Pending Enforcement Liabilities & Penalties

This web page provides a summary of enforcement cases that are pending action by the San Francisco Bay Water Board to assess an administrative civil liability or a mandatory minimum penalty. To access documents associated with each case go to Enforcement Case Documents or click on the DISCHARGER/RESPONSIBLE PARTY

For more information on our enforcement procedures and process, go to our Enforcement program web page.

Tentative Cease and Desist Orders

A cease and desist order is being considered for the Stevens Creek Quarry, Inc., Cupertino Quarry in the City of Cupertino, Santa Clara County. The cease and desist order would require actions to address foreseeable non-compliance with the draft NPDES permit also being considered for discharges from the Cupertino Quarry. To access the draft permit and cease and desist order, go to Tentative Orders.

Current Administrative Civil Liability Cases

Discharger or Responsible Party: Stuart and Eric Depper
Alleged Violation: Failure to submit technical reports.
Proposed Penalty: $88,000
Current Status: An Administrative Civil Liability Complaint and a Site Cleanup Requirement have been issued; Remediation of the site is in progress and there will be a future opportunity to comment on a settlement or attend a public hearing regarding this case.

Discharger or Responsible Party: Lehigh Southwest Cement Company
Alleged Violation: Unauthorized Chlorinated Water Discharges
Proposed Penalty: 60,000
Current Status: Administrative Civil Liability Order No. R2-2021-1021 has been issued.

Current Mandatory Minimum Penalty Cases

This is a notice of opportunity to comment on a proposed settlement between the San Francisco Bay Regional Water Board and Castro Valley Marketplace LLC to pay a statutory mandated minimum penalty of $18,000 for discharge limit violations. The violations occurred at Castro Valley Marketplace, located at 3295 Castro Valley Boulevard, Castro Valley, in Alameda County. The public comment period is open until 5:00 p.m. on July 26, 2021. Contact Marcos De la Cruz at

Current Expedited Payment Program for Late Reports

  • There are currently no pending cases