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Commonwealth Utilities Corp

3 facilities · 1 state · 13.1K lbs total releases

According to the EPA Toxics Release Inventory, Commonwealth Utilities Corp is the reported parent of 3 Form R facilities across 1 state, disclosing 13.1K lbs of toxic releases. 3 of 10 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Northern Mariana Islands (13.1K lbs). Those TRI figures remain self-reported disclosure pounds for Commonwealth Utilities Corp, including carcinogen-flagged substances, not a measured public-health risk score.

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TRI parent disclosure trail

Read Commonwealth Utilities Corp from filing to facility

Largest Form R sites under this parent: Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc). Neighbor parents on the disclosure ladder: Isla Petroleum LLC; Exxon Mobil Corp. 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; Zinc compounds. Heaviest-reporting states in this extract: Northern Mariana Islands. Industry labels on the parent rollup: Electric Utilities. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.

Total Releases
13.1K lbs
Facilities
3
Chemicals
10
Carcinogens
3

Largest Form R sites under this parent: Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc). Neighbor parents on the disclosure ladder: Isla Petroleum LLC; Exxon Mobil Corp. 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; Zinc compounds. Heaviest-reporting states in this extract: Northern Mariana Islands. Industry labels on the parent rollup: Electric Utilities.

Commonwealth Utilities Corp ranks #2,670 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Commonwealth Utilities Corp's TRI Form R footprint is concentrated in a single state (Northern Mariana Islands), so statewide context matters more than a multi-state portfolio read. Releases are facility-concentrated: Commonwealth Utilities Corp (cuc) accounts for most of Commonwealth Utilities Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.

Parent aggregation for Commonwealth Utilities Corp follows facility-reported names. Compare the named neighbors (Isla Petroleum LLC; Exxon Mobil Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.

Where Commonwealth Utilities Corp sits among TRI parents

Commonwealth Utilities Corp sits on a disclosure ladder beside Isla Petroleum LLC and Exxon Mobil Corp. Open those parents for a different facility count, state span, and chemical mix.

Lower disclosed volume

Largest chemicals disclosed by Commonwealth Utilities Corp

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Polycyclic aromatic compounds; Naphthalene; Mercury; Zinc compounds lead the Form R pound rollup for this parent, including filings such as Commonwealth Utilities Corp (cuc). Pound totals, not toxicity-weighted risk.

Chemical Disclosed lbs
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
Naphthalene 201 lbs
Mercury 45 lbs
Zinc compounds 9 lbs

Facilities (3)

Facility Releases
Commonwealth Utilities Corp (cuc) Saipan, MP 13.1K lbs
Commonwealth Utilities Corp (cuc) Tinian, MP 13 lbs
Commonwealth Utilities Corp (cuc) Rota, MP 8 lbs

Frequently Asked Questions

How much pollution does Commonwealth Utilities Corp release?
Commonwealth Utilities Corp discloses 13.1K lbs across 3 facilities. On the ladder it sits near Isla Petroleum LLC and Exxon Mobil Corp. Commonwealth Utilities Corp ranks #2,670 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set.
How many facilities does Commonwealth Utilities Corp operate?
Commonwealth Utilities Corp maps to 3 facilities in Northern Mariana Islands, including Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc); Commonwealth Utilities Corp (cuc). Releases are facility-concentrated: Commonwealth Utilities Corp (cuc) accounts for most of Commonwealth Utilities Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
What industries and chemicals show up for Commonwealth Utilities Corp?
Commonwealth Utilities Corp's disclosed pounds sit inside a single reported industry label: Electric Utilities. Commonwealth Utilities Corp's largest disclosed chemicals by pounds are Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Polycyclic aromatic compounds, Naphthalene, Mercury, Zinc compounds (carcinogen flags appear on at least one of those chemicals in the TRI extract). Neighbor parents: Isla Petroleum LLC; Exxon Mobil Corp.
Does Commonwealth Utilities Corp release carcinogens?
Yes - 3 carcinogen-flagged substances appear in the extract. Largest by pounds include Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Polycyclic aromatic compounds; Naphthalene; Mercury; Zinc compounds.

Compare beyond the release ladder

Nationwide peers by disclosed pounds & facility count

Cross-portfolio TRI parents nearest Commonwealth Utilities Corp on total disclosed release pounds (13.1K lbs) and reporting facility count (3). Release-volume peers include James Hardie Building Products Inc, Polymer Solutions Group, Compass Minerals International Inc. Facility-count peers include A-Gas US Holdings Inc, Abb Holdings Inc, Adams Resources & Energy Inc. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.

Similar disclosed release pounds

Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.

Similar facility count

Nearest parents by reporting-site count (deduped against the release-pound neighborhood).

About This Data

EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Northern Mariana Islands; facility-reported names can vary across subsidiaries.

Source: U.S. Environmental Protection Agency, TRI Basic Data Files

What to do with Commonwealth Utilities Corp's TRI parent record

From Commonwealth Utilities Corp, open Commonwealth Utilities Corp (cuc) or compare against Isla Petroleum LLC rather than reading rank alone.

  • Open the largest Form R site for Commonwealth Utilities Corp (Commonwealth Utilities Corp (cuc) in MP). Largest facility
  • Compare against Isla Petroleum LLC, the next-lower disclosed-volume parent. Lower-volume parent
  • Browse the full parent release ranking to see where Commonwealth Utilities Corp sits among all slug-merged TRI parents. All parent companies

Rank and peers (Isla Petroleum LLC, Exxon Mobil Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.

Use and verify this record

Commonwealth Utilities Corp's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.

Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.

Primary sources

PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.