EPA TRI Facility · Nonmetallic Mineral Product
Continental Cement Co
Buffalo, IA · Parent: Summit Materials LLC
- Total releases
- 816.5K lbs
- Chemicals reported
- 8
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Continental Cement Co: how the 816.5K lbs splits
816.5K lbs across all reported pathways
- Air Releases 787.3K lbs 96.4%
- Off-site Transfers 15.3K lbs 1.9%
- Land Disposal 13.9K lbs 1.7%
- Water Discharges 4 lbs <0.1%
Continental Cement Co's 816.5K lbs Form-R total is AIR - air releases is 96.4% of the bar. Next segment: off-site transfers at 1.9%. Leading chemical by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
MID volume AIR pathway CLEAN
Continental Cement Co is an EPA Toxics Release Inventory reporter in Buffalo, IA, in the nonmetallic mineral product sector. It reported 169.5K lbs of releases across 7 chemicals in 2023, and 816.5K lbs in total across its 2019-2023 reporting years. That ranks 1,467 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Iowa's 460 reporting TRI sites, pounds #1 is not chemical-count #1. Continental Cement Co is pounds #36 and chemical-count #77 at 816.5K lbs. Climax Molybdenum Co leads reported pounds (16.4M lbs) at 5 chemicals (chemical-count #117). Helena Industries LLC leads chemical count at 32 chemicals (9.4K lbs, pounds #247). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Linwood Mining & Minerals Corp Lime Plant; Novelis Alr Aluminum LLC - Novelis Davenport Casting; Sears Manufacturing Co.; Nestle Purina Petcare Co Davenport Factory. Similar-scale Nonmetallic Mineral Product peers outside Iowa: Belden Brick Co Plant 6; Buzzi Unicem Usa-Greencastle Plant; Lhoist Na of Alabama Llc-Montevallo Plant; Gcc Rio Grande Inc. Other Summit Materials LLC sites in this extract: Continental Cement Co LLC; Argos USA - Martinsburg; Argos Newberry Plant; Argos Cement Harleyville Plant. Largest disclosed chemicals by pounds: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Ammonia; Chromium; Manganese compounds.
Continental Cement Co stamps MID volume with a dominant AIR pathway (96.4% air releases) across 8 chemicals. Cumulative Form-R extract: 816.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Belden Brick Co Plant 6 and Buzzi Unicem Usa-Greencastle Plant.
Continental Cement Co vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
816K lbs Top 6% higher than 94% 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
Continental Cement Co: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Continental Cement Co reports the 36th-largest volume, placing it in the top 1.1% of its sector. Its reported volume is concentrated rather than spread: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 85.4% of the total. Scale peers outside Iowa include Belden Brick Co Plant 6 and Buzzi Unicem Usa-Greencastle Plant.
Concentrated means ≥60% of Continental Cement Co's pounds in one chemical - here Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at 85.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Continental Cement Co's total reported releases fell from 175.8 thousand lb in 2022 to 169.5 thousand lb in 2023, based on EPA TRI filings.
- Continental Cement Co's land releases fell from 6.8 thousand lb in 2022 to 1.1 thousand lb in 2023, based on EPA TRI filings.
- Continental Cement Co's off-site transfers fell from 11.7 thousand lb in 2022 to 3.6 thousand lb in 2023, based on EPA TRI filings.
- Continental Cement Co's air releases rose from 157.3 thousand lb in 2022 to 164.8 thousand lb in 2023, based on EPA TRI filings.
Continental Cement Co Form-R facts
Compare this facility
See how Continental Cement Co stacks up against nearby facilities and the typical reporter.
About the same as the comparison
About the same as 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 Continental Cement Co releases toxic chemicals into the environment. Total: 816.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 11% (153.0K lbs to 169.5K lbs).
Continental Cement Co: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Continental Cement Co year-over-year reported totals (increased by 11% 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: Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 153.0K lbs | 7 |
| 2020 | 158.6K lbs | 6 |
| 2021 | 159.6K lbs | 7 |
| 2022 | 175.8K lbs | 7 |
| 2023 | 169.5K lbs | 7 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 697.2K lbs | - |
| Ammonia | 87.9K lbs | - |
| Chromium | 15.7K lbs | - |
| Manganese compounds | 8.5K lbs | - |
| Zinc compounds | 3.9K lbs | - |
| Lead And Lead Compounds | 3.2K lbs | - |
| Mercury And Mercury Compounds | 97 lbs | - |
| Mercury compounds | 23 lbs | - |
Continental Cement Co · AIR-pathway site
Nearest TRI Facilities to Continental Cement Co
Closest other reporters in Iowa - including Linwood Mining & Minerals Corp Lime Plant, Novelis Alr Aluminum LLC - Novelis Davenport Casting, Sears Manufacturing Co., ordered by distance.
Showing 8 of 459 other reporting facilities in Iowa.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Iowa - e.g. Belden Brick Co Plant 6, Buzzi Unicem Usa-Greencastle Plant, Lhoist Na of Alabama Llc-Montevallo Plant.
Compare beyond Iowa
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Continental Cement Co on cumulative reported pounds (816.5K lbs) and distinct chemical count (8). Release-pound peers include Chs Inc. Laurel Refinery, Sk Battery America Inc., Matheson Tri-Gas-New Johnsonville Tn Branch. Chemical-count peers include Prepa-South Coast Power Plant, Argos Puerto Rico Corp., US Tsubaki Automotive LLC. 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.
- Chs Inc. Laurel Refinery Laurel, MT · Petroleum 816.2K lbs reported
- Sk Battery America Inc. Commerce, GA · Electrical Equipment 818.4K lbs reported
- Matheson Tri-Gas-New Johnsonville Tn Branch Waverly, TN · Chemicals 814.3K lbs reported
- Befesa Zinc US Inc. Barnwell, SC · Primary Metals 813.9K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Summit Materials LLC Facilities
Same-parent TRI sites ranked by reported releases - including Continental Cement Co LLC, Argos USA - Martinsburg, Argos Newberry 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 Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia, Chromium, Manganese compounds; nearby reporters include Linwood Mining & Minerals Corp Lime Plant. Continental Cement Co stamps MID volume · AIR pathway · CLEAN 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 Continental Cement Co TRI extract (MID · AIR · CLEAN · lead Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Continental Cement Co totals are self-reported EPCRA §313 estimates for Buffalo, IA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327310 · Nonmetallic Mineral Product. 12.4% of Scott TRI pounds in this extract. Nearest ABS peer: Chs Inc. Laurel Refinery (Δ 206 lbs). Pounds ≠ exposure.
Continental Cement Co stamps MID volume · AIR pathway · CLEAN · lead Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). 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