EPA TRI Facility · Electric Utilities
Arizona Electric Power Cooperative Inc
Cochise, AZ
- Total releases
- 509.5K lbs
- Chemicals reported
- 16
- Carcinogens
- 4
- Primary pathway
- Land Disposal
LAND Form-R mix
Arizona Electric Power Cooperative Inc: how the 509.5K lbs splits
509.5K lbs across all reported pathways
- Land Disposal 465.5K lbs 91.4%
- Air Releases 44.0K lbs 8.6%
Arizona Electric Power Cooperative Inc's 509.5K lbs Form-R total is LAND - land disposal is 91.4% of the bar. Next segment: air releases at 8.6%. Leading chemical by pounds: Barium And Barium Compounds.
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.
MID volume LAND pathway CARC-LEAN
Arizona Electric Power Cooperative Inc is an EPA Toxics Release Inventory reporter in Cochise, AZ, in the electric utilities sector. It reported 73.4K lbs of releases across 14 chemicals in 2023, and 509.5K lbs in total across its 2019-2023 reporting years. That ranks 1,927 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. Arizona Electric Power Cooperative Inc is pounds #16 and chemical-count #12 at 509.5K 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: Apache Nitrogen Products Inc; U.s.dod US Army Fort Huachuca - Ranges; U.S. Cbp Brian A. Terry (naco) Border Patrol Stn #AZ0040; Vulcan Materials Co Black Angus. Similar-scale Electric Utilities peers outside Arizona: Southwestern Public Service Co Harrington Station; Ameren Missouri Meramec Energy Center; Midamerican Energy-George Neal South; Ravenswood Generating Station. Largest disclosed chemicals by pounds: Barium And Barium Compounds; Manganese And Manganese Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Vanadium compounds.
Compare Arizona Electric Power Cooperative Inc with
Nearest reporters in Arizona
- Apache Nitrogen Products Inc Saint David · 33.3K lbs
- U.s.dod US Army Fort Huachuca - Ranges Fort Huachuca · 17.4K lbs
- U.S. Cbp Brian A. Terry (naco) Border Patrol Stn #AZ0040 Bisbee · 6.2K lbs
- Vulcan Materials Co Black Angus Tucson · 95 lbs
Similar-scale Electric Utilities sites elsewhere: Southwestern Public Service Co Harrington Station (TX) · Ameren Missouri Meramec Energy Center (MO) · Midamerican Energy-George Neal South (IA)
Arizona Electric Power Cooperative Inc stamps MID volume with a dominant LAND pathway (91.4% land disposal) across 16 chemicals · 4 carcinogen-classified. Cumulative Form-R extract: 509.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Southwestern Public Service Co Harrington Station and Ameren Missouri Meramec Energy Center.
Arizona Electric Power Cooperative Inc vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
509K lbs Top 7% higher than 93% 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
Arizona Electric Power Cooperative Inc inside Cochise's TRI pounds
Among the 513 Electric Utilities facilities in this database, Arizona Electric Power Cooperative Inc reports the 241st-largest volume (509.5K lbs). This one site accounts for 89.9% of every pound reported in Cochise. Scale peers outside Arizona include Southwestern Public Service Co Harrington Station and Ameren Missouri Meramec Energy Center.
County-dominant here means ≥25% of Cochise's reported pounds (566.4K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Arizona Electric Power Cooperative Inc's total reported releases fell from 179.5 thousand lb in 2022 to 73.4 thousand lb in 2023, based on EPA TRI filings.
- Arizona Electric Power Cooperative Inc's land releases fell from 165.8 thousand lb in 2022 to 67.8 thousand lb in 2023, based on EPA TRI filings.
- Arizona Electric Power Cooperative Inc's air releases fell from 13.7 thousand lb in 2022 to 5.6 thousand lb in 2023, based on EPA TRI filings.
- Arizona Electric Power Cooperative Inc's chemicals reported rose from 13 in 2022 to 14 in 2023, based on EPA TRI filings.
