TRI Reporter

AMERICAN ELECTRIC POWER MOUNTAINEER PLANT

Quick Summary

•Released 1,359,085 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
•Assessed $0 in total penalties since records began.
•Reports releases of chemicals classified as known or probable carcinogens.

Address: US ROUTE 33
NEW HAVEN, WV 25265
View on map ↗
County: MASON County
Industry: Utilities
NAICS (North American Industry Classification): 221112
Total Penalties: $0
Registry ID: 110067041837

How This Compares

#5 of 158 TRI reporters in WV

#72 of 584 TRI reporters in Utilities

Ranked by most recent year's total TRI releases.

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) -60% overall

Year	Total Releases (lbs)	vs Prior Year
2015	1,711,112	—
2016	1,611,531	-6%
2017	1,359,085	-16%
2018	1,109,332	-18%
2019	1,163,409	+5%
2020	673,706	-42%
2021	997,799	+48%
2022	841,089	-16%
2023	679,004	-19%
2024	686,108	+1%

2024

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	166,105	100	—	166,005	1,500
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	166,000	166,000	—	—	—
Vanadium compounds	67,607	102	—	67,505	—
Copper compounds	49,811	106	—	49,705	15,000
Manganese compounds	48,902	97	9,700	39,105	6,800
Zinc compounds	43,436	831	—	42,605	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	34,250	345	—	33,905	68,078
Nickel compounds	31,016	111	—	30,905	27,000	♦ Carcinogen
Arsenic compounds	21,190	65	—	21,125	77	♦ Carcinogen
Lead compounds	17,546	57	—	17,489	103
Cobalt compounds	14,038	33	—	14,005	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	11,000	11,000	—	—	—
Hydrogen fluoride	9,880	9,880	—	—	—
Ammonia	5,080	1,880	3,200	—	—
Mercury compounds	246	34	—	212	3
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2023

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	197,000	197,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	154,122	117	—	154,005	1,700
Vanadium compounds	62,520	115	—	62,405	—
Copper compounds	46,722	116	1	46,605	7,600
Manganese compounds	46,014	109	8,100	37,805	3,500
Zinc compounds	39,430	917	8	38,505	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	31,662	357	—	31,305	35,084
Nickel compounds	29,228	123	—	29,105	14,000	♦ Carcinogen
Arsenic compounds	18,538	73	—	18,465	84	♦ Carcinogen
Lead compounds	15,644	64	—	15,580	86
Cobalt compounds	13,040	35	—	13,005	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	11,000	11,000	—	—	—
Hydrogen fluoride	10,400	10,400	—	—	—
Ammonia	3,460	1,960	1,500	—	—
Mercury compounds	223	27	—	196	3
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2022

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	222,000	222,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	180,533	118	410	180,005	1,600
Vanadium compounds	73,120	115	—	73,005	—
Ammonia	62,010	2,010	60,000	—	—
Copper compounds	53,426	119	2	53,305	7,300
Manganese compounds	52,716	111	7,300	45,305	3,300
Zinc compounds	46,749	935	9	45,805	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	37,164	359	—	36,805	33,080
Nickel compounds	33,930	125	—	33,805	13,000	♦ Carcinogen
Arsenic compounds	22,460	75	—	22,385	79	♦ Carcinogen
Lead compounds	18,767	67	—	18,700	91
Cobalt compounds	15,241	36	—	15,205	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	12,000	12,000	—	—	—
Hydrogen fluoride	10,700	10,700	—	—	—
Mercury compounds	272	11	—	261	3
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2021

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	320,000	320,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	220,625	160	460	220,005	1,100
Vanadium compounds	89,610	205	—	89,405	—
Copper compounds	62,808	159	44	62,605	7,000
Manganese compounds	61,555	150	—	61,405	3,200
Zinc compounds	56,477	1,265	7	55,205	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	45,203	398	—	44,805	32,058
Nickel compounds	41,244	280	59	40,905	13,000	♦ Carcinogen
Arsenic compounds	26,814	99	10	26,705	57	♦ Carcinogen
Lead compounds	22,501	88	—	22,413	67
Cobalt compounds	18,550	45	—	18,505	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	15,000	15,000	—	—	—
Hydrogen fluoride	14,200	14,200	—	—	—
Ammonia	2,840	2,600	240	—	—
Mercury compounds	371	21	—	350	3
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2020

