Zip Code 23703

📍 Portsmouth, VA

Toxic Air Emissions Report (2024)

Data Source: EPA TRI (2024) • Updated Nov 2025

2,013.78 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Portsmouth, VA released over 2,013.78 lbs of pollutants. The primary source was U.S. AMINES (PORTSMOUTH) LLC, which emitted Ammonia into the local air. Air quality in 23703 is relatively consistent with regional baselines.

Top Polluting Facilities

U.S. AMINES (PORTSMOUTH) LLC

Owned by: ADVANSIX INC

Ammonia released to air

686.60 lbs

LBS
US NAVY DEFENSE FUEL SUPPORT POINT CRANEY ISLAND Cancer Risk

Owned by: nan

Naphthalene released to air

665.81 lbs

LBS
U.S. AMINES (PORTSMOUTH) LLC

Owned by: ADVANSIX INC

Allylamine released to air

587.00 lbs

LBS
U.S. AMINES (PORTSMOUTH) LLC

Owned by: ADVANSIX INC

Allyl chloride released to air

51 lbs

LBS
U.S. AMINES (PORTSMOUTH) LLC Cancer Risk

Owned by: ADVANSIX INC

3-Chloro-2-methyl-1-propene released to air

17.21 lbs

LBS
US COAST GUARD BASE PORTSMOUTH Cancer Risk

Owned by: US DEPARTMENT OF HOMELAND SECURITY

Lead released to air

6.16 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Chesapeake, VA (23324) 8.0 mi away

Heavy Industrial Activity

485,728.43 lbs

Annual Emissions
Newport News, VA (23607) 8.2 mi away

Heavy Industrial Activity

110,800.73 lbs

Annual Emissions
Norfolk, VA (23523) 7.0 mi away

Heavy Industrial Activity

37,259.21 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 23707 Report: 23690 Report: 23669 Report: 23665 Report: 23661 Report: 23608

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Protect Your Lungs

Because toxic gases and VOCs were detected in this area (likely from the Ammonia), standard filters are not enough. We strongly recommend an Activated Carbon purifier to adsorb these fumes.

View Recommended Carbon Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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