HITACHI SEMICONDUCTOR (AMERICA) INC

Parent Company: HITACHI AMERICA LTD INC

6431 LONGHORN DR, IRVING, Texas 75063

Area Score59/100ModerateModerate

Pollution Risk

25

Based on 2 TRI facilities in zip code 75063

Water Quality

100

42 violations recorded

Air Quality

51

County-level EPA AQS data for DALLAS

Facility Information

Full Address
6431 LONGHORN DR
City
IRVING
State
Texas
Zip Code
75063
County
DALLAS
EPA TRI ID
75063HTCHS6431L
Coordinates
32.8983°N, 96.9822°W
Parent Company
HITACHI AMERICA LTD INC

Water Quality in 75063

Total Violations

42

Health Violations

7

Contaminants Found

5

Water Safety Score

100/100

Contaminants Detected:

Code 7500ArsenicAntimonyCode 8000Gross Alpha

Should You Be Concerned About HITACHI SEMICONDUCTOR (AMERICA) INC?

HITACHI SEMICONDUCTOR (AMERICA) INCis 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 59/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.

Water quality in zip code 75063 is good (100/100), suggesting that despite the TRI facility, drinking water hasn't been significantly impacted.

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 Texas pollution report for broader context. HITACHI AMERICA LTD INC operates this facility — check if they have a public environmental responsibility report.

Health Considerations for Residents Near HITACHI SEMICONDUCTOR (AMERICA) INC

Living near a Toxic Release Inventory (TRI) facility in IRVING, Texas (75063) 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 75063 area. Testing kits are available through your county health department or certified labs.

Air Quality Monitoring

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 HITACHI SEMICONDUCTOR (AMERICA) INC, report them to Texas'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.

Data sources: EPA Toxic Release Inventory (TRI), EPA Safe Drinking Water Information System (SDWIS), EPA Air Quality System (AQS). Facility ID: 75063HTCHS6431L. Last updated: August 2026.