EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

SAN MIGUEL ELECTRIC PLANT

Quick Summary

  • Released 722,650 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
  • Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
  • Assessed $66,975 in total penalties since records began.
  • Reports releases of chemicals classified as known or probable carcinogens.
Address
6200 FARM TO MARKET RD 3387
CHRISTINE, TX 78012
View on map ↗
County
ATASCOSA County
Industry
Utilities
NAICS (North American Industry Classification)
221112
Inspections
6 · last Nov 25, 2025
Total Penalties
$66,975 · last Apr 8, 2025
Registry ID
110000464426

How This Compares

#54 of 1,879 TRI reporters in TX
#121 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.

10
Air (CAA)
Qtrs Non-Compliant
4
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) +191% overall
Year Total Releases (lbs) vs Prior Year
2015 889,566
2016 1,085,837 +22%
2017 722,650 -33%
2018 768,767 +6%
2019 689,921 -10%
2020 989,156 +43%
2021 922,930 -7%
2022 3,553,858 +285%
2023 2,435,985 -31%
2024 2,585,666 +6%

2024

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 1,851,609 1,513 1,850,096
Manganese compounds 338,525 910 337,615
Vanadium compounds 102,122 83 102,039
Zinc compounds 85,406 69 85,337
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 61,552 61,552
Lead compounds 37,821 518 37,303
Copper compounds 31,062 22 31,040
Chromium compounds (except for chromite ore mined in the Transvaal Region) 28,404 841 27,563
Arsenic compounds 24,433 260 24,173 ♦ Carcinogen
Nickel compounds 23,778 853 22,925 ♦ Carcinogen
Mercury compounds 453 34 419
Chlorine 357 357
n-Hexane 117 117
Naphthalene 25 25 ♦ Carcinogen
Dioxin and dioxin-like compounds 2 2 ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 1,606,890 512 1,606,378
Manganese compounds 363,190 1,025 362,165
Vanadium compounds 116,955 37 116,918
Zinc compounds 96,730 31 96,699
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 71,382 71,382
Lead compounds 46,595 584 46,011
Chromium compounds (except for chromite ore mined in the Transvaal Region) 42,359 949 41,410
Copper compounds 35,414 10 35,404
Arsenic compounds 33,862 293 33,569 ♦ Carcinogen
Nickel compounds 21,388 961 20,427 ♦ Carcinogen
Mercury compounds 703 39 664
Chlorine 357 357
n-Hexane 130 130
Naphthalene 28 28 ♦ Carcinogen
Dioxin and dioxin-like compounds 3 3 ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 2,182,011 427 2,181,584
Manganese compounds 572,751 1,342 571,409
Vanadium compounds 179,502 35 179,467
Zinc compounds 161,803 31 161,772
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 116,497 116,497
Lead compounds 74,792 765 74,027
Chromium compounds (except for chromite ore mined in the Transvaal Region) 64,221 1,242 62,979
Copper compounds 57,828 10 57,818
Arsenic compounds 56,564 384 56,180 ♦ Carcinogen
Nickel compounds 36,790 1,259 35,531 ♦ Carcinogen
Hydrogen fluoride 25,689 25,689
Selenium compounds 23,772 4,876 18,896
Mercury compounds 1,092 51 1,041
Chlorine 357 357
n-Hexane 181 181
Naphthalene 4 4 ♦ Carcinogen
Dioxin and dioxin-like compounds 4 4 ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Manganese compounds 258,873 169 258,704
Vanadium compounds 109,035 71 108,964
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 103,241 103,241
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 97,420 64 97,356
Zinc compounds 81,978 53 81,925
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 71,117 71,117
Copper compounds 41,439 24 41,415
Lead compounds 32,850 22 32,828
Chromium compounds (except for chromite ore mined in the Transvaal Region) 26,648 17 26,631
Hydrogen fluoride 25,286 25,286
Thallium compounds 23,951 15 23,936
Arsenic compounds 17,579 11 17,568 ♦ Carcinogen
Nickel compounds 16,730 10 16,720 ♦ Carcinogen
Selenium compounds 15,226 10 15,216
Mercury compounds 1,171 66 1,105
Chlorine 364 364
n-Hexane 7 7
1,2,4-Trimethylbenzene 7 7
Dioxin and dioxin-like compounds 4 4 ♦ Carcinogen
Naphthalene 4 4 ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Chlorine
Manganese compounds 211,910 123 211,787
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 133,725 78 133,647
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 125,838 125,838
Vanadium compounds 116,162 68 116,094
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 114,029 114,029
Zinc compounds 83,615 49 83,566
Copper compounds 47,621 24 47,597
Lead compounds 34,828 21 34,807
Chromium compounds (except for chromite ore mined in the Transvaal Region) 31,188 18 31,170
Hydrogen fluoride 27,931 27,931
Arsenic compounds 23,028 13 23,015 ♦ Carcinogen
Selenium compounds 20,125 12 20,113
Nickel compounds 18,944 11 18,933 ♦ Carcinogen
Mercury compounds 194 101 93
n-Hexane 7 7
1,2,4-Trimethylbenzene 7 7
Dioxin and dioxin-like compounds 4 4 ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Chlorine
Manganese compounds 218,364 124 218,240
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 141,627 82 141,545
Vanadium compounds 106,837 62 106,775
Copper compounds 48,766 22 48,744
Lead compounds 35,071 21 35,050
Chromium compounds (except for chromite ore mined in the Transvaal Region) 27,281 16 27,265
Hydrogen fluoride 26,630 26,630
Selenium compounds 23,325 13 23,312
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 21,238 21,238
Arsenic compounds 20,807 12 20,795 ♦ Carcinogen
Nickel compounds 19,758 11 19,747 ♦ Carcinogen
Mercury compounds 198 101 97
n-Hexane 7 7
1,2,4-Trimethylbenzene 7 7
Dioxin and dioxin-like compounds 4 4 ♦ Carcinogen
Naphthalene 3 3 ♦ Carcinogen

