mercury compounds	1,022	74	0	948	0
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2021

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	1,973,745	3,417	24	1,970,304	45
Vanadium compounds	1,233,413	692	—	1,232,721	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,210,345	360	—	1,209,985	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	923,352	909	39	922,404	—
Manganese compounds	475,239	1,177	—	474,062	—
Nickel compounds	376,662	775	66	375,821	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	371,720	371,720	—	—	—
Copper compounds	239,003	335	12	238,656	—
Lead compounds	121,343	184	36	121,123	—
Cobalt compounds	83,940	104	—	83,836	—	♦ Carcinogen
Arsenic compounds	28,050	34	59	27,957	—	♦ Carcinogen
Beryllium compounds	18,654	6	1	18,647	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	11,621	11,621	—	—	—
Ammonia	2,005	1,768	237	—	1,213
Hydrogen fluoride	1,375	1,375	—	—	—
Mercury compounds	1,143	80	0	1,063	0
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2020

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	2,411,658	2,412	—	2,409,246	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,527,936	1,528	—	1,526,409	—
Vanadium compounds	1,412,652	1,413	—	1,411,239	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,121,168	1,121	—	1,120,047	—
Nickel compounds	683,395	683	—	682,712	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	338,100	338,100	—	—	—
Copper compounds	250,975	251	—	250,724	—
Cobalt compounds	121,287	121	—	121,166	—	♦ Carcinogen
Lead compounds	114,102	274	32	113,797	—
Manganese compounds	43,638	—	—	43,638	—
Beryllium compounds	40,317	40	—	40,276	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	4,220	4,220	—	—	—
Mercury compounds	1,970	67	0	1,903	—
Hydrogen fluoride	1,280	1,280	—	—	—
Ammonia	301	301	—	—	667
Polycyclic aromatic compounds	139	139	—	—	—	♦ Carcinogen
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2019

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	2,773,894	2,774	—	2,771,120	—
Vanadium compounds	1,536,735	1,537	—	1,535,198	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,261,721	1,262	—	1,260,459	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,229,012	1,229	—	1,227,783	—
Nickel compounds	709,032	709	—	708,323	—	♦ Carcinogen
Cobalt compounds	190,090	190	—	189,900	—	♦ Carcinogen
Copper compounds	168,316	168	—	168,147	—
Beryllium compounds	113,245	113	—	113,132	—	♦ Carcinogen
Lead compounds	88,028	268	16	87,745	—
Manganese compounds	47,689	—	—	47,689	—
Selenium compounds	38,188	38	—	38,150	—
Arsenic compounds	35,888	36	—	35,852	—	♦ Carcinogen
Antimony compounds	32,534	33	—	32,502	—
Cadmium compounds	31,048	31	—	31,017	—	♦ Carcinogen
Silver compounds	29,194	29	—	29,165	—
Thallium compounds	28,243	28	—	28,214	—
Mercury compounds	2,174	76	0	2,099	—
Ammonia	552	552	—	—	—

2018

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	2,718,092	2,718	—	2,715,374	—
Vanadium compounds	1,456,321	1,456	—	1,454,865	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,386,842	1,387	—	1,385,455	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,255,252	1,255	—	1,253,997	—
Nickel compounds	666,542	667	—	665,876	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	343,020	343,020	—	—	—
Copper compounds	263,588	264	—	263,324	—
Cobalt compounds	122,337	122	—	122,215	—	♦ Carcinogen
Beryllium compounds	89,078	89	—	88,988	—	♦ Carcinogen
Lead compounds	73,694	74	—	73,621	—
Arsenic compounds	52,223	52	—	52,171	—	♦ Carcinogen
Manganese compounds	46,034	—	—	46,034	—
Selenium compounds	36,046	36	—	36,010	—
Antimony compounds	30,709	31	—	30,679	—
Cadmium compounds	29,306	29	—	29,277	—	♦ Carcinogen
Silver compounds	27,557	28	—	27,529	—
Thallium compounds	26,659	27	—	26,632	—
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	4,400	4,400	—	—	—
Hydrogen fluoride	1,280	1,280	—	—	—
Mercury	1,101	76	0	1,026	0
Mercury compounds	1,101	—	—	1,101	—
Ammonia	493	493	—	—	—
Lead	196	180	16	—	0	♦ Carcinogen
Polycyclic aromatic compounds	149	149	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	1	0	0	—	—
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2017