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	236,000	236,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	119,600	105	290	119,205	1,201
Manganese compounds	80,808	103	—	80,705	1,700
Vanadium compounds	48,210	205	—	48,005	—
Copper compounds	36,438	114	19	36,305	3,800
Zinc compounds	36,227	908	14	35,305	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	25,255	350	—	24,905	17,062
Nickel compounds	23,839	305	29	23,505	6,800	♦ Carcinogen
Arsenic compounds	12,288	69	14	12,205	62	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	12,000	12,000	—	—	—
Lead compounds	11,241	62	—	11,179	69
Ammonia	11,030	2,030	9,000	—	—
Hydrogen fluoride	10,800	10,800	—	—	—
Cobalt compounds	9,793	38	—	9,755	—	♦ Carcinogen
Mercury compounds	176	14	—	162	3
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2019

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	427,000	427,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	202,694	149	540	202,005	1,203
Manganese compounds	140,152	147	—	140,005	1,300
Vanadium compounds	82,020	215	—	81,805	—
Zinc compounds	62,549	1,335	23	61,191	—
Copper compounds	56,198	166	27	56,005	2,800
Chromium compounds (except for chromite ore mined in the Transvaal Region)	42,803	398	—	42,405	13,059
Nickel compounds	39,442	291	46	39,105	5,100	♦ Carcinogen
Arsenic compounds	22,198	96	27	22,075	58	♦ Carcinogen
Lead compounds	19,520	88	—	19,432	70
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	18,000	18,000	—	—	—
Hydrogen fluoride	16,500	16,500	—	—	—
Cobalt compounds	16,451	46	—	16,405	—	♦ Carcinogen
Selenium compounds	9,521	2,145	31	7,345	12
Ammonia	8,360	2,960	5,400	—	—
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2018

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	313,000	313,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	235,305	110	190	235,005	1,703
Manganese compounds	126,015	110	—	125,905	4,900
Vanadium compounds	97,300	195	—	97,105	—
Zinc compounds	71,897	985	21	70,891	—
Copper compounds	67,156	124	27	67,005	11,000
Chromium compounds (except for chromite ore mined in the Transvaal Region)	50,163	358	—	49,805	49,089
Nickel compounds	44,008	286	17	43,705	20,000	♦ Carcinogen
Arsenic compounds	30,828	74	9	30,745	87	♦ Carcinogen
Lead compounds	25,622	67	—	25,555	102
Cobalt compounds	19,543	38	—	19,505	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	13,000	13,000	—	—	—
Hydrogen fluoride	12,100	12,100	—	—	—
Ammonia	2,890	2,890	—	—	—
Mercury compounds	505	26	—	479	4
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2017

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	340,000	340,000	—	—	—
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	303,747	242	500	303,005	1,702
Manganese compounds	155,407	202	—	155,205	13,000
Vanadium compounds	124,990	285	—	124,705	—
Zinc compounds	91,434	1,535	8	89,891	—
Copper compounds	84,442	193	44	84,205	30,000
Chromium compounds (except for chromite ore mined in the Transvaal Region)	64,248	443	—	63,805	130,087
Nickel compounds	56,335	381	49	55,905	54,000	♦ Carcinogen
Arsenic compounds	39,710	137	18	39,555	86	♦ Carcinogen
Lead compounds	33,014	117	—	32,897	97
Cobalt compounds	25,061	56	—	25,005	—	♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	15,000	15,000	—	—	—
Hydrogen fluoride	14,200	14,200	—	—	—
Ammonia	10,890	2,590	8,300	—	—
Mercury compounds	606	23	—	583	4
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2016

