MONUMENT CHEMICAL LLC - HOUSTON FACILITY
Quick Summary
- •Released 9,445 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 $27,439 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
16717 JACINTOPORT BLVD
HOUSTON, TX 77015
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325199
- Inspections
- 6 · last Dec 9, 2025
- Total Penalties
- $27,439 · last Oct 20, 2020
- Registry ID
- 110000460983
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 | 14,137 | — |
| 2016 | 9,569 | -32% |
| 2017 | 9,445 | -1% |
| 2018 | 9,428 | -0% |
| 2019 | 1,665 | -82% |
| 2020 | 10,638 | +539% |
| 2021 | 14,451 | +36% |
| 2022 | 13,823 | -4% |
| 2023 | 15,141 | +10% |
| 2024 | 13,194 | -13% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 5,351 | 5,295 | 56 | — | 48 | |
| Vinyl acetate | 3,041 | 3,041 | — | — | 886,690 | ♦ Carcinogen |
| Isobutyraldehyde | 2,245 | 2,245 | — | — | 145,466 | |
| tert-Butyl alcohol | 1,441 | 1,168 | 273 | — | 12,703 | |
| Methyl isobutyl ketone | 856 | 804 | 52 | — | 5,185 | ♦ Carcinogen |
| Ethyl acrylate | 117 | 117 | — | — | 68 | ♦ Carcinogen |
| sec-Butyl alcohol | 55 | 55 | — | — | 3,025 | |
| n-Hexane | 38 | 38 | — | — | — | |
| Naphthalene | 27 | 27 | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | 20 | 20 | — | — | 571 | |
| Dicyclopentadiene | 3 | 3 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 4,936 | 4,889 | 47 | — | 1,048 | |
| Isobutyraldehyde | 3,245 | 3,245 | — | — | 105,019 | |
| Vinyl acetate | 2,585 | 2,585 | — | — | 1,817,110 | ♦ Carcinogen |
| Methyl isobutyl ketone | 2,147 | 2,103 | 44 | — | 25,970 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,751 | 1,522 | 229 | — | 32,770 | |
| Ethyl acrylate | 188 | 188 | — | — | 160 | ♦ Carcinogen |
| Dicyclopentadiene | 155 | 155 | — | — | — | |
| n-Hexane | 104 | 104 | — | — | — | |
| Naphthalene | 26 | 26 | — | — | 40 | ♦ Carcinogen |
| n-Butyl alcohol | 4 | 4 | — | — | 1,082 | |
| Cyclohexane | 0 | 0 | — | — | 126,882 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 4,555 | 4,510 | 45 | — | — | |
| Isobutyraldehyde | 3,110 | 3,110 | — | — | 116,416 | |
| Vinyl acetate | 2,647 | 2,647 | — | — | 409,640 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,897 | 1,678 | 219 | — | 30,701 | |
| Methyl isobutyl ketone | 1,271 | 1,229 | 42 | — | 102,273 | ♦ Carcinogen |
| Ethyl acrylate | 133 | 133 | — | — | 720 | ♦ Carcinogen |
| Methanol | 109 | 5 | 104 | — | 28,181 | |
| n-Butyl alcohol | 39 | 39 | — | — | 543 | |
| Naphthalene | 36 | 36 | — | — | — | ♦ Carcinogen |
| Dicyclopentadiene | 25 | 25 | — | — | — | |
| n-Hexane | 1 | 1 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 4,187 | 4,142 | 45 | — | 37,563 | |
| Vinyl acetate | 3,246 | 3,246 | — | — | 633,386 | ♦ Carcinogen |
| Isobutyraldehyde | 2,789 | 2,789 | — | — | 165,146 | |
| Methyl isobutyl ketone | 2,461 | 2,419 | 42 | — | 53,038 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,450 | 1,231 | 219 | — | 38,852 | |
| Ethyl acrylate | 139 | 139 | — | — | 3,038 | ♦ Carcinogen |
| Methanol | 115 | 11 | 104 | — | 16,630 | |
| Naphthalene | 32 | 32 | — | — | — | ♦ Carcinogen |
| n-Butyl alcohol | 32 | 32 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 3,658 | 3,658 | — | — | 7,440 | |
| Methyl isobutyl ketone | 3,046 | 2,067 | 979 | — | 58,097 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,717 | 1,693 | 24 | — | 40,825 | |
| Isobutyraldehyde | 1,550 | 1,550 | — | — | 173,449 | |
| Vinyl acetate | 553 | 553 | — | — | 133,630 | ♦ Carcinogen |
| Ethyl acrylate | 75 | 75 | — | — | — | ♦ Carcinogen |
| Naphthalene | 26 | 26 | — | — | — | ♦ Carcinogen |
| 2-Methoxyethanol | 13 | 13 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| tert-Butyl alcohol | 1,665 | 1,554 | 111 | — | 49,379 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 3,161 | 3,161 | — | — | — | |
| Methyl isobutyl ketone | 2,449 | 1,299 | 1,150 | — | 7,208 | ♦ Carcinogen |
| Isobutyraldehyde | 1,834 | 1,834 | — | — | — | |
| tert-Butyl alcohol | 1,341 | 1,313 | 28 | — | 40,590 | |
| Vinyl acetate | 643 | 643 | — | — | 148,827 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 3,022 | 3,022 | — | — | — | |
| Isobutyraldehyde | 2,326 | 2,326 | — | — | 8,965 | |
| Methyl isobutyl ketone | 1,780 | 1,480 | 300 | — | 5,791 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,249 | 1,242 | 7 | — | 28,496 | |