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	1,918,844	1,919	—	1,916,925	—
Vanadium compounds	1,334,742	1,335	—	1,333,408	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,307,902	1,308	—	1,306,594	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,246,230	1,246	—	1,244,984	—
Nickel compounds	736,500	737	—	735,763	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	322,220	322,220	—	—	—
Copper compounds	240,321	240	—	240,081	—
Cobalt compounds	102,252	102	—	102,150	—	♦ Carcinogen
Beryllium compounds	66,776	662	—	66,114	—	♦ Carcinogen
Arsenic compounds	47,189	47	—	47,142	—	♦ Carcinogen
Manganese compounds	43,265	—	—	43,265	—
Selenium compounds	33,476	34	—	33,442	—
Lead compounds	29,942	30	—	29,912	—
Antimony compounds	28,520	29	—	28,491	—
Cadmium compounds	27,216	27	—	27,189	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	4,380	4,380	—	—	—
Nitric acid	2,001	—	—	2,001	—
Hydrogen fluoride	1,180	1,180	—	—	—
Mercury	1,043	73	0	970	0
Mercury compounds	1,042	—	—	1,042	—
Ammonia	370	370	—	—	—
Lead	177	160	17	—	0	♦ Carcinogen
Polycyclic aromatic compounds	134	134	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	1	0	0	—	—
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2016

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Zinc compounds	2,119,771	2,120	—	2,117,651	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,849,885	1,850	—	1,848,035	—
Vanadium compounds	1,493,052	1,493	—	1,491,559	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,119,367	1,119	—	1,118,248	—
Nickel compounds	706,983	707	—	706,276	—	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	318,060	318,060	—	—	—
Copper compounds	246,225	246	—	245,979	—
Cobalt compounds	103,966	104	—	103,862	—	♦ Carcinogen
Lead compounds	85,948	86	—	85,862	—
Beryllium compounds	62,534	63	—	62,472	—	♦ Carcinogen
Selenium compounds	55,864	56	—	55,808	—
Arsenic compounds	49,425	49	—	49,375	—	♦ Carcinogen
Manganese compounds	38,935	—	—	38,935	—
Antimony compounds	35,374	35	—	35,338	—
Thallium compounds	30,707	31	—	30,677	—
Ammonia	4,228	4,228	—	—	—
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	4,020	4,020	—	—	—
Hydrogen fluoride	1,200	1,200	—	—	—
Mercury	1,064	75	0	989	0
Mercury compounds	1,064	—	—	1,064	—
Lead	176	160	16	—	—	♦ Carcinogen
Polycyclic aromatic compounds	135	135	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	1	0	0	—	—
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

2015

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	2,874,448	2,874	—	2,871,573	631
Zinc compounds	1,704,711	1,707	—	1,703,004	2,057
Chromium compounds (except for chromite ore mined in the Transvaal Region)	1,058,648	1,059	—	1,057,589	126
Vanadium compounds	937,086	937	—	936,149	126
Nickel compounds	530,567	530	—	530,037	281	♦ Carcinogen
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	335,500	335,500	—	—	—
Copper compounds	282,327	282	—	282,045	193
Lead compounds	145,519	146	—	145,374	95
Selenium compounds	95,586	96	—	95,490	849
Cobalt compounds	90,217	90	—	90,127	126	♦ Carcinogen
Arsenic compounds	70,579	71	—	70,509	126	♦ Carcinogen
Antimony compounds	50,765	51	—	50,714	631
Thallium compounds	44,435	44	—	44,391	631
Beryllium compounds	43,464	44	—	43,420	13	♦ Carcinogen
Manganese compounds	42,290	—	—	42,290	3,886
Ammonia	4,430	4,430	—	—	—
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	4,260	4,260	—	—	—
Hydrogen fluoride	1,260	1,260	—	—	—
Mercury	982	74	0	907	0
Mercury compounds	982	—	—	982	3
Lead	217	180	37	—	0	♦ Carcinogen
Polycyclic aromatic compounds	132	132	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	1	0	0	—	—
Dioxin and dioxin-like compounds	0	0	—	—	—	♦ Carcinogen

Waste Management & Recycling

How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.

