KNIFE RIVER PLANT #5

Parent Company: MDU RESOURCES INC

PORTABLE PLANT VARIO US, SIOUX CITY, Nebraska 51105

Area Score29/100GoodGood

Pollution Risk

56

Based on 7 TRI facilities in zip code 51105

Water Quality

8

No violation data available

Air Quality

22

County-level EPA AQS data for ANTELOPE

Facility Information

Full Address
PORTABLE PLANT VARIO US
City
SIOUX CITY
State
Nebraska
Zip Code
51105
County
ANTELOPE
EPA TRI ID
6817WKNFRV87223
Parent Company
MDU RESOURCES INC

Should You Be Concerned About KNIFE RIVER PLANT #5?

KNIFE RIVER PLANT #5is 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 just 29/100 — a concerning level that warrants attention from residents, particularly families with young children or individuals with respiratory conditions.

Drinking water quality is a concern in zip code 51105, scoring only 8/100. Consider testing your home water supply or using a certified filtration system.

This zip code has 7 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 Nebraska pollution report for broader context. MDU RESOURCES INC operates this facility — check if they have a public environmental responsibility report.

Health Considerations for Residents Near KNIFE RIVER PLANT #5

Living near a Toxic Release Inventory (TRI) facility in SIOUX CITY, Nebraska (51105) 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 51105, 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

Air quality in this area scores 22/100 — 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 KNIFE RIVER PLANT #5, report them to Nebraska'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: 6817WKNFRV87223. Last updated: August 2026.