Back to today’s briefing

Story perspectives

EPA Flags Wisconsin Refinery for 27 Air Violations

9/30/2025

33 7 Full Breakdown

Summary

Story summary

Wisconsin regulators allege Superior Refining Company has 27+ air pollution violations since late 2023.
Cenovus Energy, owner since 2021, received two violation notices from Department of Natural Resources in 2023.
The Environmental Protection Agency (EPA) lists refinery with a 'high priority violation' under Clean Air Act.
Locals seek air monitoring; Cenovus says violations are short-term post-rebuild, cooperating with regulators.

History

Historical Context

The Clean Air Act was enacted in 1970, establishing federal regulations to combat air pollution in the United States. By 1990, these regulations led to a 30% reduction in pollutants. However, companies like the Superior Refining Company continue to face violations, with over 27 reported, underscoring ongoing challenges in environmental compliance and the need for stricter enforcement to protect public health.

1 of 2

Story summary

Wisconsin regulators allege Superior Refining Company has 27+ air pollution violations since late 2023.
Cenovus Energy, owner since 2021, received two violation notices from Department of Natural Resources in 2023.
The Environmental Protection Agency (EPA) lists refinery with a 'high priority violation' under Clean Air Act.
Locals seek air monitoring; Cenovus says violations are short-term post-rebuild, cooperating with regulators.

1 / 2