EPA TRI Facility · Nonmetallic Mineral Product
Liberty Ready Mix - Grimes
Grimes, IA
- Total releases
- 7.2K lbs
- Chemicals reported
- 1
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Liberty Ready Mix - Grimes: how the 7.2K lbs splits
7.2K lbs across all reported pathways
- Air Releases 7.2K lbs 100.0%
Liberty Ready Mix - Grimes's 7.2K 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: Lead.
LIGHT volume AIR pathway CARC-HEAVY
Liberty Ready Mix - Grimes is an EPA Toxics Release Inventory reporter in Grimes, IA, in the nonmetallic mineral product sector. It reported 1.2K lbs of releases across 1 chemical in 2023, and 7.2K lbs in total across its 2019-2023 reporting years. That ranks 10,474 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. Liberty Ready Mix - Grimes is pounds #257 and chemical-count #359 at 7.2K 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: Central Iowa Ready Mix; Quality Manufacturing Corp - Urbandale; Cb&i Storage Tank Solutions Llc.; U.S. Army Iowa Army National Guard Camp Dodge Installation. Similar-scale Nonmetallic Mineral Product peers outside Iowa: Oldcastle Infrastructure - Northlake; Glacier Northwest Inc Woodland Ready-Mix Plant; Guardian Fabrication LLC - Plant 2; Oldcastle Precast Inc. Largest disclosed chemicals by pounds: Lead.
Liberty Ready Mix - Grimes stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 1 chemical · 1 carcinogen-classified. Cumulative Form-R extract: 7.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Oldcastle Infrastructure - Northlake and Glacier Northwest Inc Woodland Ready-Mix Plant.
Liberty Ready Mix - Grimes vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
7.2K lbs Top 40% higher than 60% 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
Liberty Ready Mix - Grimes: Lead-led volume
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Liberty Ready Mix - Grimes reports the 409th-largest volume, placing it in the top 12.5% of its sector. Its reported volume is concentrated rather than spread: Lead alone is 100% of the total. Carcinogen-classified chemicals make up 100% of the reported pounds, not just of the chemical count. Scale peers outside Iowa include Oldcastle Infrastructure - Northlake and Glacier Northwest Inc Woodland Ready-Mix Plant.
Concentrated means ≥60% of Liberty Ready Mix - Grimes's pounds in one chemical - here Lead at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Liberty Ready Mix - Grimes's total reported releases fell from 1.7 thousand lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
- Liberty Ready Mix - Grimes's air releases fell from 1.7 thousand lb in 2022 to 1.2 thousand lb in 2023, based on EPA TRI filings.
Liberty Ready Mix - Grimes Form-R facts
Compare this facility
See how Liberty Ready Mix - Grimes stacks up against nearby facilities and the typical reporter.
32% more than 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 Liberty Ready Mix - Grimes releases toxic chemicals into the environment. Total: 7.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 10% (1.4K lbs to 1.2K lbs).
Liberty Ready Mix - Grimes: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Liberty Ready Mix - Grimes year-over-year reported totals (decreased by 10% 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: Lead.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 1.4K lbs | 1 |
| 2020 | 1.4K lbs | 1 |
| 2021 | 1.6K lbs | 1 |
| 2022 | 1.7K lbs | 1 |
| 2023 | 1.2K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 1 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead | 7.2K lbs | Carcinogen |
Liberty Ready Mix - Grimes · AIR-pathway site
Nearest TRI Facilities to Liberty Ready Mix - Grimes
Closest other reporters in Iowa - including Central Iowa Ready Mix, Quality Manufacturing Corp - Urbandale, Cb&i Storage Tank Solutions Llc., 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. Oldcastle Infrastructure - Northlake, Glacier Northwest Inc Woodland Ready-Mix Plant, Guardian Fabrication LLC - Plant 2.
Compare beyond Iowa
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Liberty Ready Mix - Grimes on cumulative reported pounds (7.2K lbs) and distinct chemical count (1). Release-pound peers include Parallel Products of California, Dorn Color LLC, Mahr Inc.. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Lead; nearby reporters include Central Iowa Ready Mix. Liberty Ready Mix - Grimes stamps LIGHT volume · AIR pathway · CARC-HEAVY 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 Liberty Ready Mix - Grimes TRI extract (LIGHT · AIR · CARC-HEAVY · lead Lead) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Liberty Ready Mix - Grimes totals are self-reported EPCRA §313 estimates for Grimes, IA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.2% of Polk TRI pounds in this extract. Nearest ABS peer: Parallel Products of California (Δ 0 lbs). Pounds ≠ exposure.
Liberty Ready Mix - Grimes stamps LIGHT volume · AIR pathway · CARC-HEAVY · lead Lead. 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