Concord, NH – American Refrigeration Company (ARC), a Massachusetts-based industrial refrigeration service, was sentenced in May 2011 after pleading guilty to a Clean Water Act violation stemming from a 2008 incident that crippled a New Hampshire wastewater treatment plant and contaminated the Merrimack River. The company’s negligence led to a “toxic shock” at the Suncook Wastewater Treatment Facility (SWTF), effectively shutting down its ability to properly treat sewage and resulting in the discharge of harmful pollutants into a vital waterway.
According to court documents, on January 24, 2008, an ARC technician servicing a refrigeration system in Pembroke, New Hampshire, improperly disposed of residual ammonia by draining it into a floor drain connected to the public sewer system. The technician knowingly bypassed established environmental protocols and failed to obtain any necessary permits before the discharge. This seemingly localized act triggered a cascade of environmental consequences.
The ammonia quickly overwhelmed the SWTF, causing a significant pH imbalance and decimating the organic biomass crucial for the sewage treatment process. This “toxic shock” rendered the plant unable to effectively filter pollutants, leading to an “ammonia pass-through” and the release of untreated wastewater containing high levels of suspended solids and biological oxygen demand into the Merrimack River. The SWTF required four days to fully recover normal operations.
Federal prosecutors highlighted the severity of the offense, emphasizing the potential harm to both the environment and public health. The EPA’s Criminal Investigation Division spearheaded the investigation, underscoring the agency’s commitment to holding companies accountable for environmental crimes. “This prosecution should send a message of deterrence to the regulated community that the EPA’s Criminal Investigation Division will not tolerate the type of criminal conduct that puts the American public and the environment at risk,” stated Michael Hubbard, Special Agent in Charge of the EPA’s Boston Office.
Key Facts
- Defendant: American Refrigeration Company (ARC)
- Location: Pembroke, New Hampshire
- Date of Incident: January 24, 2008
- Crime: Illegal discharge of ammonia into the sewer system, violating the Clean Water Act.
- Statute Violated: 33 U.S.C. 1319(c)(2)(B) – Knowingly violating the Clean Water Act.
- Penalty: 24 months probation and $40,000 in federal fines.
ARC ultimately pleaded guilty to one count of knowingly violating the Clean Water Act. The company faced a maximum corporate penalty of five years probation and a $500,000 fine. While the final sentencing was less severe, the case serves as a stark reminder of the potential repercussions of neglecting environmental regulations. The incident highlights the importance of proper handling and disposal of hazardous materials, even by technicians operating in the field, and the significant impact such negligence can have on critical infrastructure and natural resources. Assistant U.S. Attorney Bill Morse prosecuted the case.
GrimyTimes will continue to follow environmental crime cases and report on corporate accountability.
Source: EPA ECHO Enforcement Case Database
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