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Wayne County Airport Authority, Water Pollution, MI 2006

Detroit, MI – The Wayne County Airport Authority (WCAA), operator of Detroit Wayne County Metropolitan Airport, was sentenced this week for a negligent violation of the Clean Water Act (CWA) stemming from an unreported discharge of pollutants in 2001. The incident, which triggered a fish kill in a local waterway, went undetected for two days before being discovered during a state investigation.

According to court documents, the issue originated with Pond 3W, a holding area for storm water runoff, specifically containing aircraft deicing fluids – primarily propylene glycol. Normally, water from this pond is directed to a sanitary sewer system for treatment. However, in April 2001, a valve became clogged, prompting airport personnel to bypass the system by opening an outfall valve directly to the Frank and Poet Drain. An estimated 25 million gallons of turbid, odorous water were released, contaminating the drain which feeds into the Detroit River.

Crucially, the WCAA failed to report this discharge to the Michigan Department of Environmental Quality, a direct violation of their National Pollutant Discharge Elimination System (NPDES) permit. The subsequent fish kill near the mouth of the drain alerted authorities, leading to an investigation that revealed the unreported release. Investigators determined the discharge contained elevated levels of pollutants from the deicing fluid, posing a threat to aquatic life and potentially impacting the Detroit River ecosystem.

Legal Ramifications & Sentencing

On May 30, 2006, the WCAA pled guilty to a misdemeanor violation of the Clean Water Act, specifically 33 U.S.C. §1319(c)(1)(A), which addresses negligent violations of the act. The sentencing, handed down on June 8, 2006, included 48 months of probation. A key condition of this probation is the completion of an $8.5 million “Force Main” project. This project will establish a direct, pressurized pipeline connecting Pond 3W to the Detroit Water and Sewerage Department’s treatment plant, preventing future bypasses.

In addition to the infrastructure improvements, the WCAA was ordered to pay a $75,000 fine. Furthermore, a $25,000 community service payment was directed to Friends of the Detroit River, a non-profit dedicated to the conservation and restoration of the Detroit River watershed. A special assessment fee of $125 was also levied. Prosecutors emphasized the importance of reporting such incidents promptly to mitigate environmental damage and ensure public safety.

Key Facts

  • Defendant: Wayne County Airport Authority
  • Crime: Negligent violation of the Clean Water Act
  • Location: Detroit, Michigan
  • Year: 2006 (Incident occurred in 2001)
  • Pollutant: Aircraft deicing fluid (propylene glycol)
  • Volume of Discharge: Approximately 25 million gallons
  • Statute Violated: 33 U.S.C. §1319(c)(1)(A)
  • Penalties: 48 months probation, $8.5 million infrastructure project, $75,000 fine, $25,000 community service, $125 assessment fee

The case highlights the critical need for robust environmental compliance procedures at large facilities, particularly those dealing with potentially hazardous materials. The delay in reporting the discharge significantly hampered the response effort and contributed to the observed ecological damage. Authorities hope the mandated improvements will prevent similar incidents in the future and protect the valuable resources of the Detroit River.


Source: EPA ECHO Enforcement Case Database

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