Zip Code 11777
📍 Port Jefferson, NY
Toxic Air Emissions Report (2024)
Data Source: EPA TRI (2024) • Updated Nov 2025
21,467.92 lbs
State Score
14
/ 100
National Score
27
/ 100
In 2024, industrial facilities in Port Jefferson, NY released over 21,467.92 lbs of pollutants. The primary source was NATIONAL GRID PORT JEFFERSON POWER STATION, which emitted large quantities of Ammonia into the local air. Residents of 11777 face significantly higher exposure risks than the national average.
Top Polluting Facilities
- NATIONAL GRID PORT JEFFERSON POWER STATIONOwned by: NATIONAL GRID USAAmmonia released to air21,465.70 lbsLBS
- NATIONAL GRID PORT JEFFERSON POWER STATION Cancer RiskOwned by: NATIONAL GRID USAPolycyclic aromatic compounds released to air2.22 lbsLBS
- NATIONAL GRID PORT JEFFERSON POWER STATIONOwned by: NATIONAL GRID USABenzo[g,h,i]perylene released to air0.000085 lbsLBS
Nearby Pollution Sources (< 20 miles)
- Northport, NY (11768) 14.4 mi awayHeavy Industrial Activity139,656.40 lbsAnnual Emissions
- Stratford, CT (06615) 16.4 mi awayHeavy Industrial Activity22,652.70 lbsAnnual Emissions
- Hauppauge, NY (11788) 11.0 mi awayHeavy Industrial Activity17,216.10 lbsAnnual Emissions
Check Nearby Zip Codes
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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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