LITTON ADVANCED SYS.
Parent Company: NORTHROP GRUMMAN CORP
5115 CALVERT RD., COLLEGE PARK, Maryland 20740
Pollution Risk
25Based on 2 TRI facilities in zip code 20740
Water Quality
8No violation data available
Air Quality
22County-level EPA AQS data for PRINCE GEORGE'S
Facility Information
Should You Be Concerned About LITTON ADVANCED SYS.?
LITTON ADVANCED SYS.is registered in the EPA's Toxic Release Inventory (TRI). This means the facility reports handling, releasing, or transferring toxic chemicals as part of its operations. The area's environmental safety score is just 18/100 — a concerning level that warrants attention from residents, particularly families with young children or individuals with respiratory conditions.
Drinking water quality is a concern in zip code 20740, scoring only 8/100. Consider testing your home water supply or using a certified filtration system.
This zip code has 2 total TRI facilities, which contributes to the area's pollution profile.
What you can do: Check your home's water quality with an annual test kit, monitor local air quality alerts, and review the full Maryland pollution report for broader context. NORTHROP GRUMMAN CORP operates this facility — check if they have a public environmental responsibility report.
Other TRI Facilities in 20740 (1)
Health Considerations for Residents Near LITTON ADVANCED SYS.
Living near a Toxic Release Inventory (TRI) facility in COLLEGE PARK, Maryland (20740) means potential exposure to industrial pollutants through air, water, and soil. While not every facility creates immediate health risks, long-term proximity warrants awareness and proactive steps.
Water Testing
Given the water quality score of 8/100 for zip code 20740, we recommend annual water testing for heavy metals, VOCs, and industrial contaminants — especially if you use well water. Testing kits are available through your county health department or certified labs.
Air Quality Monitoring
Air quality in this area scores 22/100 — below average. Monitor daily AQI (Air Quality Index) at airnow.gov, particularly on hot, stagnant days when ground-level pollutants concentrate. If you notice unusual odors or visible emissions from LITTON ADVANCED SYS., report them to Maryland's environmental agency.
When to Consult a Doctor
Speak with your physician if you experience persistent respiratory symptoms (chronic cough, wheezing, shortness of breath), unexplained headaches, skin irritation, or unusual fatigue — particularly if these worsen when you're at home. Mention your proximity to a TRI facility so they can order appropriate screening. Vulnerable populations — children, elderly, pregnant women, and those with asthma — should be especially vigilant.
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Data sources: EPA Toxic Release Inventory (TRI), EPA Safe Drinking Water Information System (SDWIS), EPA Air Quality System (AQS). Facility ID: 20740MCDVS5115C. Last updated: August 2026.