EPA TRI Facility · Nonmetallic Mineral Product

Plant #4 - Buckeye

Buckeye, AZ · Parent: Kilgore Cos LLC

Total releases
174 lbs
Chemicals reported
2
Carcinogens
1
Primary pathway
Land Disposal

LAND Form-R mix

Plant #4 - Buckeye: how the 174 lbs splits

174 lbs across all reported pathways

  • Land Disposal 174 lbs 99.9%
  • Air Releases 0 lbs 0.1%

Plant #4 - Buckeye's 174 lbs Form-R total is LAND - land disposal is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).

TRACE volume LAND pathway CARC-LEAN

Plant #4 - Buckeye is an EPA Toxics Release Inventory reporter in Buckeye, AZ, in the nonmetallic mineral product sector. It reported 2 lbs of releases across 1 chemical in 2023, and 174 lbs in total across its 2020-2023 reporting years. That ranks 15,997 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Arizona's 288 reporting TRI sites, pounds #1 is not chemical-count #1. Plant #4 - Buckeye is pounds #204 and chemical-count #173 at 174 lbs. Freeport-McMoran Miami Inc leads reported pounds (129.3M lbs) at 17 chemicals (chemical-count #10). Freeport-McMoran Morenci Inc leads chemical count at 33 chemicals (36.9M lbs, pounds #4). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Quikrete - Arizona Plant; Cardinal Glass; Thatcher Co of Arizona; Kps Global. Similar-scale Nonmetallic Mineral Product peers outside Arizona: Jerome Redi-Mix; Oldcastle Precast Inc; Georgia-Pacific Gypsum LLC; Concrete Pipe & Precast Llc-Ashland Precast Plant. Other Kilgore Cos LLC sites in this extract: Arizona Materials- 43RD Ave Batch Plant; North Salt Lake Batch Plant; Sierra North Batch Plant; American Fork Batch Plant. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Lead.

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Plant #4 - Buckeye stamps TRACE volume with a dominant LAND pathway (99.9% land disposal) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 174 lbs (2020–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Jerome Redi-Mix and Oldcastle Precast Inc.

#15,997 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Plant #4 - Buckeye vs. every reporting TRI facility

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

174 lbs 38th percentile higher than 38% 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

Plant #4 - Buckeye in the Nonmetallic Mineral Product sector extract

Among the 3,265 Nonmetallic Mineral Product facilities in this database, Plant #4 - Buckeye reports the 841st-largest volume (174 lbs). Scale peers outside Arizona include Jerome Redi-Mix and Oldcastle Precast Inc.

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

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Plant #4 - Buckeye's total reported releases fell from 168 lb in 2022 to 2 lb in 2023, based on EPA TRI filings.
  • Plant #4 - Buckeye's land releases fell from 168 lb in 2022 to 2 lb in 2023, based on EPA TRI filings.
  • Plant #4 - Buckeye's chemicals reported fell from 2 in 2022 to 1 in 2023, based on EPA TRI filings.

Plant #4 - Buckeye Form-R facts

Sector
Nonmetallic Mineral Product
TRACE volume
174 lbs
LAND pathway
Land Disposal
CARC-LEAN chem count
2 · 1 carc.
Lead chemical
Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Compare this facility

See how Plant #4 - Buckeye stacks up against nearby facilities and the typical reporter.

Total reported releases
Plant #4 - Buckeye
174 lbs
Quikrete - Arizona Plant
4 lbs

38.6× more than the comparison

Chemicals reported
Plant #4 - Buckeye
2
Quikrete - Arizona Plant
1

2.0× 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 Plant #4 - Buckeye releases toxic chemicals into the environment. Total: 174 lbs.

Land Disposal 174 lbs (99.9%)
Air Releases 0 lbs (0.1%)
View 4-Year Emissions Trend →

Emissions Trend Summary

From 2020 to 2023, total releases decreased by 15% (2 lbs to 2 lbs).

Plant #4 - Buckeye: annual Form-R pounds

TRACE site · LAND pathway · TRI years 2020–2023

million lbs

What this shows Plant #4 - Buckeye year-over-year reported totals (decreased by 15% from 2020 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2020 2 lbs 1
2021 2 lbs 1
2022 168 lbs 2
2023 2 lbs 1

Chemical Releases

Aggregated across all reporting years (2020–2023). 1 of 2 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 166 lbs -
Lead 8 lbs Carcinogen

Plant #4 - Buckeye · LAND-pathway site

Buckeye, AZ
33.3248, -112.6082
County TRI context
Maricopa · 0.0% of county pounds
Parent company
Kilgore Cos LLC

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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead; nearby reporters include Quikrete - Arizona Plant. Plant #4 - Buckeye stamps TRACE volume · LAND pathway · CARC-LEAN 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 Plant #4 - Buckeye TRI extract (TRACE · LAND · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Plant #4 - Buckeye totals are self-reported EPCRA §313 estimates for Buckeye, AZ, latest year 2023. Form-R rows span 2020–2023 (4 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Maricopa TRI pounds in this extract. Nearest ABS peer: Vertiv Corp (Δ 0 lbs). Pounds ≠ exposure.

Plant #4 - Buckeye stamps TRACE volume · LAND pathway · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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