EPA TRI Facility · Petroleum

Seward Plant

Liberty Hill, TX · Parent: Oldcastle Materials Inc

Total releases
711 lbs
Chemicals reported
3
Carcinogens
1
Primary pathway
Land Disposal

LAND Form-R mix

Seward Plant: how the 711 lbs splits

711 lbs across all reported pathways

  • Land Disposal 707 lbs 99.4%
  • Air Releases 4 lbs 0.6%

Seward Plant's 711 lbs Form-R total is LAND - land disposal is 99.4% of the bar. Next segment: air releases at 0.6%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).

TRACE volume LAND pathway TRACE-CARC

Seward Plant is an EPA Toxics Release Inventory reporter in Liberty Hill, TX, in the petroleum sector. It reported 1 lbs of releases across 2 chemicals in 2023, and 711 lbs in total across its 2019-2023 reporting years. That ranks 14,341 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Texas's 2,016 reporting TRI sites, pounds #1 is not chemical-count #1. Seward Plant is pounds #1330 and chemical-count #1060 at 711 lbs. Ascend Performance Materials-Chocolate Bayou Plant leads reported pounds (94.0M lbs) at 36 chemicals (chemical-count #35). Veolia Es Technical Solutions LLC Port Arthur Facility leads chemical count at 246 chemicals (1.5M lbs, pounds #112). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Txi-Leander Ready Mix; Ronald Reagan Cbp; Centex Materials - Georgetown Rmx; Custom Crete - Leander. Similar-scale Petroleum peers outside Texas: Fuchs Lubricants Co Huntington; Owens Corning Roofing & Asphalt LLC; Phillips 66 Selmer Lubricants Plant; Cornejo Cmc Ready Mix Plant 1. Other Oldcastle Materials Inc sites in this extract: Apac-Central, Inc., Springdale Ready Mix. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Polycyclic aromatic compounds; Benzo[g,h,i]perylene.

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Seward Plant stamps TRACE volume with a dominant LAND pathway (99.4% land disposal) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 711 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Fuchs Lubricants Co Huntington and Owens Corning Roofing & Asphalt LLC.

#14,341 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Seward Plant vs. every reporting TRI facility

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

711 lbs 45th percentile higher than 45% 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

Seward Plant in the Petroleum sector extract

Among the 902 Petroleum facilities in this database, Seward Plant reports the 343rd-largest volume (711 lbs). Scale peers outside Texas include Fuchs Lubricants Co Huntington and Owens Corning Roofing & Asphalt LLC.

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

Seward Plant Form-R facts

Sector
Petroleum
TRACE volume
711 lbs
LAND pathway
Land Disposal
TRACE-CARC chem count
3 · 1 carc.
Lead chemical
Nitrate compounds (water dissociable; reportable only when in aqueous solution)

Compare this facility

See how Seward Plant stacks up against nearby facilities and the typical reporter.

Total reported releases
Seward Plant
711 lbs
Txi-Leander Ready Mix
0 lbs

4259.6× more than the comparison

Chemicals reported
Seward Plant
3
Txi-Leander Ready Mix
1

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 Seward Plant releases toxic chemicals into the environment. Total: 711 lbs.

Land Disposal 707 lbs (99.4%)
Air Releases 4 lbs (0.6%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2023, total releases decreased by 100% (313 lbs to 1 lbs).

Seward Plant: annual Form-R pounds

TRACE site · LAND pathway · TRI years 2019–2023

million lbs

What this shows Seward Plant year-over-year reported totals (decreased by 100% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 313 lbs 3
2020 396 lbs 3
2021 1 lbs 2
2022 1 lbs 2
2023 1 lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Nitrate compounds (water dissociable; reportable only when in aqueous solution) 707 lbs -
Polycyclic aromatic compounds 4 lbs Carcinogen
Benzo[g,h,i]perylene 0 lbs -

Seward Plant · LAND-pathway site

Liberty Hill, TX
30.6567, -97.8850
County TRI context
Williamson · 0.2% of county pounds
Parent company
Oldcastle Materials Inc

Other Oldcastle Materials Inc Facilities

Same-parent TRI sites ranked by reported releases - including Apac-Central, Inc., Springdale Ready Mix.

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), Polycyclic aromatic compounds, Benzo[g,h,i]perylene; nearby reporters include Txi-Leander Ready Mix. Seward Plant stamps TRACE volume · LAND 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 Seward Plant TRI extract (TRACE · LAND · TRACE-CARC · 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.

Seward Plant totals are self-reported EPCRA §313 estimates for Liberty Hill, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324121 · Petroleum. 0.2% of Williamson TRI pounds in this extract. Nearest ABS peer: Philips Ultrasound LLC (Δ 0 lbs). Pounds ≠ exposure.

Seward Plant stamps TRACE volume · LAND pathway · TRACE-CARC · 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