MOSAIC FERTILIZER LLC UNCLE SAM PLANT
Quick Summary
- •Released 420,698 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 $24,292 in total penalties since records began.
- Address
-
7250 HIGHWAY 44
UNCLE SAM, LA 70792
View on map ↗ - County
- SAINT JAMES County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325312
- Inspections
- 3 · last Jun 12, 2025
- Total Penalties
- $24,292 · last Jun 9, 2025
- Registry ID
- 110006020215
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 | 353,615 | — |
| 2016 | 425,207 | +20% |
| 2017 | 420,698 | -1% |
| 2018 | 397,691 | -5% |
| 2019 | 230,631 | -42% |
| 2020 | 435,798 | +89% |
| 2021 | 295,498 | -32% |
| 2022 | 330,838 | +12% |
| 2023 | 236,486 | -29% |
| 2024 | 307,501 | +30% |
2024
| 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) | 241,200 | 241,200 | — | — | — | |
| Lead compounds | 32,069 | 9 | 12 | 32,048 | 2 | |
| Hydrogen sulfide | 21,300 | 17,900 | 3,400 | — | — | |
| Hydrogen fluoride | 12,380 | 12,380 | — | — | — | |
| Mercury compounds | 552 | 1 | 1 | 550 | 1 |
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) | 181,200 | 181,200 | — | — | — | |
| Lead compounds | 26,123 | 11 | 2 | 26,110 | 3 | |
| Hydrogen sulfide | 17,300 | 14,500 | 2,800 | — | — | |
| Hydrogen fluoride | 11,420 | 11,420 | — | — | — | |
| Mercury compounds | 443 | 1 | 0 | 441 | — |
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) | 231,500 | 231,500 | — | — | — | |
| Lead compounds | 67,199 | 12 | 2 | 67,185 | 1 | |
| Hydrogen sulfide | 19,100 | 15,900 | 3,200 | — | — | |
| Hydrogen fluoride | 12,420 | 12,420 | — | — | — | |
| Mercury compounds | 619 | 2 | 0 | 617 | 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) | 191,300 | 191,300 | — | — | — | |
| Lead compounds | 48,312 | 9 | 2 | 48,300 | 0 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 26,701 | 1 | 1,700 | 25,000 | 140 | |
| Hydrogen sulfide | 15,500 | 12,500 | 3,000 | — | — | |
| Hydrogen fluoride | 13,150 | 13,150 | — | — | — | |
| Mercury compounds | 535 | 0 | 0 | 535 | 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) | 292,720 | 292,720 | — | — | — | |
| Lead compounds | 56,860 | 11 | 3 | 56,846 | 0 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 43,101 | 1 | 2,100 | 41,000 | 52 | |
| Hydrogen sulfide | 23,100 | 19,400 | 3,700 | — | — | |
| Hydrogen fluoride | 19,260 | 19,260 | — | — | — | |
| Mercury compounds | 758 | — | 0 | 757 | 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) | 213,831 | 213,831 | — | — | — | |
| Hydrogen sulfide | 16,800 | 13,700 | 3,100 | — | — |
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) | 289,007 | 289,007 | — | — | — | |
| Lead compounds | 39,997 | 8 | 5 | 39,984 | 4 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 37,601 | 1 | 2,600 | 35,000 | 700 | |
| Hydrogen sulfide | 21,900 | 17,300 | 4,600 | — | — | |
| Hydrogen fluoride | 8,532 | 8,532 | — | — | — | |
| Mercury compounds | 654 | — | 1 | 653 | 0 | |
| Vanadium compounds | 1 | 1 | — | — | 52,313 |
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) | 308,301 | 308,301 | — | — | — | |
| Lead compounds | 41,241 | 7 | 9 | 41,225 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 38,701 | 1 | 2,700 | 36,000 | 74 | |
| Hydrogen sulfide | 23,100 | 18,400 | 4,700 | — | — | |
| Hydrogen fluoride | 8,674 | 8,674 | — | — | — | |
| Mercury compounds | 679 | — | 1 | 678 | — | |
| Vanadium compounds | 1 | 1 | — | — | 32,112 |
2016
| 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) | 309,052 | 309,052 | — | — | — | |
| Lead compounds | 42,957 | 7 | 15 | 42,936 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 40,601 | 1 | 2,600 | 38,000 | 2 | |
| Hydrogen sulfide | 23,000 | 18,400 | 4,600 | — | — | |
| Hydrogen fluoride | 8,881 | 8,881 | — | — | — | |
| Mercury compounds | 716 | — | 1 | 715 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Vanadium compounds | — | — | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 300,597 | 300,597 | — | — | — | |
| Lead compounds | 42,531 | 7 | 17 | 42,507 | — | |
| Hydrogen fluoride | 9,768 | 9,768 | — | — | — | |
| Mercury compounds | 719 | — | 1 | 718 | — |
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 | — | — | — | 5,900 |
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 |
|---|---|---|---|---|---|
|
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
|
Mercury compounds | — | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Mercury compounds | 1 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Mercury compounds | — | — | — | — |
