ONSEMI
Parent Company: SEMICONDUCTOR COMPONENTS INDUSTRIES LLC
23400 NE GLISAN ST, GRESHAM, Oregon 97030
Pollution Risk
25Based on 2 TRI facilities in zip code 97030
Water Quality
5054 violations recorded
Air Quality
50County-level EPA AQS data for MULTNOMAH
Facility Information
Water Quality in 97030
Total Violations
54
Health Violations
0
Contaminants Found
6
Water Safety Score
50/100
Contaminants Detected:
Should You Be Concerned About ONSEMI?
ONSEMIis 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 41/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.
Residents in zip code 97030 should be aware of potential environmental exposure from industrial operations.
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 Oregon pollution report for broader context. SEMICONDUCTOR COMPONENTS INDUSTRIES LLC operates this facility — check if they have a public environmental responsibility report.
Other TRI Facilities in 97030 (1)
Health Considerations for Residents Near ONSEMI
Living near a Toxic Release Inventory (TRI) facility in GRESHAM, Oregon (97030) 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 50/100 for zip code 97030, 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
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 ONSEMI, report them to Oregon'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.
Explore More
Data sources: EPA Toxic Release Inventory (TRI), EPA Safe Drinking Water Information System (SDWIS), EPA Air Quality System (AQS). Facility ID: 97030LSLGC23400. Last updated: August 2026.