EPA TRI Facility · Petroleum
Idaho Asphalt Supply Inc Nampa Plant
Nampa, ID
- Total releases
- 26 lbs
- Chemicals reported
- 3
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
Idaho Asphalt Supply Inc Nampa Plant: how the 26 lbs splits
26 lbs across all reported pathways
- Air Releases 19 lbs 74.6%
- Off-site Transfers 7 lbs 25.4%
Idaho Asphalt Supply Inc Nampa Plant's 26 lbs Form-R total is AIR - air releases is 74.6% of the bar. Next segment: off-site transfers at 25.4%. Leading chemical by pounds: Polycyclic aromatic compounds.
TRACE volume AIR pathway CARC-HEAVY
Idaho Asphalt Supply Inc Nampa Plant is an EPA Toxics Release Inventory reporter in Nampa, ID, in the petroleum sector. It reported 4 lbs of releases across 3 chemicals in 2023, and 26 lbs in total across its 2019-2023 reporting years. That ranks 17,756 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Idaho's 123 reporting TRI sites, pounds #1 is not chemical-count #1. Idaho Asphalt Supply Inc Nampa Plant is pounds #100 and chemical-count #65 at 26 lbs. Hecla Ltd Lucky Friday Mine Unit leads reported pounds (58.7M lbs) at 10 chemicals (chemical-count #9). US Ecology Idaho Inc. leads chemical count at 75 chemicals (10.2M lbs, pounds #6). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Lippert Components Inc.- Plant 84; Hart & Cooley; Dubois Chemicals Inc. - Nampa Id; Performix Nutrition Systems LLC. Similar-scale Petroleum peers outside Idaho: Vulcan Materials Carroll Canyon; Martin Marietta San Diego Aggregates LLC - Miramar Hma; Safety-Kleen Systems Inc; Pike Industries Inc. - Wells. Largest disclosed chemicals by pounds: Polycyclic aromatic compounds; Naphthalene; Benzo[g,h,i]perylene.
Idaho Asphalt Supply Inc Nampa Plant stamps TRACE volume with a dominant AIR pathway (74.6% air releases) across 3 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 26 lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Vulcan Materials Carroll Canyon and Martin Marietta San Diego Aggregates LLC - Miramar Hma.
Idaho Asphalt Supply Inc Nampa Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
26 lbs 32nd percentile higher than 32% 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
Idaho Asphalt Supply Inc Nampa Plant in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Idaho Asphalt Supply Inc Nampa Plant reports the 489th-largest volume (26 lbs). Scale peers outside Idaho include Vulcan Materials Carroll Canyon and Martin Marietta San Diego Aggregates LLC - Miramar Hma.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Idaho Asphalt Supply Inc Nampa Plant Form-R facts
Compare this facility
See how Idaho Asphalt Supply Inc Nampa Plant stacks up against nearby facilities and the typical reporter.
18.6× more than the comparison
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 Idaho Asphalt Supply Inc Nampa Plant releases toxic chemicals into the environment. Total: 26 lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 20% (5 lbs to 4 lbs).
Idaho Asphalt Supply Inc Nampa Plant: 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 Idaho Asphalt Supply Inc Nampa Plant year-over-year reported totals (decreased by 20% 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: Polycyclic aromatic compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 5 lbs | 3 |
| 2020 | 7 lbs | 3 |
| 2021 | 6 lbs | 3 |
| 2022 | 3 lbs | 3 |
| 2023 | 4 lbs | 3 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Polycyclic aromatic compounds | 22 lbs | Carcinogen |
| Naphthalene | 4 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
Idaho Asphalt Supply Inc Nampa Plant · AIR-pathway site
Nearest TRI Facilities to Idaho Asphalt Supply Inc Nampa Plant
Closest other reporters in Idaho - including Lippert Components Inc.- Plant 84, Hart & Cooley, Dubois Chemicals Inc. - Nampa Id, ordered by distance.
Showing 8 of 122 other reporting facilities in Idaho.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Idaho - e.g. Vulcan Materials Carroll Canyon, Martin Marietta San Diego Aggregates LLC - Miramar Hma, Safety-Kleen Systems Inc.
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 Polycyclic aromatic compounds, Naphthalene, Benzo[g,h,i]perylene; nearby reporters include Lippert Components Inc.- Plant 84. Idaho Asphalt Supply Inc Nampa Plant stamps TRACE 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 Idaho Asphalt Supply Inc Nampa Plant TRI extract (TRACE · AIR · CARC-HEAVY · lead Polycyclic aromatic compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Idaho Asphalt Supply Inc Nampa Plant totals are self-reported EPCRA §313 estimates for Nampa, ID, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324121 · Petroleum. 0.0% of Canyon TRI pounds in this extract. Nearest ABS peer: Abf Labs Inc. (Δ 0 lbs). Pounds ≠ exposure.
Idaho Asphalt Supply Inc Nampa Plant stamps TRACE volume · AIR pathway · CARC-HEAVY · lead Polycyclic aromatic 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