Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
MOUNTAIN CEMENT CO
Quick Summary
- •Released 274 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 $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
5 SAND CREEK ROAD
LARAMIE, WY 82070
View on map ↗ - County
- ALBANY County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 327310
- Inspections
- 6 · last Aug 27, 2024
- Total Penalties
- $0 · last Jun 15, 2020
- Registry ID
- 110005580503
How This Compares
#41
of 64 TRI reporters in WY
#8,638
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.
12
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)
+5057% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 747 | — |
| 2016 | 823 | +10% |
| 2017 | 274 | -67% |
| 2018 | 269 | -2% |
| 2019 | 556 | +106% |
| 2020 | 726 | +31% |
| 2021 | 1,441 | +98% |
| 2022 | 810 | -44% |
| 2023 | 835 | +3% |
| 2024 | 38,539 | +4514% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Hydrogen cyanide | 38,000 | 38,000 | — | — | — | |
| Manganese | 251 | 251 | — | — | 240 | |
| Nickel compounds | 142 | 142 | — | — | 990 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 52 | 52 | — | — | 1,600 | |
| Zinc compounds | 42 | 42 | — | — | — | |
| Copper | 23 | 23 | — | — | 110 | |
| Mercury compounds | 16 | 16 | — | — | — | |
| Lead compounds | 12 | 12 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 536 | 536 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 122 | 122 | — | — | — | |
| Nickel compounds | 67 | 67 | — | — | — | ♦ Carcinogen |
| Lead compounds | 51 | 51 | — | — | — | |
| Vanadium compounds | 36 | 36 | — | — | — | |
| Mercury compounds | 23 | 23 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 519 | 519 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 119 | 119 | — | — | — | |
| Nickel compounds | 64 | 64 | — | — | — | ♦ Carcinogen |
| Lead compounds | 50 | 50 | — | — | — | |
| Vanadium compounds | 35 | 35 | — | — | — | |
| Mercury compounds | 23 | 23 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 570 | 570 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 559 | 559 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 129 | 129 | — | — | — | |
| Nickel compounds | 68 | 68 | — | — | — | ♦ Carcinogen |
| Lead compounds | 55 | 55 | — | — | — | |
| Vanadium compounds | 37 | 37 | — | — | — | |
| Mercury compounds | 23 | 23 | — | — | — |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 458 | 458 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 118 | 118 | — | — | — | |
| Lead compounds | 54 | 54 | — | — | — | |
| Mercury compounds | 40 | 40 | — | — | — | |
| Nickel compounds | 34 | 34 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 22 | 22 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 434 | 434 | — | — | — | |
| Lead compounds | 50 | 50 | — | — | — | |
| Mercury compounds | 38 | 38 | — | — | — | |
| Nickel compounds | 34 | 34 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 117 | 117 | — | — | — | |
| Lead compounds | 53 | 53 | — | — | — | |
| Mercury compounds | 39 | 39 | — | — | — | |
| Nickel compounds | 37 | 37 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 23 | 23 | — | — | — |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 119 | 119 | — | — | — | |
| Lead compounds | 53 | 53 | — | — | — | |
| Mercury compounds | 40 | 40 | — | — | — | |
| Nickel compounds | 38 | 38 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 24 | 24 | — | — | — |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese compounds | 553 | 553 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 115 | 115 | — | — | — | |
| Lead compounds | 52 | 52 | — | — | — | |
| Mercury compounds | 40 | 40 | — | — | — | |
| Nickel compounds | 39 | 39 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 24 | 24 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 470 | 470 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 120 | 120 | — | — | — | |
| Lead compounds | 54 | 54 | — | — | — | |
| Mercury compounds | 41 | 41 | — | — | — | |
| Nickel compounds | 39 | 39 | — | — | — | ♦ Carcinogen |
| Vanadium compounds | 24 | 24 | — | — | — |
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 |
|---|---|---|---|---|
| Manganese | — | 240 | — | — |
| Nickel compounds | — | 990 | — | — |
| Copper | — | 110 | — | — |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1,600 | — | — |
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 |
|---|---|---|---|---|---|
|
AAA RECYCLING & SALVAGE
LARAMIE, WY
|
Nickel compounds | — | 990 | — | — |
|
AAA RECYCLING & SALVAGE
LARAMIE, WY
|
Manganese | — | 240 | — | — |
|
AAA RECYCLING & SALVAGE
LARAMIE, WY
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 1,600 | — | — |
|
AAA RECYCLING & SALVAGE
LARAMIE, WY
|
Copper | — | 110 | — | — |
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 | HPV | Dec 13, 2017 | Oct 23, 2020 | Resolved |
| cwa | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | Aug 30, 2013 | — | Open |
| rcra | Standards for Used Oil: Generators | Aug 14, 2011 | Jan 5, 2012 | Resolved |
| rcra | Standards for Used Oil: Generators | Jun 7, 2001 | Jul 9, 2001 | Resolved |
| rcra | Standards for Used Oil: Generators | Dec 19, 1996 | Jan 16, 1997 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General Facility Standards | Aug 19, 1991 | May 7, 1992 | 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.
Judicial
Clean Air Act
· Case 3601332124 · Jun 15, 2020
$61,000
Notice of Violation
Clean Air Act
· Case 3601332121 · Dec 13, 2017
Administrative - Formal
· Case 08-2011-0134 · Aug 5, 2011
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-WYD988870101-000 · Jan 16, 1997
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