EPA TRI Facility · Hazardous Waste
U.S. Natl Park Service - Grand Canyon National Park
Grand Canyon, AZ
- Total releases
- 77.7K lbs
- Chemicals reported
- 4
- Carcinogens
- 1
- Primary pathway
- Land Disposal
LAND Form-R mix
U.S. Natl Park Service - Grand Canyon National Park: how the 77.7K lbs splits
77.7K lbs across all reported pathways
- Land Disposal 67.0K lbs 86.3%
- Air Releases 10.7K lbs 13.7%
U.S. Natl Park Service - Grand Canyon National Park's 77.7K lbs Form-R total is LAND - land disposal is 86.3% of the bar. Next segment: air releases at 13.7%. Leading chemical by pounds: Chlorine.
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
LIGHT volume LAND pathway CARC-LEAN
U.S. Natl Park Service - Grand Canyon National Park is an EPA Toxics Release Inventory reporter in Grand Canyon, AZ, in the hazardous waste sector. It reported 10.6K lbs of releases across 2 chemicals in 2023, and 77.7K lbs in total across its 2019-2023 reporting years. That ranks 5,130 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. U.S. Natl Park Service - Grand Canyon National Park is pounds #44 and chemical-count #81 at 77.7K 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: Schuff Steel Co-Flagstaff; U.S. Army National Guard Camp Navajo Range; W. L. Gore & Associates Inc.; Flagstaff Plant #21. Similar-scale Hazardous Waste peers outside Arizona: Lonestar Ecology LLC; Clean Harbors Wilmington LLC; Heritage-Crystal Clean LLC - Richmond Recycling Center; Wrr Environmental Services Co Inc. Largest disclosed chemicals by pounds: Chlorine; Mixture; Lead; Lead And Lead Compounds.
U.S. Natl Park Service - Grand Canyon National Park stamps LIGHT volume with a dominant LAND pathway (86.3% land disposal) across 4 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 77.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Lonestar Ecology LLC and Clean Harbors Wilmington LLC.
U.S. Natl Park Service - Grand Canyon National Park vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
78K lbs Top 20% higher than 80% 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
U.S. Natl Park Service - Grand Canyon National Park: Chlorine-led volume
Among the 261 Hazardous Waste facilities in this database, U.S. Natl Park Service - Grand Canyon National Park reports the 92nd-largest volume (77.7K lbs). Its reported volume is concentrated rather than spread: Chlorine alone is 71.5% of the total. Scale peers outside Arizona include Lonestar Ecology LLC and Clean Harbors Wilmington LLC.
Concentrated means ≥60% of U.S. Natl Park Service - Grand Canyon National Park's pounds in one chemical - here Chlorine at 71.5%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- U.S. Natl Park Service - Grand Canyon National Park's total reported releases fell from 13.0 thousand lb in 2022 to 10.6 thousand lb in 2023, based on EPA TRI filings.
- U.S. Natl Park Service - Grand Canyon National Park's air releases rose from 10 lb in 2022 to 10.6 thousand lb in 2023, based on EPA TRI filings.
- U.S. Natl Park Service - Grand Canyon National Park's land releases fell from 13.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
U.S. Natl Park Service - Grand Canyon National Park Form-R facts
Compare this facility
See how U.S. Natl Park Service - Grand Canyon National Park stacks up against nearby facilities and the typical reporter.
150.5× more than the comparison
About the same as 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 U.S. Natl Park Service - Grand Canyon National Park releases toxic chemicals into the environment. Total: 77.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 50% (21.2K lbs to 10.6K lbs).
U.S. Natl Park Service - Grand Canyon National Park: annual Form-R pounds
LIGHT site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows U.S. Natl Park Service - Grand Canyon National Park year-over-year reported totals (decreased by 50% 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: Chlorine.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 21.2K lbs | 2 |
| 2020 | 21.9K lbs | 2 |
| 2021 | 10.9K lbs | 2 |
| 2022 | 13.0K lbs | 2 |
| 2023 | 10.6K lbs | 2 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 4 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Chlorine | 55.5K lbs | - |
| Mixture | 20.7K lbs | - |
| Lead | 991 lbs | Carcinogen |
| Lead And Lead Compounds | 483 lbs | - |
U.S. Natl Park Service - Grand Canyon National Park · LAND-pathway site
Nearest TRI Facilities to U.S. Natl Park Service - Grand Canyon National Park
Closest other reporters in Arizona - including Schuff Steel Co-Flagstaff, U.S. Army National Guard Camp Navajo Range, W. L. Gore & Associates Inc., ordered by distance.
Showing 8 of 287 other reporting facilities in Arizona.
Similar Hazardous Waste Facilities
Other Hazardous Waste facilities with similar total release volumes (±80%), outside Arizona - e.g. Lonestar Ecology LLC, Clean Harbors Wilmington LLC, Heritage-Crystal Clean LLC - Richmond Recycling Center.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest U.S. Natl Park Service - Grand Canyon National Park on cumulative reported pounds (77.7K lbs) and distinct chemical count (4). Release-pound peers include Core Composite Cincinnati, Newbasis LLC, American Phoenix Inc. Chemical-count peers include Hamilton Sundstrand de Puerto Rico Inc., Abb Installation Products Caribe LLC, Solenis LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Hamilton Sundstrand de Puerto Rico Inc. Santa Isabel, PR · Transportation Equipment 4 chemicals
- Abb Installation Products Caribe LLC Vega Baja, PR · Electrical Equipment 4 chemicals
- Solenis LLC Chicopee, MA · Chemicals 4 chemicals
- Adhesive Applications Inc. - O'Neill St Easthampton Easthampton, MA · Miscellaneous Manufacturing 4 chemicals
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 Chlorine, Mixture, Lead, Lead And Lead Compounds; nearby reporters include Schuff Steel Co-Flagstaff. U.S. Natl Park Service - Grand Canyon National Park stamps LIGHT 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 U.S. Natl Park Service - Grand Canyon National Park TRI extract (LIGHT · LAND · CARC-LEAN · lead Chlorine) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
U.S. Natl Park Service - Grand Canyon National Park totals are self-reported EPCRA §313 estimates for Grand Canyon, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 562112 · Hazardous Waste. 7.7% of Coconino TRI pounds in this extract. Nearest ABS peer: Core Composite Cincinnati (Δ 20 lbs). Pounds ≠ exposure.
U.S. Natl Park Service - Grand Canyon National Park stamps LIGHT volume · LAND pathway · CARC-LEAN · lead Chlorine. 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