PECOS, Texas (AP) A pair of destructive prison riots in the span of two months at a county-owned but privately managed West Texas prison have cost more than $1.1 million in repairs, according to Reeves County records.

The Reeves County Commission unanimously approved more than $948,000 in repair bills from the riots during a regular meeting Monday and previously OK'd about $320,000 in repair costs.

Reeves County Judge Sam Contreras said it may be some time before officials know the total cost of the riots. The first incident was sparked by an inmate's death in December, and the second incident erupted Jan. 31. But insurance officials have estimated its repairs could exceed $20 million, Contreras said.

"They said we won't know until all the bids come in," Contreras said Wednesday.

In the latest incident, which relatives of inmates said was sparked by poor medical care and other conditions inside the sprawling prison complex, inmates caused widespread damages, even setting fire to one building.

Contreras said two recreation buildings suffered substantial damage in the second riot and one may be demolished.

The Reeves County Detention Center is owned by the county, but Boca Raton, Fla.-based GEO Group Inc., manages the facility that houses about 3,000 federal criminal immigrant inmates.

The American Civil Liberties Union has called for a federal probe of the compound.

Copyright 2009 The Associated Press.