| Vinyl acetate | 565 | 565 | — | — | 94,946 | ♦ Carcinogen |
| Butyraldehyde | 166 | 166 | — | — | 3,362 | |
| Dicyclopentadiene | 162 | 162 | — | — | — | |
| Methanol | 161 | 151 | 10 | — | 49,073 | |
| n-Butyl alcohol | 11 | 11 | — | — | — | |
| Ethyl acrylate | 3 | 3 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Isobutyraldehyde | 2,578 | 2,578 | — | — | 17,833 | |
| Methyl tert-butyl ether | 2,566 | 2,565 | 1 | — | 70,936 | |
| Methanol | 1,601 | 1,599 | 2 | — | 83,584 | |
| Methyl isobutyl ketone | 1,296 | 1,296 | — | — | 34,747 | ♦ Carcinogen |
| tert-Butyl alcohol | 971 | 971 | — | — | 77,808 | |
| Vinyl acetate | 474 | 473 | 1 | — | 184,784 | ♦ Carcinogen |
| Butyraldehyde | 52 | 52 | — | — | — | |
| Naphthalene | 28 | 28 | — | — | 220 | ♦ Carcinogen |
| Biphenyl | 3 | 3 | — | — | 44 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl tert-butyl ether | 3,850 | 3,850 | — | — | — | |
| Isobutyraldehyde | 3,190 | 3,190 | — | — | 2,712 | |
| Methyl isobutyl ketone | 3,114 | 3,007 | 107 | — | 12,474 | ♦ Carcinogen |
| tert-Butyl alcohol | 1,562 | 1,421 | 141 | — | 74,495 | |
| Methanol | 1,505 | 1,422 | 83 | — | 62,115 | |
| Vinyl acetate | 906 | 906 | — | — | 53,185 | ♦ Carcinogen |
| n-Butyl alcohol | 10 | 10 | — | — | — |
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 |
|---|---|---|---|---|
| Methyl tert-butyl ether | — | — | 48 | 172,804 |
| sec-Butyl alcohol | — | — | — | 3,528 |
| Dicyclopentadiene | — | — | — | 44 |
| Methyl isobutyl ketone | — | — | 48 | 13,830 |
| Isobutyraldehyde | — | — | 1,549 | 73,880 |
| Ethyl acrylate | — | — | 68 | 2,024 |
| tert-Butyl alcohol | — | — | 48 | 49,004 |
| n-Butyl alcohol | — | — | — | 674 |
| n-Hexane | — | — | — | 521 |
| Vinyl acetate | — | — | 180 | 966,206 |
| Naphthalene | — | — | — | 136 |
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 |
|---|---|---|---|---|---|
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Methyl tert-butyl ether | — | — | 48 | — |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
sec-Butyl alcohol | — | — | — | 3,025 |
|
GULF COAST WASTE DISPOSAL WASHBURN TUNNEL FACILITY
PASADENA, TX
|
tert-Butyl alcohol | — | — | — | 10,274 |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
tert-Butyl alcohol | — | — | — | 2,381 |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
tert-Butyl alcohol | — | — | 48 | — |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Isobutyraldehyde | — | — | 1,549 | — |
|
TM DEER PARK SERVICES
DEER PARK, TX
|
Isobutyraldehyde | 143,917 | — | — | — |
|
GULF COAST WASTE DISPOSAL WASHBURN TUNNEL FACILITY
PASADENA, TX
|
n-Butyl alcohol | — | — | — | 571 |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Ethyl acrylate | — | — | 68 | — |
|
GULF COAST WASTE DISPOSAL WASHBURN TUNNEL FACILITY
PASADENA, TX
|
Methyl isobutyl ketone | — | — | — | 5,137 |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Methyl isobutyl ketone | — | — | 48 | — |
|
HERITAGE THERMAL OF TEXAS
ORANGE, TX
|
Vinyl acetate | — | — | — | 886,510 |
|
SYSTECH ENVIRONMENTAL CORPORATION
FREDONIA, KS
|
Vinyl acetate | — | — | 180 | — |
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 | — | — | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Oct 31, 2023 | Nov 17, 2023 | Resolved |
| caa | HPV | Jan 13, 2020 | Jan 21, 2021 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Sep 28, 2010 | Sep 29, 2010 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Nov 8, 2007 | Mar 11, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Nov 8, 2007 | Mar 11, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Preparedness and Prevention | Nov 8, 2007 | Mar 11, 2008 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Tank Systems | Nov 8, 2007 | Mar 11, 2008 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Mar 23, 2005 | Mar 29, 2005 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Mar 23, 2005 | Apr 7, 2005 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Jan 18, 1990 | Jul 9, 1992 | 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 |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 22.90 mg/L | 15.00 | +53% | Nov 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 46.40 mg/L | 15.00 | +209% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 119.40 kg/d | 24.97 | +378% | Jul 2025 