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	375,285	230	650	374,405	1,502
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	369,000	369,000	—	—	—
Manganese compounds	176,008	203	—	175,805	4,700
Vanadium compounds	154,580	275	—	154,305	—
Zinc compounds	110,909	1,595	9	109,305	—
Copper compounds	102,841	204	32	102,605	10,000
Chromium compounds (except for chromite ore mined in the Transvaal Region)	79,042	447	—	78,595	47,076
Nickel compounds	69,007	357	45	68,605	19,000	♦ Carcinogen
Arsenic compounds	49,325	143	16	49,166	76	♦ Carcinogen
Lead compounds	40,906	127	—	40,779	81
Cobalt compounds	31,131	56	—	31,075	—	♦ Carcinogen
Selenium compounds	17,078	2,055	22	15,001	15
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	17,000	17,000	—	—	—
Hydrogen fluoride	15,800	15,800	—	—	—
Ammonia	2,860	2,860	—	—	—
Mercury compounds	699	31	—	668	3
Chlorine	56	—	56	—	—
Polycyclic aromatic compounds	3	3	—	—	—	♦ Carcinogen
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

2015

Chemical	Total (lbs)	Air	Water	Land	Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	421,650	165	480	421,005	1,402
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	359,000	359,000	—	—	—
Manganese compounds	189,161	156	—	189,005	6,400
Vanadium compounds	171,220	215	—	171,005	—
Zinc compounds	117,780	1,345	30	116,405	—
Copper compounds	104,519	168	46	104,305	14,000
Chromium compounds (except for chromite ore mined in the Transvaal Region)	87,210	405	—	86,805	64,070
Nickel compounds	78,431	299	27	78,105	26,000	♦ Carcinogen
Arsenic compounds	50,675	102	28	50,545	69	♦ Carcinogen
Lead compounds	42,889	92	—	42,797	83
Cobalt compounds	35,053	48	—	35,005	—	♦ Carcinogen
Selenium compounds	17,568	2,015	28	15,525	14
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	17,000	17,000	—	—	—
Hydrogen fluoride	15,400	15,400	—	—	—
Ammonia	2,790	2,790	—	—	—
Mercury compounds	724	33	—	691	3
Chlorine	38	—	38	—	—
Polycyclic aromatic compounds	3	3	—	—	—	♦ Carcinogen
Dioxin and dioxin-like compounds	1	1	—	—	—	♦ Carcinogen
Benzo[g,h,i]perylene	0	0	—	—	—

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
Hydrogen fluoride	—	—	—	250,000
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	—	—	—	5,500,000
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	—	—	—	3,500,000
Ammonia	—	—	—	6,400,000
Nickel compounds	—	27,000	—	—
Manganese compounds	—	6,800	—	—
Copper compounds	—	15,000	—	—
Lead compounds	—	29	—	—
Arsenic compounds	—	3	—	—
Chromium compounds (except for chromite ore mined in the Transvaal Region)	—	68,004	—	—

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
UNITED SCRAP METAL RICHMOND, VA	Nickel compounds	—	27,000	—	—
GALLIA COUNTY LANDFILL BIDWELL, OH	Lead compounds	74	—	—	—
CLEAN HARBORS POCA POCA, WV	Lead compounds	—	29	—	—
UNITED SCRAP METAL RICHMOND, VA	Copper compounds	—	15,000	—	—
UNITED SCRAP METAL RICHMOND, VA	Manganese compounds	—	6,800	—	—
GALLIA COUNTY LANDFILL BIDWELL, OH	Barium compounds (except for barium sulfate (CAS No. 7727-43-7))	1,500	—	—	—
GALLIA COUNTY LANDFILL BIDWELL, OH	Mercury compounds	3	—	—	—
GALLIA COUNTY LANDFILL BIDWELL, OH	Chromium compounds (except for chromite ore mined in the Transvaal Region)	74	—	—	—
CLEAN HARBORS POCA POCA, WV	Chromium compounds (except for chromite ore mined in the Transvaal Region)	—	4	—	—
UNITED SCRAP METAL RICHMOND, VA	Chromium compounds (except for chromite ore mined in the Transvaal Region)	—	68,000	—	—
GALLIA COUNTY LANDFILL BIDWELL, OH	Arsenic compounds	74	—	—	—
CLEAN HARBORS POCA POCA, WV	Arsenic compounds	—	3	—	—

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