NATIONAL SINTERED ALLOYS INC.
Parent Company: NA
HERITAGE INDUSTRIAL PARK, CLINTON, Connecticut 06413
Pollution Risk
34Based on 4 TRI facilities in zip code 06413
Water Quality
100190 violations recorded
Air Quality
20County-level EPA AQS data for MIDDLESEX
Facility Information
- Full Address
- HERITAGE INDUSTRIAL PARK
- City
- CLINTON
- State
- Connecticut
- Zip Code
- 06413
- County
- MIDDLESEX
- EPA TRI ID
- 06443NTNLSHERIT
- Coordinates
- 41.2778°N, 72.5014°W
- Parent Company
- NA
Water Quality in 06413
Total Violations
190
Health Violations
11
Contaminants Found
15
Water Safety Score
100/100
Contaminants Detected:
Should You Be Concerned About NATIONAL SINTERED ALLOYS INC.?
NATIONAL SINTERED ALLOYS INC.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 53/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.
Water quality in zip code 06413 is good (100/100), suggesting that despite the TRI facility, drinking water hasn't been significantly impacted.
This zip code has 4 total TRI facilities, which contributes to the area's pollution profile. Areas with multiple TRI sites tend to have higher rates of respiratory issues and environmental sensitivity, according to EPA research.
What you can do: Check your home's water quality with an annual test kit, monitor local air quality alerts, and review the full Connecticut pollution report for broader context. NA operates this facility — check if they have a public environmental responsibility report.
Other TRI Facilities in 06413 (3)
Health Considerations for Residents Near NATIONAL SINTERED ALLOYS INC.
Living near a Toxic Release Inventory (TRI) facility in CLINTON, Connecticut (06413) 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 06413 area. Testing kits are available through your county health department or certified labs.
Air Quality Monitoring
Air quality in this area scores 20/100 — 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 NATIONAL SINTERED ALLOYS INC., report them to Connecticut'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: 06443NTNLSHERIT. Last updated: August 2026.