Zip Code 73536

📍 Duncan, OK

Toxic Air Emissions Report (2024)

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

754.00 lbs

State Score

/ 100

National Score

/ 100

In 2024, industrial facilities in Duncan, OK released over 754.00 lbs of pollutants. The primary source was HALLIBURTON MANUFACTURING & LEASING CO LLC, which emitted Ethylene glycol into the local air. Air quality in 73536 is relatively consistent with regional baselines.

Top Polluting Facilities

HALLIBURTON MANUFACTURING & LEASING CO LLC

Owned by: HALLIBURTON ENERGY SERVICES INC

Ethylene glycol released to air

411.00 lbs

LBS
HALLIBURTON MANUFACTURING & LEASING CO LLC

Owned by: HALLIBURTON ENERGY SERVICES INC

Manganese released to air

154.00 lbs

LBS
HALLIBURTON MANUFACTURING & LEASING CO LLC Cancer Risk

Owned by: HALLIBURTON ENERGY SERVICES INC

Nickel released to air

97 lbs

LBS
HALLIBURTON MANUFACTURING & LEASING CO LLC

Owned by: HALLIBURTON ENERGY SERVICES INC

Chromium released to air

92 lbs

LBS

Nearby Pollution Sources (< 20 miles)

Velma, OK (73491) 10.6 mi away

Heavy Industrial Activity

10,662.00 lbs

Annual Emissions
Duncan, OK (73533) 5.2 mi away

Heavy Industrial Activity

2,966.00 lbs

Annual Emissions
Marlow, OK (73055) 11.7 mi away

Heavy Industrial Activity

1,186.00 lbs

Annual Emissions

Check Nearby Zip Codes

Report: 73533

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Protect Your Lungs

The primary pollutants detected here are likely heavy particulates. To protect your lungs, ensure you use a True HEPA (H13) filter, which captures 99.97% of airborne particles like Chromium.

View Recommended HEPA Filters →

Chemical Breakdown

Top 5 Pollutants by Weight

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