FLINT HILLS RESOURCES MARYSVILLE LLC
Parent Company: KOCH INDUSTRIES INC
2701 S RANGE RD, MARYSVILLE, Michigan 48040
Pollution Risk
71Based on 10 TRI facilities in zip code 48040
Water Quality
7419 violations recorded
Air Quality
34County-level EPA AQS data for ST. CLAIR
Facility Information
Water Quality in 48040
Total Violations
19
Health Violations
2
Contaminants Found
6
Water Safety Score
74/100
Contaminants Detected:
Should You Be Concerned About FLINT HILLS RESOURCES MARYSVILLE LLC?
FLINT HILLS RESOURCES MARYSVILLE LLCis 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 61/100 — moderate, suggesting some cumulative environmental burden from industrial activity in the area.
Water quality in zip code 48040 is good (74/100), suggesting that despite the TRI facility, drinking water hasn't been significantly impacted.
This zip code has 10 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 Michigan pollution report for broader context. KOCH INDUSTRIES INC operates this facility — check if they have a public environmental responsibility report.
Other TRI Facilities in 48040 (9)
DETROIT EDISON CO MARYSVILLE POWER PLANT
301 GRATIOT AVE
DTE ENERGY CO
MUELLER IMPACTS CO
2409 WILLS ST
MUELLER INDUSTRIES INC
INTERTAPE POLYMER GROUP
317 KENDALL AVE
SCHEFENACKER VISION SYS USA INC
1855 BUSHA HWY
NA
SMR-AUTOMOTIVE SYSTEMS USA INC.
1875 BUSHA HWY
NA
EVANS-ST CLAIR INC
2541 MILLS ST
EVANS INDUSTRIES INC
EUGENE WELDING COMPANY
302 CARLETON AVE
HEARTLAND STEEL PRODUCTS LLC
MARYSVILLE ETHANOL LLC
2512 BUSHA HWY
NA
ZF AXLE DRIVES MARYSVILLE
2900 BUSHA HWY
ZF N.A. INC
Health Considerations for Residents Near FLINT HILLS RESOURCES MARYSVILLE LLC
Living near a Toxic Release Inventory (TRI) facility in MARYSVILLE, Michigan (48040) 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 48040 area. Testing kits are available through your county health department or certified labs.
Air Quality Monitoring
Air quality in this area scores 34/100 — 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 FLINT HILLS RESOURCES MARYSVILLE LLC, report them to Michigan'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: 48040GNSSP2701R. Last updated: August 2026.