2018

Chemical Total (lbs) Air Water Land Off-Site
Chlorine
Manganese compounds 152,878 41 152,837
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 152,751 152,751
Vanadium compounds 101,265 27 101,238
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 81,396 84 81,312
Zinc compounds 72,246 19 72,227
Copper compounds 43,847 10 43,837
Lead compounds 32,628 9 32,619
Hydrogen fluoride 29,659 29,659
Chromium compounds (except for chromite ore mined in the Transvaal Region) 26,885 7 26,878
Selenium compounds 25,694 7 25,687
Nickel compounds 16,867 16,867 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 16,402 16,402
Arsenic compounds 16,130 4 16,126 ♦ Carcinogen
Mercury compounds 101 101
1,2,4-Trimethylbenzene 7 7
n-Hexane 7 7
Dioxin and dioxin-like compounds 5 5 ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Manganese compounds 194,037 63 193,974
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 139,966 139,966
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 86,128 29 86,099
Vanadium compounds 82,590 28 82,562
Zinc compounds 60,795 19 60,776
Copper compounds 36,085 10 36,075
Hydrogen fluoride 29,870 29,870
Lead compounds 21,578 8 21,570
Chromium compounds (except for chromite ore mined in the Transvaal Region) 21,359 7 21,352
Selenium compounds 15,078 5 15,073
Nickel compounds 13,394 4 13,390 ♦ Carcinogen
Arsenic compounds 12,452 4 12,448 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 8,827 8,827
Chlorine 364 364
Mercury compounds 106 101 5
n-Hexane 7 7
1,2,4-Trimethylbenzene 7 7
Dioxin and dioxin-like compounds 5 5 ♦ Carcinogen
Naphthalene 3 3 ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Manganese compounds 454,376 34 454,342
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 162,281 12 162,269
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 142,337 142,337
Vanadium compounds 124,761 10 124,751
Copper compounds 49,173 3 49,170
Chromium compounds (except for chromite ore mined in the Transvaal Region) 38,390 3 38,387
Lead compounds 35,534 3 35,531
Hydrogen fluoride 28,995 28,995
Selenium compounds 22,287 2 22,285
Arsenic compounds 18,370 1 18,369 ♦ Carcinogen
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 8,827 8,827
Chlorine 364 364
Mercury compounds 124 101 23
1,2,4-Trimethylbenzene 7 7
n-Hexane 7 7
Dioxin and dioxin-like compounds 4 4 ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Manganese compounds 199,123 152 198,971
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) 170,411 132 170,279
Vanadium compounds 102,497 80 102,417
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 101,538 101,538
Copper compounds 88,842 65 88,777
Zinc compounds 80,226 62 80,164
Lead compounds 29,996 1,078 28,918
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 25,674 25,674
Hydrogen fluoride 25,674 25,674
Chromium compounds (except for chromite ore mined in the Transvaal Region) 23,878 18 23,860
Arsenic compounds 20,955 16 20,939 ♦ Carcinogen
Selenium compounds 19,111 14 19,097
Mercury compounds 1,260 296 964
Chlorine 364 364
1,2,4-Trimethylbenzene 7 7
n-Hexane 7 7
Dioxin and dioxin-like compounds 4 4 ♦ 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