Chemical	Released	Recycled	Energy Recovery	Treated
Ammonia	—	—	—	4,258
Mercury compounds	—	0	—	—
Zinc compounds	—	132	—	—
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	—	—	—	9,422
Hydrogen fluoride	—	—	—	3,944,673
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	—	—	—	10,247,499

Off-Site Transfer Destinations

Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.

Destination	Chemical	Disposal	Recycling	Energy Rec.	Treatment
SAFETY KLEEN SYSTEMS INC EAST ST LOUIS, IL	Zinc compounds	—	132	—	—
SAFETY-KLEEN SYSTEMS, INC EAST CHICAGO, IN	Mercury compounds	—	0	—	—
VALICOR ENVIRONMENTAL SERVICE LLC ST LOUIS, MO	Mercury compounds	—	0	—	—
SAFETY KLEEN SYSTEMS INC EAST ST LOUIS, IL	Mercury compounds	—	0	—	—

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
caa	FRV	Apr 9, 2023	—	Open
caa	FRV	Jan 16, 2023	—	Open
caa	FRV	Oct 28, 2021	—	Open
caa	FRV	Feb 26, 2021	—	Open
cwa	Schedule Event unachieved and not reported	Mar 1, 2010	Jan 26, 2012	Resolved
cwa	Schedule Event unachieved but reported	Mar 1, 2010	Jan 26, 2012	Resolved
cwa	Schedule Event achieved late but reported	Mar 1, 2010	—	Open
cwa	Schedule Event reported late	Mar 1, 2010	—	Open

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
Solids, total suspended	DMR, Limited - Numeric Violation	34.40 mg/L	30.00	+15%	Feb 2026	Open
Solids, total suspended	DMR, Limited - Numeric Violation	23.90 mg/L	15.00	+59%	Feb 2026	Open
Solids, total suspended	DMR, Limited - Numeric Violation	66.10 mg/L	50.00	+32%	Feb 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	51.50 mg/L	30.00	+72%	Jun 2024	Open
Solids, total suspended	DMR, Limited - Numeric Violation	43.10 mg/L	30.00	+44%	May 2024	Open
Chloride [as Cl]	DMR, Limited - Numeric Violation	504.00 mg/L	500.00	+1%	Jun 2023	Open
Solids, total suspended	DMR, Limited - Numeric Violation	45.00 mg/L	30.00	+50%	Jan 2023	Open
Solids, total suspended	DMR, Limited - Numeric Violation	43.00 mg/L	30.00	+43%	Apr 2020	Open
Chlorine, total residual	DMR, Limited - Numeric Violation	0.06 mg/L	0.05	+20%	Dec 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	40.00 mg/L	30.00	+33%	Jun 2016	Open
Temperature, water deg. fahrenheit	DMR, Limited - Numeric Violation	66.00 deg F	63.00	+5%	Dec 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	18.00 mg/L	15.00	+20%	Oct 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	31.00 mg/L	30.00	+3%	Oct 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	37.00 mg/L	30.00	+23%	Aug 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	17.50 mg/L	15.00	+17%	Aug 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	37.00 mg/L	15.00	+147%	Aug 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	35.00 mg/L	30.00	+17%	May 2015	Open
Solids, total suspended	DMR, Limited - Numeric Violation	22.00 mg/L	15.00	+47%	May 2015	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

Administrative - Formal

Clean Air Act · Case 3603674895 · Aug 3, 2023

$0

Administrative - Formal

Clean Air Act · Case 3603630844 · Jun 12, 2023

$0

Notice of Violation

Clean Air Act · Case 3603607423 · May 15, 2023

Notice of Violation

Clean Air Act · Case 3603531523 · Mar 2, 2023

Administrative - Formal

Clean Air Act · Case 3603186238 · May 11, 2022

$0

Notice of Violation

Clean Air Act · Case 3602935502 · Jan 4, 2022

Administrative - Formal

Clean Air Act · Case 3602812073 · Aug 26, 2021

$0

Notice of Violation

Clean Air Act · Case 3602431617 · Mar 4, 2021

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