EPA TRI Facility · Nonmetallic Mineral Product
Oconnor Ready Mix Plant 11
San Antonio, TX · Parent: Martin Marietta Materials Inc
- Total releases
- 0 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Oconnor Ready Mix Plant 11: how the 0 lbs splits
0 lbs across all reported pathways
- Air Releases 0 lbs 88.6%
- Water Discharges 0 lbs 11.4%
Oconnor Ready Mix Plant 11's 0 lbs Form-R total is AIR - air releases is 88.6% of the bar. Next segment: water discharges at 11.4%. Leading chemical by pounds: Lead compounds.
TRACE volume AIR pathway CLEAN
Oconnor Ready Mix Plant 11 is an EPA Toxics Release Inventory reporter in San Antonio, TX, in the nonmetallic mineral product sector. It reported 0 lbs of releases across 1 chemical in 2023, and 0 lbs in total across its 2019-2023 reporting years. That ranks 20,616 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. Oconnor Ready Mix Plant 11 is pounds #1882 and chemical-count #1942 at 0 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: Alamo Cement Co; Clarios Llc. San Antonio Dc; Quikrete - San Antonio Tx (alamo) Plant; Carbonfree Chemicals Spe I Holdings LLC. Similar-scale Nonmetallic Mineral Product peers outside Texas: Forterra Concrete Products - Cedar Rapids; Knight Redi-Mix Inc. - Plant 4; Quikrete - Kentucky Plant; Sunroc Corp - Hurricane. Other Martin Marietta Materials Inc sites in this extract: Martin Marietta North Texas Cement LLC; Martin Marietta Magnesia Specialties Woodville; Mission Valley Rock; Martin Marietta Arizona LLC - River Ranch Plant. Largest disclosed chemicals by pounds: Lead compounds.
Oconnor Ready Mix Plant 11 stamps TRACE volume with a dominant AIR pathway (88.6% air releases) across 1 chemical. Cumulative Form-R extract: 0 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Forterra Concrete Products - Cedar Rapids and Knight Redi-Mix Inc. - Plant 4.
Oconnor Ready Mix Plant 11 vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
0 lbs 21st percentile higher than 21% 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
Oconnor Ready Mix Plant 11 in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Oconnor Ready Mix Plant 11 reports the 2,082nd-largest volume (0 lbs). Scale peers outside Texas include Forterra Concrete Products - Cedar Rapids and Knight Redi-Mix Inc. - Plant 4.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Oconnor Ready Mix Plant 11 Form-R facts
Compare this facility
See how Oconnor Ready Mix Plant 11 stacks up against nearby facilities and the typical reporter.
100% less than the comparison
89% less 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 Oconnor Ready Mix Plant 11 releases toxic chemicals into the environment. Total: 0 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 58% (0 lbs to 0 lbs).
Oconnor Ready Mix Plant 11: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Oconnor Ready Mix Plant 11 year-over-year reported totals (decreased by 58% 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 compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 1 |
| 2020 | 0 lbs | 1 |
| 2021 | 0 lbs | 1 |
| 2022 | 0 lbs | 1 |
| 2023 | 0 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Lead compounds | 0 lbs | - |
Oconnor Ready Mix Plant 11 · AIR-pathway site
Nearest TRI Facilities to Oconnor Ready Mix Plant 11
Closest other reporters in Texas - including Alamo Cement Co, Clarios Llc. San Antonio Dc, Quikrete - San Antonio Tx (alamo) Plant, ordered by distance.
Showing 8 of 2,015 other reporting facilities in Texas.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Texas - e.g. Forterra Concrete Products - Cedar Rapids, Knight Redi-Mix Inc. - Plant 4, Quikrete - Kentucky Plant.
Other Martin Marietta Materials Inc Facilities
Same-parent TRI sites ranked by reported releases - including Martin Marietta North Texas Cement LLC, Martin Marietta Magnesia Specialties Woodville, Mission Valley Rock.
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 compounds; nearby reporters include Alamo Cement Co. Oconnor Ready Mix Plant 11 stamps TRACE 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 Oconnor Ready Mix Plant 11 TRI extract (TRACE · AIR · CLEAN · lead Lead compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Oconnor Ready Mix Plant 11 totals are self-reported EPCRA §313 estimates for San Antonio, TX, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327320 · Nonmetallic Mineral Product. 0.0% of Bexar TRI pounds in this extract. Nearest ABS peer: Forterra Concrete Products - Cedar Rapids (Δ 0 lbs). Pounds ≠ exposure.
Oconnor Ready Mix Plant 11 stamps TRACE volume · AIR pathway · CLEAN · lead Lead compounds. 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