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 Linked to Viol. Below Open
caa Linked to Viol. Below Open
cwa Schedule Event reported late Dec 1, 2024 Open
cwa Schedule Event achieved late but reported Dec 1, 2024 Open
cwa Schedule Event unachieved but reported Dec 1, 2024 Feb 13, 2025 Resolved
cwa Schedule Event unachieved and not reported Dec 1, 2024 Feb 13, 2025 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements May 4, 2022 Jul 26, 2022 Resolved
caa HPV Apr 29, 2022 Aug 11, 2025 Resolved
cwa Schedule Event unachieved and not reported Feb 21, 2022 Open
cwa Schedule Event unachieved but reported Feb 21, 2022 Open
cwa Schedule Event achieved late but reported Feb 21, 2022 Open
cwa Schedule Event reported late Feb 21, 2022 Open
cwa Schedule Event reported late Jul 15, 2021 Open
cwa Schedule Event achieved late but reported Jul 15, 2021 Open
caa HPV Apr 23, 2020 Jun 7, 2022 Resolved
rcra Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators Jan 31, 2020 Jun 22, 2020 Resolved
rcra State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements Jan 30, 2020 Jun 22, 2020 Resolved
rcra Standards Applicable to Generators of HW: General Jan 30, 2020 Apr 29, 2021 Resolved
rcra Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators Jan 30, 2020 Jun 22, 2020 Resolved
caa HPV Aug 23, 2018 Feb 27, 2020 Resolved
cwa Schedule Event reported late Jun 25, 2017 Open
cwa Schedule Event unachieved and not reported Jun 25, 2017 Jun 5, 2019 Resolved
cwa Schedule Event achieved late but reported Jun 25, 2017 Open
cwa Schedule Event unachieved but reported Jun 25, 2017 Jun 5, 2019 Resolved
cwa Schedule Event unachieved and not reported Jun 25, 2017 Jun 5, 2019 Resolved
cwa Schedule Event reported late Jun 25, 2017 Open
cwa Schedule Event achieved late but reported Jun 25, 2017 Open
cwa Schedule Event unachieved but reported Jun 25, 2017 Jun 5, 2019 Resolved
cwa Schedule Event achieved late but reported Jun 10, 2017 Open
cwa Schedule Event unachieved but reported Jun 10, 2017 Jun 5, 2019 Resolved
cwa Schedule Event unachieved and not reported Jun 10, 2017 Jun 5, 2019 Resolved
cwa Schedule Event reported late Jun 10, 2017 Open
cwa Permit Violations - Violation Specified in Comment Feb 2, 2017 Open
cwa Permit Violations - Violation Specified in Comment Feb 1, 2017 Open
caa FRV Nov 18, 2016 Open
cwa Schedule Event achieved late but reported Nov 12, 2016 Open
cwa Schedule Event reported late Oct 28, 2016 Open
cwa Schedule Event unachieved and not reported Oct 28, 2016 Jun 5, 2019 Resolved
cwa Schedule Event unachieved but reported Oct 28, 2016 Jun 5, 2019 Resolved
cwa Schedule Event achieved late but reported Oct 28, 2016 Open
cwa Schedule Event achieved late but reported Oct 13, 2016 Open
cwa Schedule Event unachieved but reported Oct 13, 2016 Jun 5, 2019 Resolved
cwa Schedule Event achieved late but reported Oct 13, 2016 Open
cwa Schedule Event reported late Oct 13, 2016 Open
cwa Schedule Event unachieved but reported Oct 13, 2016 Jun 5, 2019 Resolved
cwa Schedule Event reported late Oct 13, 2016 Open
