EPA TRI Facility · Electric Utilities

Tri-State Generation & Transmission-Nucla Station

Nucla, CO

Total releases
1.3K lbs
Chemicals reported
1
Latest report
2019
Primary pathway
Off-site Transfers

OFFSITE Form-R mix

Tri-State Generation & Transmission-Nucla Station: how the 1.3K lbs splits

1.3K lbs across all reported pathways

  • Off-site Transfers 1.3K lbs 99.9%
  • Air Releases 1 lbs 0.1%

Tri-State Generation & Transmission-Nucla Station's 1.3K lbs Form-R total is OFFSITE - off-site transfers is 99.9% of the bar. Next segment: air releases at 0.1%. Leading chemical by pounds: Lead And Lead Compounds.

LIGHT volume OFFSITE pathway CLEAN

Tri-State Generation & Transmission-Nucla Station is an EPA Toxics Release Inventory reporter in Nucla, CO, in the electric utilities sector. It reported 1.3K lbs of releases across 1 chemical in 2019. That ranks 13,429 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Colorado's 277 reporting TRI sites, pounds #1 is not chemical-count #1. Tri-State Generation & Transmission-Nucla Station is pounds #151 and chemical-count #243 at 1.3K lbs. Cripple Creek & Victor Gold Mining Co leads reported pounds (22.9M lbs) at 12 chemicals (chemical-count #13). Suncor Energy Commerce City Refinery leads chemical count at 33 chemicals (460.2K lbs, pounds #24). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Ouray Silver Mines Inc.; Capco LLC; Abc Industries Inc.; Halliburton Grand Junction Field Camp. Similar-scale Electric Utilities peers outside Colorado: Nextera Energy Point Beach LLC; Tenjo Vista Power Plant; E. Kentucky Power Corp. - J.k. Smith Power Station; Prepa-Cambalache Combustion Turbine Plant. Largest disclosed chemicals by pounds: Lead And Lead Compounds.

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Tri-State Generation & Transmission-Nucla Station stamps LIGHT volume with a dominant OFFSITE pathway (99.9% off-site transfers) across 1 chemical. Cumulative Form-R extract: 1.3K lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Nextera Energy Point Beach LLC and Tenjo Vista Power Plant.

#13,429 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Tri-State Generation & Transmission-Nucla Station vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

1.3K lbs 48th percentile higher than 48% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

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

Tri-State Generation & Transmission-Nucla Station inside Montrose's TRI pounds

Among the 513 Electric Utilities facilities in this database, Tri-State Generation & Transmission-Nucla Station reports the 411th-largest volume (1.3K lbs). This one site accounts for 100% of every pound reported in Montrose. Its reported volume is concentrated rather than spread: Lead And Lead Compounds alone is 100% of the total. Scale peers outside Colorado include Nextera Energy Point Beach LLC and Tenjo Vista Power Plant.

County-dominant here means ≥25% of Montrose's reported pounds (1.3K lbs county total). Shares only print when the site reports ≥1,000 lbs.

Tri-State Generation & Transmission-Nucla Station Form-R facts

Sector
Electric Utilities
LIGHT volume
1.3K lbs
OFFSITE pathway
Off-site Transfers
CLEAN chem count
1
Lead chemical
Lead And Lead Compounds

Compare this facility

See how Tri-State Generation & Transmission-Nucla Station stacks up against nearby facilities and the typical reporter.

Total reported releases
Tri-State Generation & Transmission-Nucla Station
1.3K lbs
Ouray Silver Mines Inc.
4.9K lbs

73% less than the comparison

Chemicals reported
Tri-State Generation & Transmission-Nucla Station
1
Ouray Silver Mines Inc.
2

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 Tri-State Generation & Transmission-Nucla Station releases toxic chemicals into the environment. Total: 1.3K lbs.

Off-site Transfers 1.3K lbs (99.9%)
Air Releases 1 lbs (0.1%)

Chemical Releases

Aggregated across all reporting years (2019–2019). Sorted by total release volume.

Chemical Total Flags
Lead And Lead Compounds 1.3K lbs -

Tri-State Generation & Transmission-Nucla Station · OFFSITE-pathway site

Nucla, CO
38.2424, -108.5187
County TRI context
Montrose · 100% of county pounds
EPA Facility ID
81424TRSTT30739

Compare beyond Colorado

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Tri-State Generation & Transmission-Nucla Station on cumulative reported pounds (1.3K lbs) and distinct chemical count (1). Release-pound peers include Equilon Stockton Terminal, Stewart Filmscreen Corp, Flowchem Technologies LLC. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

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 And Lead Compounds; nearby reporters include Ouray Silver Mines Inc.. Tri-State Generation & Transmission-Nucla Station stamps LIGHT volume · OFFSITE 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 Tri-State Generation & Transmission-Nucla Station TRI extract (LIGHT · OFFSITE · CLEAN · lead Lead And Lead Compounds) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Tri-State Generation & Transmission-Nucla Station totals are self-reported EPCRA §313 estimates for Nucla, CO, latest year 2019. NAICS 221112 · Electric Utilities. 100% of Montrose TRI pounds in this extract. Nearest ABS peer: Equilon Stockton Terminal (Δ 0 lbs). Pounds ≠ exposure.

Tri-State Generation & Transmission-Nucla Station stamps LIGHT volume · OFFSITE pathway · CLEAN · lead Lead And 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