Arizona Electric Power Cooperative Inc Form-R facts
Compare this facility
See how Arizona Electric Power Cooperative Inc stacks up against nearby facilities and the typical reporter.
15.3× more than the comparison
5.3× 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 Arizona Electric Power Cooperative Inc releases toxic chemicals into the environment. Total: 509.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 61% (45.5K lbs to 73.4K lbs).
Arizona Electric Power Cooperative Inc: annual Form-R pounds
MID site · LAND pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Arizona Electric Power Cooperative Inc year-over-year reported totals (increased by 61% 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: Barium And Barium Compounds.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 45.5K lbs | 14 |
| 2020 | 66.8K lbs | 14 |
| 2021 | 144.3K lbs | 14 |
| 2022 | 179.5K lbs | 13 |
| 2023 | 73.4K lbs | 14 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 4 of 16 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Barium And Barium Compounds | 279.6K lbs | - |
| Manganese And Manganese Compounds | 63.7K lbs | - |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 40.5K lbs | - |
| Vanadium compounds | 24.9K lbs | - |
| Hydrogen fluoride | 16.7K lbs | - |
| Zinc compounds | 16.3K lbs | - |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 16.2K lbs | - |
| Copper And Copper Compounds | 13.8K lbs | - |
| Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 10.9K lbs | - |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 9.6K lbs | - |
| Lead And Lead Compounds | 8.1K lbs | - |
| Nickel | 5.5K lbs | Carcinogen |
| Cobalt And Cobalt Compounds | 2.0K lbs | Carcinogen |
| Cobalt compounds | 1.2K lbs | Carcinogen |
| Mercury | 390 lbs | - |
| Dioxin and dioxin-like compounds | 0 lbs | Carcinogen |
Arizona Electric Power Cooperative Inc · LAND-pathway site
Nearest TRI Facilities to Arizona Electric Power Cooperative Inc
Closest other reporters in Arizona - including Apache Nitrogen Products Inc, U.s.dod US Army Fort Huachuca - Ranges, U.S. Cbp Brian A. Terry (naco) Border Patrol Stn #AZ0040, ordered by distance.
Showing 8 of 287 other reporting facilities in Arizona.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Arizona - e.g. Southwestern Public Service Co Harrington Station, Ameren Missouri Meramec Energy Center, Midamerican Energy-George Neal South.
Compare beyond Arizona
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Arizona Electric Power Cooperative Inc on cumulative reported pounds (509.5K lbs) and distinct chemical count (16). Release-pound peers include Latham Pool Products Inc D/b/a Viking Pools-Tn, Alpha Omega Recycling Inc., Darigold - Sunnyside. Chemical-count peers include Surpass Chemical Co. Inc., The Federal Metal Co, Wheelabrator Frackville Energy Co Inc. 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.
- Latham Pool Products Inc D/b/a Viking Pools-Tn Fayetteville, TN · Plastics and Rubber 509.4K lbs reported
- Alpha Omega Recycling Inc. Longview, TX · Hazardous Waste 509.8K lbs reported
- Darigold - Sunnyside Sunnyside, WA · Food 510.1K lbs reported
- Oliver Fiberglass Products Hohenwald, TN · Plastics and Rubber 510.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
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 Barium And Barium Compounds, Manganese And Manganese Compounds, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Vanadium compounds; nearby reporters include Apache Nitrogen Products Inc. Arizona Electric Power Cooperative Inc stamps MID 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 Arizona Electric Power Cooperative Inc TRI extract (MID · LAND · CARC-LEAN · lead Barium And Barium Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Arizona Electric Power Cooperative Inc totals are self-reported EPCRA §313 estimates for Cochise, AZ, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 221112 · Electric Utilities. 89.9% of Cochise TRI pounds in this extract. Nearest ABS peer: Latham Pool Products Inc D/b/a Viking Pools-Tn (Δ 58 lbs). Pounds ≠ exposure.
Arizona Electric Power Cooperative Inc stamps MID volume · LAND pathway · CARC-LEAN · lead Barium And Barium 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