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 38.30 mg/L | 15.00 | +155% | Nov 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 37.70 mg/L | 15.00 | +151% | Aug 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 19.70 mg/L | 15.00 | +31% | Feb 2024 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 44.09 kg/d | 24.97 | +77% | Jan 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 34.41 kg/d | 24.97 | +38% | Oct 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 20.60 mg/L | 15.00 | +37% | Oct 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 142.00 mg/L | 15.00 | +847% | Oct 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.33 kg/d | 24.97 | +25% | Sep 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 24.00 mg/L | 15.00 | +60% | Aug 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 60.40 mg/L | 15.00 | +303% | Feb 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 15.10 mg/L | 15.00 | +1% | Jan 2023 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 15.67 kg/d | 13.17 | +19% | Jul 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 36.31 kg/d | 24.97 | +45% | Jul 2022 | Resolved |
| Enterococci | DMR, Limited - Numeric Violation | 270.33 MPN/100mL | 168.00 | +61% | Jul 2022 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 194.00 MPN/100mL | 168.00 | +15% | Jun 2022 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.10 mg/L | 15.00 | +14% | Jun 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 14.12 kg/d | 13.17 | +99,999% | Jun 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 41.04 kg/d | 24.97 | +99,999% | Jun 2022 | Resolved |
| Oil & Grease | DMR, Limited - Numeric Violation | 25.40 mg/L | 15.00 | +69% | May 2022 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.20 kg/d | 0.16 | +25% | Feb 2022 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.10 kg/d | 0.08 | +34% | Feb 2022 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 44.64 kg/d | 24.97 | +79% | Feb 2022 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.79 kg/d | 24.97 | +31% | Jan 2022 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.44 kg/d | 0.16 | +175% | Jan 2022 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.19 kg/d | 0.08 | +151% | Jan 2022 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.22 kg/d | 0.16 | +41% | Dec 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 21.40 mg/L | 15.00 | +43% | Dec 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.00 mg/L | 15.00 | +13% | Nov 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 17.00 mg/L | 15.00 | +13% | Sep 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 25.96 kg/d | 24.97 | +4% | Sep 2021 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 51.70 mg/L | 15.00 | +245% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 27.06 kg/d | 24.97 | +8% | Sep 2021 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 42.53 kg/d | 24.97 | +70% | Aug 2021 | Open |
| Ethylbenzene | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +4% | Jul 2021 | Open |
| Ethylbenzene | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.00 | +257% | Jul 2021 | Open |
| Benzene | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.01 | +190% | Jul 2021 | Open |
| Benzene | DMR, Limited - Numeric Violation | 0.04 kg/d | 0.00 | +988% | Jul 2021 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 264.63 MPN/100mL | 168.00 | +58% | Mar 2019 | Open |
| Carbon, tot organic [TOC] | DMR, Limited - Numeric Violation | 77.78 mg/L | 75.00 | +4% | Jan 2019 | Open |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 28.87 kg/d | 24.97 | +16% | Nov 2018 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.64 mg/L | 0.53 | +21% | May 2018 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.69 mg/L | 0.53 | +31% | Aug 2017 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.01 mg/L | 0.53 | +91% | Apr 2017 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.36 mg/L | 0.25 | +45% | Apr 2017 | Open |
| Enterococci | DMR, Limited - Numeric Violation | 1,101.50 MPN/100mL | 168.00 | +556% | Nov 2016 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.98 mg/L | 0.53 | +86% | Aug 2016 | Open |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 0.33 mg/L | 0.25 | +33% | Aug 2016 | 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.