|
HERITAGE CRYSTAL CLEAN LLC
DENHAM SPRINGS, LA
|
Mercury compounds | — | — | — | — |
|
REPUBLIC SERVICES COLONIAL LANDFILL
SORRENTO, LA
|
Mercury compounds | 0 | — | — | — |
|
CLEAN HARBORS DEER PARK
DEER PARK, TX
|
Lead compounds | 0 | — | — | — |
|
HERITAGE CRYSTAL CLEAN LLC
DENHAM SPRINGS, LA
|
Lead compounds | — | — | — | — |
|
REPUBLIC SERVICES COLONIAL LANDFILL
SORRENTO, LA
|
Lead compounds | 0 | — | — | — |
|
CHEMICAL WASTE MANAGEMENT INC - LAKE CHARLES FACILITY
SULPHUR, LA
|
Lead compounds | 0 | — | — | — |
|
US ECOLOGY TEXAS
ROBSTOWN, TX
|
Lead compounds | 2 | — | — | — |
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 |
|---|---|---|---|---|
| cwa | Effluent Violations - Industrial Spill | Nov 29, 2024 | Sep 2, 2025 | Resolved |
| cwa | Reporting Violations - Failure to Notify | Nov 29, 2024 | Sep 2, 2025 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Jun 30, 2020 | Jul 9, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 30, 2020 | Dec 8, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jun 30, 2020 | Jul 10, 2020 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jun 30, 2020 | Dec 8, 2020 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 30, 2020 | Jul 10, 2020 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Mar 18, 2015 | Apr 9, 2015 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Mar 18, 2015 | Apr 9, 2015 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Mar 18, 2015 | Apr 9, 2015 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 13, 2009 | Aug 13, 2009 | Resolved |
| rcra | Standards for Used Oil: Generators | Aug 13, 2009 | Aug 13, 2009 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Aug 13, 2009 | Oct 26, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 6, 2005 | — | Open |
| rcra | EPA Administered Permit Programs: the HW Permit Program General Information | Apr 6, 2005 | — | Open |
| rcra | EPA Administered Permit Programs: the HW Permit Program Permit Application | Apr 6, 2005 | — | Open |
| rcra | Land Disposal Restrictions: Treatment Standards | Apr 6, 2005 | — | Open |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Apr 6, 2005 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | May 7, 1993 | Jul 18, 1994 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | May 7, 1993 | Jul 18, 1994 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | May 7, 1993 | Jul 18, 1994 | Resolved |
| cwa | Reporting Violations - Late Submittal of DMRs | Dec 31, 1992 | Jul 18, 1994 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Nov 30, 1991 | Oct 12, 1992 | Resolved |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jul 15, 1991 | May 27, 1993 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 1991 | May 27, 1993 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 1991 | — | Open |
| cwa | Schedule Event achieved late but reported | Jun 17, 1991 | — | Open |
| cwa | Management Practice Violations - Improper Operation and Maintenance | Jan 3, 1991 | May 27, 1993 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Nov 30, 1990 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Dec 9, 1983 | Dec 14, 1983 | Resolved |
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 |
|---|---|---|---|---|---|---|
| Coliform, fecal general | DMR, Limited - Numeric Violation | 506.00 MPN/100mL | 400.00 | +27% | Feb 2026 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4,784.00 MPN/100mL | 400.00 | +1,096% | Dec 2024 | Open |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Nov 2024 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 57.80 mg/L | 50.00 | +16% | Sep 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.00 mg/L | 30.00 | +13% | Jun 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 30.00 | +67% | Apr 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.00 mg/L | 45.00 | +11% | Apr 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 397.00 mg/L | 35.00 | +1,034% | Mar 2022 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 447.00 mg/L | 105.00 | +326% | Mar 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 45.00 | +62% | Mar 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 73.00 mg/L | 30.00 | +143% | Mar 2022 | Resolved |
| pH range excursions, > 60 minutes | DMR, Limited - Numeric Violation | 0.03 occur/d | 0.00 | +2,147,483,650% | Jan 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.00 mg/L | 30.00 | +3% | Sep 2019 | 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.