Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
HEIDELBERG MATERIALS US CEMENT LLC
Quick Summary
- •Released 9,209 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 $50,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
675 QUAKER HILL ROAD
UNION BRIDGE, MD 21791
View on map ↗ - County
- CARROLL County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 327310
- Inspections
- 5 · last Jan 12, 2026
- Total Penalties
- $50,000 · last Jun 25, 2021
- Registry ID
- 110003507385
How This Compares
#26
of 156 TRI reporters in MD
#4,146
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
Qtrs Non-Compliant
8
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
1
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 | 12,259 | — |
| 2016 | 11,033 | -10% |
| 2017 | 9,209 | -17% |
| 2018 | 9,570 | +4% |
| 2019 | 9,400 | -2% |
| 2020 | 22,445 | +139% |
| 2021 | 33,804 | +51% |
| 2022 | 8,977 | -73% |
| 2023 | 11,119 | +24% |
| 2024 | 10,336 | -7% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,000 | 8,000 | — | — | — | |
| Ammonia | 2,233 | 2,233 | — | — | — | |
| Mercury compounds | 57 | 57 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 21 | 21 | — | — | — | |
| Nickel compounds | 14 | 14 | — | — | — | ♦ Carcinogen |
| Lead compounds | 11 | 11 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,620 | 8,620 | — | — | — | |
| Ammonia | 2,426 | 2,426 | — | — | — | |
| Mercury compounds | 32 | 32 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 30 | 30 | — | — | — | |
| Lead compounds | 11 | 11 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,817 | 8,817 | — | — | — | |
| Ammonia | 92 | 92 | — | — | — | |
| Mercury compounds | 44 | 44 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 17 | 17 | — | — | — | |
| Lead compounds | 6 | 6 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 24,991 | 24,991 | — | — | — | |
| Hydrogen sulfide | 8,746 | 8,746 | — | — | — | |
| Mercury compounds | 45 | 45 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 17 | 17 | — | — | — | |
| Lead compounds | 5 | 5 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 13,236 | 13,236 | — | — | — | |
| Hydrogen sulfide | 9,037 | 9,037 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 94 | 94 | — | — | — | |
| Mercury compounds | 49 | 49 | — | — | — | |
| Lead compounds | 29 | 29 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,880 | 8,880 | — | — | — | |
| Ammonia | 346 | 346 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 103 | 103 | — | — | — | |
| Mercury compounds | 37 | 37 | — | — | — | |
| Lead compounds | 34 | 34 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,640 | 8,640 | — | — | — | |
| Ammonia | 805 | 805 | — | — | — | |
| Mercury compounds | 44 | 44 | — | — | — | |
| Lead compounds | 40 | 40 | — | — | — | |
| Nickel | 21 | 21 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 20 | 20 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,729 | 8,729 | — | — | — | |
| Ammonia | 363 | 363 | — | — | — | |
| Lead compounds | 40 | 40 | — | — | — | |
| Mercury compounds | 36 | 36 | — | — | — | |
| Nickel | 21 | 21 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 20 | 20 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 8,531 | 8,531 | — | — | — | |
| Ammonia | 2,391 | 2,391 | — | — | — | |
| Lead compounds | 39 | 39 | — | — | — | |
| Mercury compounds | 35 | 35 | — | — | — | |
| Nickel | 20 | 20 | — | — | — | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 17 | 17 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrogen sulfide | 9,800 | 9,800 | — | — | — | |
| Ammonia | 2,330 | 2,330 | — | — | — | |
| Mercury compounds | 40 | 40 | — | — | — | |
| Lead compounds | 40 | 40 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 28 | 28 | — | — | — | |
| Nickel | 21 | 21 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
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 |
|---|---|---|---|---|
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Jan 12, 2026 | Jan 12, 2026 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 28, 1994 | May 11, 1994 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.70 mg/L | 31.00 | +67% | Dec 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.70 mg/L | 31.00 | +67% | Nov 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.70 mg/L | 15.00 | +245% | Nov 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.00 mg/L | 15.00 | +147% | Aug 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.00 mg/L | 31.00 | +19% | Aug 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.00 mg/L | 15.00 | +73% | Jul 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 16.60 mg/L | 15.00 | +11% | Jun 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 15.00 | +167% | May 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.00 mg/L | 31.00 | +29% | May 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 22.00 mg/L | 15.00 | +47% | Mar 2017 | 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.
Administrative - Formal
· Case 03-2021-0061 · Jun 25, 2021
$25,000
Administrative - Formal
· Case 03-2021-0060 · May 12, 2021
Judicial
· Case 03-2010-7011 · Nov 18, 2020
$193,368
State Administrative Order of Consent
Clean Water Act
· Case MD-MD0000779 · Nov 13, 2006
$35,000
Administrative - Formal
· Case 03-2004-0291 · Aug 18, 2004
$85,000
WRITTEN COMPLAINT
RCRA (Hazardous Waste)
· Case RCRA-MDD003064854-000 · Mar 28, 1994
Administrative - Formal
· Case 03-1988-0225 · Jul 21, 1988
$21,650
Administrative - Formal
· Case 03-1986-0137 · Dec 31, 1985
$6,000
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