Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
CEMEX CONSTRUCTION MATERIALS SOUTH LLC
Quick Summary
- •Released 6,419 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 $1,943,425 in total penalties since records began.
- Address
-
5134 UTE HIGHWAY
LYONS, CO 80540
View on map ↗ - County
- BOULDER County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 327310
- Inspections
- 5 · last Aug 20, 2025
- Total Penalties
- $1,943,425 · last May 14, 2025
- Registry ID
- 110000467450
How This Compares
#61
of 246 TRI reporters in CO
#4,703
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.
11
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2024)
+16% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 3,451 | — |
| 2016 | 4,384 | +27% |
| 2017 | 6,419 | +46% |
| 2018 | 4,216 | -34% |
| 2020 | 4,971 | — |
| 2021 | 4,408 | -11% |
| 2022 | 4,016 | -9% |
| 2023 | 4,063 | +1% |
| 2024 | 4,003 | -1% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,518 | 3,518 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 319 | 60 | — | 259 | — | |
| Lead compounds | 155 | 6 | — | 148 | — | |
| Mercury compounds | 12 | 9 | — | 3 | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,146 | 3,146 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 589 | 55 | — | 534 | — | |
| Lead compounds | 316 | 9 | — | 307 | — | |
| Mercury compounds | 12 | 6 | — | 6 | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,617 | 3,617 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 263 | 63 | — | 200 | — | |
| Lead compounds | 126 | 12 | — | 115 | — | |
| Mercury compounds | 10 | 8 | — | 2 | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,669 | 3,669 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 485 | 59 | — | 426 | — | |
| Lead compounds | 216 | 8 | — | 208 | — | |
| Mercury compounds | 38 | 7 | — | 31 | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,660 | 3,660 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 850 | 59 | 0 | 791 | — | |
| Lead compounds | 392 | 6 | 0 | 386 | — | |
| Mercury compounds | 68 | 11 | — | 57 | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,138 | 3,138 | — | — | — | |
| Lead compounds | 756 | 10 | 0 | 746 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 308 | 50 | 0 | 258 | — | |
| Mercury compounds | 14 | 13 | — | 1 | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 3,705 | 3,705 | — | — | — | |
| Lead compounds | 1,964 | 11 | 0 | 1,953 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 734 | 58 | 0 | 676 | — | |
| Mercury compounds | 16 | 12 | — | 4 | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 2,758 | 2,758 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 1,043 | 54 | — | 989 | — | |
| Lead compounds | 539 | 9 | 0 | 530 | — | |
| Mercury compounds | 44 | 44 | 0 | 1 | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 2,441 | 2,441 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 640 | 50 | — | 591 | — | |
| Lead compounds | 326 | 9 | 0 | 317 | — | |
| Mercury compounds | 44 | 44 | — | 0 | — |
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 | FRV | Dec 10, 2024 | — | Open |
| caa | FRV | Dec 20, 2023 | — | Open |
| caa | FRV | Dec 20, 2022 | — | Open |
| caa | FRV | Nov 23, 2021 | — | Open |
| caa | FRV | Nov 2, 2020 | — | Open |
| caa | FRV | Dec 19, 2019 | — | Open |
| caa | FRV | Nov 25, 2019 | — | Open |
| caa | FRV | Mar 12, 2019 | — | Open |
| caa | FRV | Dec 10, 2018 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Nov 29, 2005 | May 2, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 29, 2005 | May 2, 2006 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 18, 2005 | Jun 18, 2005 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 18, 2005 | Jun 18, 2005 | Resolved |
| rcra | Standards for Used Oil: Generators | May 18, 2005 | Jun 18, 2005 | Resolved |
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.
Notice of Violation
Clean Air Act
· Case 3604600051 · Oct 7, 2025
Administrative - Formal
Clean Air Act
· Case 3604404099 · May 14, 2025
$154,000
Notice of Violation
Clean Air Act
· Case 3604197080 · Dec 6, 2024
Administrative - Formal
Clean Air Act
· Case 3603877762 · Feb 21, 2024
$1,392,000
Notice of Violation
Clean Air Act
· Case 3603781196 · Oct 27, 2023
Administrative - Formal
Clean Air Act
· Case 3603606267 · May 17, 2023
$357,175
Notice of Violation
Clean Air Act
· Case 3603439098 · Nov 29, 2022
Administrative - Formal
Clean Air Act
· Case 3602971086 · Jan 7, 2022
$40,250
Notice of Violation
Clean Air Act
· Case 3602826820 · Jun 29, 2021
Administrative - Formal
Clean Air Act
· Case 3602256663 · Jul 21, 2020
$42,000
Notice of Violation
Clean Air Act
· Case 3602163245 · Mar 27, 2020
Administrative - Formal
Clean Air Act
· Case 3602138273 · Feb 26, 2020
$5,250
Notice of Violation
Clean Air Act
· Case 3602081284 · Dec 27, 2019
Administrative - Formal
Clean Air Act
· Case 3602069408 · Dec 5, 2019
$7,000
Notice of Violation
Clean Air Act
· Case 3601967135 · Sep 11, 2019
Administrative - Formal
Clean Air Act
· Case 3601960898 · Sep 3, 2019
$35,000
Notice of Violation
Clean Air Act
· Case 3601769062 · Mar 1, 2019
Judicial
· Case 08-2007-0122 · Jun 12, 2013
$1,000,000
V3 Conversion Compliance Advisory
RCRA (Hazardous Waste)
· Case RCRA-COD980957823-001 · Nov 29, 2005
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