DENSO WIRELESS SYSTEMS AMERICA INC.
Parent Company: DENORA NA
3250 BUSINESS PARK DR, VISTA, California 92081
Pollution Risk
42Based on 5 TRI facilities in zip code 92081
Water Quality
42135 violations recorded
Air Quality
69County-level EPA AQS data for SAN DIEGO
Facility Information
- Full Address
- 3250 BUSINESS PARK DR
- City
- VISTA
- State
- California
- Zip Code
- 92081
- County
- SAN DIEGO
- EPA TRI ID
- 92083DNSWR3250B
- Parent Company
- DENORA NA
Water Quality in 92081
Total Violations
135
Health Violations
0
Contaminants Found
3
Water Safety Score
42/100
Contaminants Detected:
Should You Be Concerned About DENSO WIRELESS SYSTEMS AMERICA INC.?
DENSO WIRELESS SYSTEMS AMERICA 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 50/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.
Drinking water quality is a concern in zip code 92081, scoring only 42/100. Consider testing your home water supply or using a certified filtration system.
This zip code has 5 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 California pollution report for broader context. DENORA NA operates this facility — check if they have a public environmental responsibility report.
Other TRI Facilities in 92081 (4)
Health Considerations for Residents Near DENSO WIRELESS SYSTEMS AMERICA INC.
Living near a Toxic Release Inventory (TRI) facility in VISTA, California (92081) 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 42/100 for zip code 92081, 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 DENSO WIRELESS SYSTEMS AMERICA INC., report them to California'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: 92083DNSWR3250B. Last updated: August 2026.