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

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

#509 of 1,879 TRI reporters in TX
#4,100 of 16,877 TRI reporters in Manufacturing

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.

0
Air (CAA)
Qtrs Non-Compliant
9
Water (CWA)
Qtrs Non-Compliant
1
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) -7% overall
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.

VERBAL INFORMAL
RCRA (Hazardous Waste) · Case RCRA-TXD096037932-4 · Mar 1, 2024
Administrative - Formal
· Case 06-2024-0917 · Jan 3, 2024
$27,439
Administrative - Formal
Clean Air Act · Case 3602120091 · Oct 20, 2020
$3,075
Administrative - Formal
Clean Air Act · Case 3601320034 · Jan 11, 2018
$3,000
Administrative - Formal
· Case 06-2018-3301 · Jan 11, 2018
$3,000
VERBAL INFORMAL
RCRA (Hazardous Waste) · Case RCRA-TXD096037932-3 · Sep 28, 2010
Administrative - Formal
· Case 06-1999-0246 · Jun 16, 2010
WRITTEN INFORMAL
RCRA (Hazardous Waste) · Case RCRA-TXD096037932-2 · Dec 10, 2007
VERBAL INFORMAL
RCRA (Hazardous Waste) · Case RCRA-TXD096037932-1 · Mar 25, 2005
CWA 309G2B AO For Class II Penalties
Clean Water Act · Case 06-1991-N606 · Apr 30, 1992
Administrative - Formal
· Case 06-1991-0168 · Apr 30, 1992
$63,000
CWA 309A AO For Compliance
Clean Water Act · Case 06-1990-N590 · Aug 30, 1990

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