EPA v. SILVERHAWK AVIATION SERVICES LLC

Case summary

Region 10 Settles with Silverhawk Aviation Services, LLC, for Clean Water Act (CWA) Violations (Caldwell, ID) On January 7, 2022, EPA Region 10 filed an industrial non-filer expedited settlement agreement resolving CWA NPDES violations by Silverhawk Aviation Services, LLC for their operation at the City of Caldwell's Industrial Airport in Caldwell, Idaho. EPA Region 10 determined Silverhawk Aviation Services, LLC required coverage under the EPA Stormwater Multi Sector General Permit (MSGP). EPA Region 10 made this determination following an October 2019, inspection conducted by Idaho Department of Environmental Quality (IDEQ) on behalf of EPA, which also resulted in EPA Region 10 issuing an administrative compliance order on consent with the City of Caldwell. EPA Region 10 alleged that Silverhawk Aviation Services, LLC violated the NPDES program of the CWA at the Airport by failing to obtain coverage under EPA?s MSGP. Silverhawk Aviation Services, LLC has obtained coverage under IDEQ's industrial stormwater permit and began implementing its requirements. The estimated cost of injunctive relief is $600. Actions taken by the facility should reduce discharged pollutants from industrial activities associated with airports into receiving waters. Respondent also agreed to pay a penalty of $2,500.

Defendants (1)

• SILVERHAWK AVIATION SERVICES LLCNamed in complaintNamed in settlement

Facilities (1)

• SILVERHAWK AVIATION SERVICES LLC

  4814 E LINDEN RD, CALDWELL, ID, 83606

  Registry ID: 110069346041

Statutes cited

• CWA 301 — NPDES Discharge without a Permit
• CWA 301/402 — NPDES Permit Violations

Enforcement conclusions (1)

• SILVERHAWK AVIATION SERVICES LLCentered 2022-01-07

  Primary law: CWA

  Federal penalty: $2,500

Timeline (5 milestones)

• 2021-07-07Enforcement Action Data Entered
• 2022-01-07Enforcement Action Closed
• 2022-01-07Final Order Issued
• 2022-01-07NPDES Closed
• 2022-01-07Complaint Filed/Proposed Order