THOMPSON MANUFACTURING CO

Parent Company: JENNISON ENTERPRISES INC

4832 CHINO AVE, CHINO, California 91710

Area Score63/100PoorPoor

Pollution Risk

100

Based on 30 TRI facilities in zip code 91710

Water Quality

8

No violation data available

Air Quality

85

County-level EPA AQS data for SAN BERNARDINO

Facility Information

Full Address
4832 CHINO AVE
City
CHINO
State
California
Zip Code
91710
County
SAN BERNARDINO
EPA TRI ID
91710THMPS4832C
Coordinates
34.0111°N, 117.6972°W
Parent Company
JENNISON ENTERPRISES INC

Should You Be Concerned About THOMPSON MANUFACTURING CO?

THOMPSON MANUFACTURING COis 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 63/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.

Drinking water quality is a concern in zip code 91710, scoring only 8/100. Consider testing your home water supply or using a certified filtration system.

This zip code has 30 total TRI facilities, which is a high concentration that compounds environmental health risks — each facility contributes pollutants that may interact in ways individual facility data doesn't capture. 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. JENNISON ENTERPRISES INC operates this facility — check if they have a public environmental responsibility report.

Health Considerations for Residents Near THOMPSON MANUFACTURING CO

Living near a Toxic Release Inventory (TRI) facility in CHINO, California (91710) 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 8/100 for zip code 91710, 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 THOMPSON MANUFACTURING CO, 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.

Data sources: EPA Toxic Release Inventory (TRI), EPA Safe Drinking Water Information System (SDWIS), EPA Air Quality System (AQS). Facility ID: 91710THMPS4832C. Last updated: August 2026.