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
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.
Qtrs Non-Compliant
Qtrs Non-Compliant
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.
| 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
2020
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
2017
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.