cwa Schedule Event unachieved and not reported Oct 13, 2016 Jun 5, 2019 Resolved
cwa Schedule Event unachieved and not reported Oct 13, 2016 Jun 5, 2019 Resolved
cwa Permit Violations - Violation Specified in Comment Mar 16, 2015 Open
cwa Permit Violations - Violation Specified in Comment Jul 23, 2013 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
Iron, total [as Fe] DMR, Limited - Numeric Violation 5.40 mg/L 3.00 +80% May 2023 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.70 mg/L 3.00 +23% Aug 2022 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 4.10 mg/L 3.00 +37% Aug 2021 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.89 mg/L 3.00 +30% Aug 2021 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.45 mg/L 3.00 +15% Sep 2020 Open
Solids, total suspended DMR, Limited - Numeric Violation 70.00 mg/L 50.00 +40% Dec 2016 Resolved
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.70 mg/L 3.00 +23% Oct 2016 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.54 mg/L 3.00 +18% Sep 2016 Open
Iron, total [as Fe] DMR, Limited - Overdue 6.83 mg/L 6.00 +14% Sep 2016 Resolved
Iron, total [as Fe] DMR, Limited - Numeric Violation 6.83 mg/L 6.00 +14% Sep 2016 Open
Iron, total [as Fe] DMR, Limited - Overdue 3.54 mg/L 3.00 +18% Sep 2016 Resolved
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.07 mg/L 3.00 +2% Aug 2016 Open
Solids, total suspended DMR, Limited - Numeric Violation 410.00 mg/L 50.00 +720% Aug 2016 Resolved
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.45 mg/L 3.00 +15% Mar 2016 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.62 mg/L 3.00 +21% Mar 2016 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.31 mg/L 3.00 +10% Feb 2016 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.13 mg/L 3.00 +4% Feb 2016 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 4.03 mg/L 3.00 +34% Feb 2016 Open
Solids, total suspended DMR, Limited - Numeric Violation 50.40 mg/L 50.00 +1% May 2015 Open
Solids, settleable DMR, Limited - Numeric Violation 8.00 mg/L 0.50 +1,500% Apr 2015 Open
Carbon, tot organic [TOC] DMR, Limited - Numeric Violation 117.00 mg/L 55.00 +113% Apr 2015 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 6.65 mg/L 6.00 +11% Mar 2015 Open
Iron, total [as Fe] DMR, Limited - Numeric Violation 3.18 mg/L 3.00 +6% Mar 2015 Open
Solids, total suspended DMR, Limited - Numeric Violation 55.00 mg/L 50.00 +10% Mar 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 3603240417 · Apr 8, 2025
$48,375
Administrative - Formal
Clean Air Act · Case 3602207588 · Apr 18, 2022
$18,600
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-TXD088484852-1 · May 12, 2020
Administrative - Formal
Clean Air Act · Case 3601547679 · Jul 16, 2019
$5,142
State CWA Penalty AO
Clean Water Act · Case TX-2017-0200-MLM-E · Aug 22, 2018
$55,817
Administrative - Formal
Clean Air Act · Case 3601022152 · Aug 22, 2018
$55,817
State CWA Penalty AO
Clean Water Act · Case TX-2015-1640-IWD-E · Sep 13, 2016
$26,564
Administrative - Formal
· Case 06-2004-0073 · Aug 11, 2004
$5,000

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