Arizona has filed a lawsuit to block a proposed Immigration and Customs Enforcement detention facility, citing concerns about chemical contamination at the planned site. The legal action represents part of broader opposition from state and local governments to federal plans for mass detention facilities.

The Department of Homeland Security has encountered resistance from multiple cities and states where the federal government intends to establish new detention centers. These facilities are part of expanded immigration enforcement operations under the current administration.

Separately, ICE has drawn scrutiny for planning detention facilities at environmentally compromised locations. At the England Airpark in Louisiana, a former military facility, officials have detected PFAS levels in groundwater exceeding 41 million parts per trillion. PFAS, known as "forever chemicals," are persistent toxic substances that can pose health risks.

The Louisiana facility is intended to house children and families as part of federal deportation programs. The site's history as a military installation has contributed to the environmental contamination issues now raising concerns among health and safety advocates.

The legal challenges highlight tensions between federal immigration enforcement priorities and state-level concerns about public health and environmental safety. Multiple jurisdictions are examining proposed detention sites for potential health hazards before facilities become operational.