THOMAS MANUFACTURING CORP
Parent Company: NA
500 DAIRY RD, PARKTON, Maryland 21120
Pollution Risk
18Based on 1 TRI facility in zip code 21120
Water Quality
9642 violations recorded
Air Quality
22County-level EPA AQS data for BALTIMORE
Facility Information
Water Quality in 21120
Total Violations
42
Health Violations
17
Contaminants Found
4
Water Safety Score
96/100
Contaminants Detected:
Should You Be Concerned About THOMAS MANUFACTURING CORP?
THOMAS MANUFACTURING CORPis 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 46/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.
Water quality in zip code 21120 is good (96/100), suggesting that despite the TRI facility, drinking water hasn't been significantly impacted.
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. NA operates this facility — check if they have a public environmental responsibility report.
Health Considerations for Residents Near THOMAS MANUFACTURING CORP
Living near a Toxic Release Inventory (TRI) facility in PARKTON, Maryland (21120) 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
Even with acceptable municipal water scores, homes near industrial sites should test annually for contaminants that may leach through groundwater. This is especially important for homes built before 1990 or those on well water in the 21120 area. 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 THOMAS MANUFACTURING CORP, 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: 21120THMSM500DA. Last updated: August 2026.