EPA TRI Facility · Electric Utilities

Commonwealth Utilities Corp (cuc)

Saipan, MP · Parent: Commonwealth Utilities Corp

Total releases
13.1K lbs
Chemicals reported
6
Carcinogens
3
Primary pathway
Air Releases

AIR Form-R mix

Commonwealth Utilities Corp (cuc): how the 13.1K lbs splits

13.1K lbs across all reported pathways

  • Air Releases 13.1K lbs 100.0%

Commonwealth Utilities Corp (cuc)'s 13.1K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size).

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 AIR pathway CARC-LEAN

Commonwealth Utilities Corp (cuc) is an EPA Toxics Release Inventory reporter in Saipan, MP, in the electric utilities sector. It reported 13.1K lbs of releases across 6 chemicals in 2019. That ranks 9,214 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Northern Mariana Islands's 8 reporting TRI sites, pounds #1 is not chemical-count #1. Commonwealth Utilities Corp (cuc) leads reported pounds (13.1K lbs) at 6 chemicals (chemical-count #3). Mobil Oil Mariana Islands Inc (saipan Terminal) leads chemical count at 11 chemicals (8.3K lbs, pounds #3). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Mariana Acquistion Corp/saipan Terminal; Commonwealth Utilities Corp (cuc); Mobil Oil Mariana Islands Inc (saipan Terminal); Mobil Oil Mariana Islands Inc (saipan Aviation Depot). Similar-scale Electric Utilities peers outside Northern Mariana Islands: Dte Electric Company-Fermi Power Plant; Presque Isle Power Plant; Garrison Energy Center; Kearny Generating Station. Other Commonwealth Utilities Corp sites in this extract: Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc). Largest disclosed chemicals by pounds: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Polycyclic aromatic compounds; Naphthalene; Mercury.

In-state chemical count is not the pounds ranking

Northern Mariana Islands TRI reporters with pounds > 0 and chemicals > 0 (n=8)

chemicals

What this shows Mobil Oil Mariana Islands Inc (saipan Terminal) leads Northern Mariana Islands chemical count. Commonwealth Utilities Corp (cuc) leads reported pounds and sits at chemical-count #3. Chemical count is a disclosure mix, not toxicity or health risk.

Source U.S. Environmental Protection Agency, Toxics Release Inventory As of 2023 reporting year
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Commonwealth Utilities Corp (cuc) stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 6 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 13.1K lbs (2019–2019). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Dte Electric Company-Fermi Power Plant and Presque Isle Power Plant.

#9,214 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Commonwealth Utilities Corp (cuc) vs. every reporting TRI facility

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

13K lbs Top 35% higher than 65% 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

Commonwealth Utilities Corp (cuc) inside Saipan Municipality's TRI pounds

Among the 513 Electric Utilities facilities in this database, Commonwealth Utilities Corp (cuc) reports the 380th-largest volume (13.1K lbs). This one site accounts for 39.0% of every pound reported in Saipan Municipality. Its reported volume is concentrated rather than spread: Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) alone is 89.6% of the total. Scale peers outside Northern Mariana Islands include Dte Electric Company-Fermi Power Plant and Presque Isle Power Plant.

County-dominant here means ≥25% of Saipan Municipality's reported pounds (33.6K lbs county total). Shares only print when the site reports ≥1,000 lbs.

Commonwealth Utilities Corp (cuc) Form-R facts

Sector
Electric Utilities
LIGHT volume
13.1K lbs
AIR pathway
Air Releases
CARC-LEAN chem count
6 · 3 carc.
Lead chemical
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

Compare this facility

See how Commonwealth Utilities Corp (cuc) stacks up against nearby facilities and the typical reporter.

Total reported releases
Commonwealth Utilities Corp (cuc)
13.1K lbs
Mariana Acquistion Corp/saipan Terminal
12.1K lbs

About the same as the comparison

Chemicals reported
Commonwealth Utilities Corp (cuc)
6
Mariana Acquistion Corp/saipan Terminal
10

40% 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 Commonwealth Utilities Corp (cuc) releases toxic chemicals into the environment. Total: 13.1K lbs.

Air Releases 13.1K lbs (100.0%)

Chemical Releases

Aggregated across all reporting years (2019–2019). 3 of 6 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 11.8K lbs -
Polycyclic aromatic compounds 1.1K lbs Carcinogen
Naphthalene 181 lbs Carcinogen
Mercury 45 lbs -
Zinc compounds 8 lbs -
Ethylbenzene 1 lbs Carcinogen

Commonwealth Utilities Corp (cuc) · AIR-pathway site

Saipan, MP
15.2178, 145.7287
County TRI context
Saipan Municipality · 39.0% of county pounds
Parent company
Commonwealth Utilities Corp

Similar Electric Utilities Facilities

Other Electric Utilities facilities with similar total release volumes (±80%), outside Northern Mariana Islands - e.g. Dte Electric Company-Fermi Power Plant, Presque Isle Power Plant, Garrison Energy Center.

Compare beyond Northern Mariana Islands

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Commonwealth Utilities Corp (cuc) on cumulative reported pounds (13.1K lbs) and distinct chemical count (6). Release-pound peers include Ryder-Heil Bronze Inc., Quality Steel Corp, Orchid Orthopedic Solutions Oregon Inc. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

Other Commonwealth Utilities Corp Facilities

Same-parent TRI sites ranked by reported releases - including Commonwealth Utilities Corp (cuc), Commonwealth Utilities Corp (cuc).

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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Polycyclic aromatic compounds, Naphthalene, Mercury; nearby reporters include Mariana Acquistion Corp/saipan Terminal. Commonwealth Utilities Corp (cuc) stamps LIGHT volume · AIR 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 Commonwealth Utilities Corp (cuc) TRI extract (LIGHT · AIR · CARC-LEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Commonwealth Utilities Corp (cuc) totals are self-reported EPCRA §313 estimates for Saipan, MP, latest year 2019. NAICS 221112 · Electric Utilities. 39.0% of Saipan Municipality TRI pounds in this extract. Nearest ABS peer: Ryder-Heil Bronze Inc. (Δ 1 lbs). Pounds ≠ exposure.

Commonwealth Utilities Corp (cuc) stamps LIGHT volume · AIR pathway · CARC-LEAN · lead Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). 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