As questions continue over whether President Donald Trump can implement a federal funding freeze, a new report from Santa Clara County estimates that roughly $3.6 billion, or nearly 30%, of the county’s current budget comes from the feds.

San Francisco and Santa Clara County are suing the Trump administration for threatening to withhold federal funding from local jurisdictions with sanctuary policies that protect undocumented residents from deportation.

Santa Clara County is suing over a dozen companies for exposing residents to the toxic “Forever Chemicals.” Lawyers claim the companies have sparked an environmental and health crisis, after the chemicals were detected in local water supplies.