EPA TRI Facility · Nonmetallic Mineral Product
Napco Precast LLC
Broken Arrow, OK · Parent: Napco Precast LLC
- Total releases
- 888 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Land Disposal
LAND Form-R mix
Napco Precast LLC: how the 888 lbs splits
888 lbs across all reported pathways
- Land Disposal 888 lbs 100.0%
Napco Precast LLC's 888 lbs Form-R total is LAND - land disposal is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
TRACE volume LAND pathway CLEAN
Napco Precast LLC is an EPA Toxics Release Inventory reporter in Broken Arrow, OK, in the nonmetallic mineral product sector. It reported 88 lbs of releases across 1 chemical in 2023, and 888 lbs in total across its 2019-2023 reporting years. That ranks 14,028 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Napco Precast LLC is pounds #240 and chemical-count #320 at 888 lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Greenhill Concrete Broken Arrow Batch Plant; Standard Materials Group Inc. Broken Arrow Ready Mix; Russelectric a Siemens Business; Blue Bell Creameries. Similar-scale Nonmetallic Mineral Product peers outside Oklahoma: US Gypsum Co; Central Washington Concrete Ephrata; S&g Concrete Grantley Ave.; Martin Marietta Arizona LLC - River Ranch Plant. Other Napco Precast LLC sites in this extract: Napco Precast LLC. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Napco Precast LLC stamps TRACE volume with a dominant LAND pathway (100.0% land disposal) across 1 chemical. Cumulative Form-R extract: 888 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include US Gypsum Co and Central Washington Concrete Ephrata.
Napco Precast LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
888 lbs 46th percentile higher than 46% 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
Napco Precast LLC in the Nonmetallic Mineral Product sector extract
Among the 3,265 Nonmetallic Mineral Product facilities in this database, Napco Precast LLC reports the 641st-largest volume, placing it in the top 19.6% of its sector. Scale peers outside Oklahoma include US Gypsum Co and Central Washington Concrete Ephrata.
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
- Napco Precast LLC's total reported releases fell from 122 lb in 2022 to 88 lb in 2023, based on EPA TRI filings.
- Napco Precast LLC's land releases fell from 122 lb in 2022 to 88 lb in 2023, based on EPA TRI filings.
Napco Precast LLC Form-R facts
Compare this facility
See how Napco Precast LLC stacks up against nearby facilities and the typical reporter.
4.4× more than the comparison
50% 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 Napco Precast LLC releases toxic chemicals into the environment. Total: 888 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 65% (249 lbs to 88 lbs).
Napco Precast LLC: annual Form-R pounds
TRACE site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Napco Precast LLC year-over-year reported totals (decreased by 65% 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).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 249 lbs | 1 |
| 2020 | 271 lbs | 1 |
| 2021 | 158 lbs | 1 |
| 2022 | 122 lbs | 1 |
| 2023 | 88 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 888 lbs | - |
Napco Precast LLC · LAND-pathway site
Nearest TRI Facilities to Napco Precast LLC
Closest other reporters in Oklahoma - including Greenhill Concrete Broken Arrow Batch Plant, Standard Materials Group Inc. Broken Arrow Ready Mix, Russelectric a Siemens Business, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Nonmetallic Mineral Product Facilities
Other Nonmetallic Mineral Product facilities with similar total release volumes (±80%), outside Oklahoma - e.g. US Gypsum Co, Central Washington Concrete Ephrata, S&g Concrete Grantley Ave..
Other Napco Precast LLC Facilities
Same-parent TRI sites ranked by reported releases - including Napco Precast 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); nearby reporters include Greenhill Concrete Broken Arrow Batch Plant. Napco Precast LLC stamps TRACE volume · LAND 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 Napco Precast LLC TRI extract (TRACE · LAND · CLEAN · 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.
Napco Precast LLC totals are self-reported EPCRA §313 estimates for Broken Arrow, OK, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 327331 · Nonmetallic Mineral Product. 0.0% of Tulsa TRI pounds in this extract. Nearest ABS peer: Florida Chemical Co (Δ 0 lbs). Pounds ≠ exposure.
Napco Precast LLC stamps TRACE volume · LAND pathway · CLEAN · 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