You posted a good link. I am going to quote from a part of it:
Dec 2004- (FAIR) examines the costs of education, health care and incarceration of illegal aliens, and concludes that the costs to Californians is $10.5 billion per year.snip
"California's addiction to 'cheap' illegal alien labor is bankrupting the state and posing enormous burdens on the state's shrinking middle class tax base," stated Dan Stein, President of FAIR.