From this:

With soaring housing costs, bad schools, horrendous traffic jams and a dearth of well-paying jobs, Southern California's once-golden lifestyle continues to dim, a scorecard released Thursday by the regional planning agency shows.

The seventh annual State of the Region report by the Southern California Association of Governments [a government agency -- LW] ranks the quality of life in the region as a D-plus potentially failing.

Housing and air quality worsened in 2003, while the grades for traffic, education, household income and public safety remained static. And while the number of jobs in the six-county region rose by 14,000, personal income for its 17.7 million residents stayed flat.

The report details a slate of interconnected problems plaguing Southern California...

As can be expected, illegal immigration is not one of those problems mentioned in the newspaper report. And, it doesn't appear to be mentioned in any of the other news reports on the study.

It makes a brief appearance or two in the report itself, but no conclusions are drawn between massive immigration and a lower quality of life:

Hence approximately 41 percent of the total growth in the region in 2003 was estimated to be from foreign immigration and 11 percent from domestic in-migration...