Colorado sues to block GEO Group's planned ICE detention centre in Hudson
The state's attorney general asked a federal court to void the contract and halt work on a former prison that the company would reopen for immigration detention.
Assembled by Claude from 7 sources at 7 outlets · Tuesday, September 29, 2026, Evening edition, 5:22 PM EDT · no human byline
What happened
Colorado Attorney General Phil Weiser filed suit on Tuesday in federal district court to stop a planned immigration detention centre in Hudson, Colorado bizwest.comcoloradonewsline.com. The suit names the Department of Homeland Security and Immigration and Customs Enforcement, which have contracted with The GEO Group to renovate and operate the former Hudson facility coag.gov.
GEO Group has signed a multiyear contract with the Trump administration to reopen the shuttered prison denverpost.com. DHS announced plans over the summer to contract with the company to renovate and run the former state prison courthousenews.com.
The lawsuit says DHS and ICE skipped a required environmental review before contracting with GEO Group to reopen the site 9news.com. The state also alleges that the agencies violated federal administrative procedure in awarding the work coloradonewsline.com. Coverage framed the filing as resting on environmental grounds courthousenews.com.
The facility would hold about 1,200 beds 9news.comcoloradopolitics.com. It is owned by GEO Group and operated as a private prison until it closed in 2013 coloradopolitics.com.
Why it matters to investors
This is a state attorney general asking a court to cancel a signed federal contract rather than to regulate around it. For private detention operators, the expansion pipeline depends on converting idle facilities into contracted capacity, and a 1,200-bed site is a meaningful unit of that pipeline coloradopolitics.com.
The legal theory matters as much as the outcome. A challenge based on a skipped environmental review 9news.com is procedural: it can delay a project without settling whether the facility may open at all, and a re-run review is a slower path rather than a closed one.
The Hudson site has been out of use since 2013 coloradopolitics.com, so the economics of the contract rest on renovation work that the state is asking the court to stop coag.gov.
There is also a customer-concentration point. The contract runs with the federal government, so the counterparty risk here is not commercial failure but a court order or a policy reversal, and this suit tests the first of those coag.govdenverpost.com.
What to watch
The case turns on process rather than on the merits of detention policy. Colorado's argument is that the agencies moved without completing steps the law requires before awarding and beginning the work 9news.comcoloradonewsline.com, which is why the remedy it seeks is cancellation of the contract and a stop to construction bizwest.com.
Watch whether the court grants interim relief halting work while the case proceeds, which is what the state has asked for bizwest.com. That, rather than a final ruling, would determine the near-term schedule.
Watch also whether other states with similar conversions pending adopt the same environmental-review argument courthousenews.com.
Sources
- coloradonewsline.com: Colorado Attorney General Phil Weiser sues to stop ICE detention center in Hudson (2026-09-29)
- denverpost.com: Colorado sues Trump administration to block new ICE detention center - The Denver Post (2026-09-29)
- courthousenews.com: Citing environmental concerns, Colorado sues DHS to block new immigration detention facility (2026-09-29)
- coloradopolitics.com: Weiser sues DHS, ICE to stop immigration center in Hudson - Colorado Politics (2026-09-29)
- 9news.com: Colorado sues to halt planned ICE detention facility in Hudson | 9news.com (2026-09-29)
- coag.gov: Attorney General Phil Weiser sues to halt new immigrant detention camp in Hudson (2026-09-29)
- bizwest.com: Weiser sues to block ICE detention facility in Hudson - BizWest (2026-09-29)