Lawmakers in Washington state are advancing a package of bills aimed at increasing financial pressure and regulatory oversight on a privately operated immigrant detention centre, marking the latest chapter in a long-running dispute over its presence.

The proposed measures include a targeted tax on the facility’s operations, enhanced inspection authority and potential civil fines for violations of state standards.

Supporters of the legislation argue that the bills are designed to ensure accountability, transparency and compliance with labour and health regulations.

The detention centre, operated under contract with federal immigration authorities, has been a focal point of controversy for years.

Previous legal battles have centred on wage practices and state regulatory authority, with courts weighing the balance between federal jurisdiction and state-level enforcement powers.

Backers of the new proposals contend that stronger state oversight is necessary to protect detainee welfare and uphold local labour laws.

They say the measures would clarify enforcement mechanisms and create additional reporting requirements for facility operators.

Opponents argue that the legislation risks further complicating federal-state relations and could face legal challenges on constitutional grounds.

They maintain that immigration detention falls under federal authority and caution against measures they view as punitive or politically motivated.

The bills are moving through committee stages in the state legislature, where amendments are still possible.

If enacted, they would likely prompt renewed legal scrutiny and could influence how other states approach similar facilities.

The debate reflects broader national tensions over immigration enforcement, private detention contracts and the role of states in regulating federally authorised operations.

Lawmakers have indicated that hearings and public testimony will continue as the proposals advance through the legislative process.