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Facility profile

Marysville Hydrocarbons, Llc.

Violation Identified across 1 of the last 12 quarters in the imported ECHO record.

Violation Identified Chemicals TRI + Clean Air Act + RCRA 110070028928 St Clair County
Noncompliance quarters
1

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2026-03-02

Displayed as plain language instead of hidden in agency exports.

Trend
Watch

Reported on-site releases are higher in 2024 than in 2022.

Year Air Water Land Total
2022 14,085 lbs 0 lbs 0 lbs 14,085 lbs
2023 15,510 lbs 0 lbs 0 lbs 15,510 lbs
2024 16,179 lbs 0 lbs 0 lbs 16,179 lbs
Chemical breakdown

What this facility is reporting

  • air 8,594 lbs

    Acetaldehyde

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 4,013 lbs

    n-Hexane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 2,253 lbs

    Formaldehyde

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,319 lbs

    Acrolein

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Nitric acid

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

Enforcement layer

Why the ECHO-style detail matters

Violation Identified across 1 of the last 12 quarters in the imported ECHO record.

Violation Identified Last recorded inspection: 2026-03-02.