EPA TRI Facility · Nonmetallic Mineral Product

St. Marys Cement U.S. LLC

Detroit, MI

Total releases
59 lbs
Chemicals reported
6
Carcinogens
1
Primary pathway
Air Releases

AIR Form-R mix

St. Marys Cement U.S. LLC: how the 59 lbs splits

59 lbs across all reported pathways

  • Air Releases 54 lbs 91.5%
  • Off-site Transfers 5 lbs 8.5%
  • Land Disposal 0 lbs <0.1%

St. Marys Cement U.S. LLC's 59 lbs Form-R total is AIR - air releases is 91.5% of the bar. Next segment: off-site transfers at 8.5%. Leading chemical by pounds: Chromium.

TRACE volume AIR pathway CARC-MID

St. Marys Cement U.S. LLC is an EPA Toxics Release Inventory reporter in Detroit, MI, in the nonmetallic mineral product sector. It reported 7 lbs of releases across 3 chemicals in 2023, and 59 lbs in total across its 2019-2023 reporting years. That ranks 17,050 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Michigan's 791 reporting TRI sites, pounds #1 is not chemical-count #1. St. Marys Cement U.S. LLC is pounds #644 and chemical-count #188 at 59 lbs. Cleveland-Cliffs Steel Corp Dearborn Works leads reported pounds (53.0M lbs) at 17 chemicals (chemical-count #27). Eq Detroit Inc leads chemical count at 71 chemicals (14.0M lbs, pounds #5). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Superior Materials 32; Ees Coke Battery LLC; US Gypsum Co Detroit Plant; Carmeuse Lime Inc River Rouge Facility. Similar-scale Nonmetallic Mineral Product peers outside Michigan: US Gypsum; Knife River Materials Yard; Gold Bond Building Products - Westwego; Pomona Plant 5. Largest disclosed chemicals by pounds: Chromium; Lead; Lead And Lead Compounds; Lead compounds.

View saved records
Verify at EPA TRI →

St. Marys Cement U.S. LLC stamps TRACE volume with a dominant AIR pathway (91.5% air releases) across 6 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 59 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include US Gypsum and Knife River Materials Yard.

#17,050 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

St. Marys Cement U.S. LLC vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

59 lbs 34th percentile higher than 34% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

St. Marys Cement U.S. LLC in the Nonmetallic Mineral Product sector extract

Among the 3,265 Nonmetallic Mineral Product facilities in this database, St. Marys Cement U.S. LLC reports the 958th-largest volume (59 lbs). Scale peers outside Michigan include US Gypsum and Knife River Materials Yard.

Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.

St. Marys Cement U.S. LLC Form-R facts

Sector
Nonmetallic Mineral Product
TRACE volume
59 lbs
AIR pathway
Air Releases
CARC-MID chem count
6 · 1 carc.
Lead chemical
Chromium

Compare this facility

See how St. Marys Cement U.S. LLC stacks up against nearby facilities and the typical reporter.

Total reported releases
St. Marys Cement U.S. LLC
59 lbs
Superior Materials 32
0 lbs

1829.0× more than the comparison

Chemicals reported
St. Marys Cement U.S. LLC
6
Superior Materials 32
2

3.0× 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 St. Marys Cement U.S. LLC releases toxic chemicals into the environment. Total: 59 lbs.

Air Releases 54 lbs (91.5%)
Off-site Transfers 5 lbs (8.5%)
Land Disposal 0 lbs (<0.1%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 74% (26 lbs to 7 lbs).

St. Marys Cement U.S. LLC: annual Form-R pounds

TRACE site · AIR pathway · TRI years 2019–2023

million lbs

What this shows St. Marys Cement U.S. LLC year-over-year reported totals (decreased by 74% from 2019 to 2023). 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: Chromium.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 26 lbs 2
2020 6 lbs 3
2021 13 lbs 3
2022 7 lbs 3
2023 7 lbs 3

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 6 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Chromium 29 lbs -
Lead 26 lbs Carcinogen
Lead And Lead Compounds 2 lbs -
Lead compounds 2 lbs -
Mercury And Mercury Compounds 0 lbs -
Mercury compounds 0 lbs -

St. Marys Cement U.S. LLC · AIR-pathway site

Detroit, MI
42.2930, -83.1287
County TRI context
Wayne · 0.0% of county pounds
EPA Facility ID
4820WSTMRY9333D

Similar Nonmetallic Mineral Product Facilities

Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Michigan - e.g. US Gypsum, Knife River Materials Yard, Gold Bond Building Products - Westwego.

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 Chromium, Lead, Lead And Lead Compounds, Lead compounds; nearby reporters include Superior Materials 32. St. Marys Cement U.S. LLC stamps TRACE volume · AIR pathway · CARC-MID 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 St. Marys Cement U.S. LLC TRI extract (TRACE · AIR · CARC-MID · lead Chromium) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

St. Marys Cement U.S. LLC totals are self-reported EPCRA §313 estimates for Detroit, MI, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 0.0% of Wayne TRI pounds in this extract. Nearest ABS peer: Ulrich Fabrication Inc. (Δ 0 lbs). Pounds ≠ exposure.

St. Marys Cement U.S. LLC stamps TRACE volume · AIR pathway · CARC-MID · lead Chromium. 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