EPA TRI Facility · Nonmetallic Mineral Product
Heidelberg Materials US Cement LLC
Union Bridge, MD · Parent: Heidelberg Materials US Inc
- Total releases
- 85.7K lbs
- Chemicals reported
- 7
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Heidelberg Materials US Cement LLC: how the 96.1K lbs splits
96.1K lbs across all reported pathways
- Air Releases 96.1K lbs 100.0%
Heidelberg Materials US Cement LLC's 96.1K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Hydrogen sulfide.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume AIR pathway TRACE-CARC
Heidelberg Materials US Cement LLC is an EPA Toxics Release Inventory reporter in Union Bridge, MD, in the nonmetallic mineral product sector. It reported 10.3K lbs of releases across 6 chemicals in 2024, and 85.7K lbs in total across its 2019-2024 reporting years. That ranks 4,916 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maryland's 152 reporting TRI sites, pounds #1 is not chemical-count #1. Heidelberg Materials US Cement LLC is pounds #19 and chemical-count #17 at 85.7K lbs. Darling Ingredients Inc.- Linkwood Facility leads reported pounds (9.1M lbs) at 4 chemicals (chemical-count #37). Brandon Shores & Wagner Complex leads chemical count at 27 chemicals (560.1K lbs, pounds #9). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Rinker Materials Hydro Conduit; Maryland Paving Inc; Lafarge Frederick Ready Mix; Schuster Concrete Ready Mix Llc-South St. Similar-scale Nonmetallic Mineral Product peers outside Maryland: Heidelberg Materials US Cement LLC; Hollingsworth & Vose Fiber Co; Columbus Brick Co; Building Materials Manufacturing LLC. Other Heidelberg Materials US Inc sites in this extract: Heidelberg Materials US Cement LLC; Heidelberg Materials US Cement LLC - Evansville; Heidelberg Materials US Cement LLC - Glens Falls Plant; Heidelberg Materials US Cement LLC. Largest disclosed chemicals by pounds: Hydrogen sulfide; Ammonia; Mercury And Mercury Compounds; Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region).
Heidelberg Materials US Cement LLC stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 7 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 85.7K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Heidelberg Materials US Cement LLC and Hollingsworth & Vose Fiber Co.
Heidelberg Materials US Cement LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
86K lbs Top 19% higher than 81% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Heidelberg Materials US Cement LLC inside Carroll's TRI pounds
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Heidelberg Materials US Cement LLC reports the 191st-largest volume, placing it in the top 5.8% of its sector. This one site accounts for 99.3% of every pound reported in Carroll. Scale peers outside Maryland include Heidelberg Materials US Cement LLC and Hollingsworth & Vose Fiber Co.
County-dominant here means ≥25% of Carroll's reported pounds (86.4K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Heidelberg Materials US Cement LLC's total reported releases rose from 9.0 thousand lb in 2022 to 11.1 thousand lb in 2023, based on EPA TRI filings.
- Heidelberg Materials US Cement LLC's air releases rose from 9.0 thousand lb in 2022 to 11.1 thousand lb in 2023, based on EPA TRI filings.
Heidelberg Materials US Cement LLC Form-R facts
Compare this facility
See how Heidelberg Materials US Cement LLC stacks up against nearby facilities and the typical reporter.
747553.6× more than the comparison
7.0× more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Heidelberg Materials US Cement LLC releases toxic chemicals into the environment. Total: 96.1K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 10% (9.4K lbs to 10.3K lbs).
Heidelberg Materials US Cement LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Heidelberg Materials US Cement LLC year-over-year reported totals (increased by 10% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Hydrogen sulfide.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 9.4K lbs | 6 |
| 2020 | 22.4K lbs | 6 |
| 2021 | 33.8K lbs | 6 |
| 2022 | 9.0K lbs | 6 |
| 2023 | 11.1K lbs | 6 |
| 2024 | 10.3K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 8 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Hydrogen sulfide | 52.1K lbs | - |
| Ammonia | 43.3K lbs | - |
| Mercury And Mercury Compounds | 264 lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 244 lbs | - |
| Lead And Lead Compounds | 96 lbs | - |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 38 lbs | - |
| Nickel And Nickel Compounds | 14 lbs | Carcinogen |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Heidelberg Materials US Cement LLC · AIR-pathway site
Nearest TRI Facilities to Heidelberg Materials US Cement LLC
Closest other reporters in Maryland - including Rinker Materials Hydro Conduit, Maryland Paving Inc, Lafarge Frederick Ready Mix, ordered by distance.
Showing 8 of 151 other reporting facilities in Maryland.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Maryland - e.g. Heidelberg Materials US Cement LLC, Hollingsworth & Vose Fiber Co, Columbus Brick Co.
Compare beyond Maryland
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Heidelberg Materials US Cement LLC on cumulative reported pounds (85.7K lbs) and distinct chemical count (7). Release-pound peers include United Paint & Chemical, Dod, Usaf, Avon Park Air Force Range, Majek Boat Works. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- United Paint & Chemical Southfield, MI · Chemicals 85.8K lbs reported
- Dod, Usaf, Avon Park Air Force Range Avon Park, FL · Other 85.8K lbs reported
- Majek Boat Works Corpus Christi, TX · Transportation Equipment 85.8K lbs reported
- Remington Power Station Remington, VA · Electric Utilities 85.7K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Heidelberg Materials US Inc Facilities
Same-parent TRI sites ranked by reported releases - including Heidelberg Materials US Cement LLC, Heidelberg Materials US Cement LLC - Evansville, Heidelberg Materials US Cement LLC - Glens Falls Plant.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Hydrogen sulfide, Ammonia, Mercury And Mercury Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region); nearby reporters include Rinker Materials Hydro Conduit. Heidelberg Materials US Cement LLC stamps LIGHT volume · AIR pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Heidelberg Materials US Cement LLC TRI extract (LIGHT · AIR · TRACE-CARC · lead Hydrogen sulfide) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Heidelberg Materials US Cement LLC totals are self-reported EPCRA §313 estimates for Union Bridge, MD, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 327310 · Nonmetallic Mineral Product. 99.3% of Carroll TRI pounds in this extract. Nearest ABS peer: United Paint & Chemical (Δ 9 lbs). Pounds ≠ exposure.
Heidelberg Materials US Cement LLC stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Hydrogen sulfide. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov