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Hazardous Materials Ordinance Changes

Environmental Health Services

Divisions / Environmental Health Services / Permits & Business Services / Hazardous Materials Program/Countywide Certified Unified Program Agency (CUPA) / Hazardous Materials Ordinance Changes

San Mateo County Board of Supervisors approved the proposed changes to County Ordinance 4.92, which became effective August 10, 2018.

The purpose of the change was to remove outdated requirements, align with existing State regulations and provide clarification where needed.

Questions or concerns about the revisions can be submitted in writing to mterrell@smcgov.org.

Ordinances can be found in the resource library below.

Revision Highlights:

  1. Expands 4.92 to include all hazardous materials/waste programs overseen by Environmental Health Services to eliminate the need for separate ordinances.
  2. Formalizes the requirement to obtain and maintain a CUPA permit.
  3. Removes the requirement that UST components always be disposed of as hazardous waste upon removal.
  4. Formalizes CUPA authority to inspect unannounced during normal business hours and charge for after hours inspections (after 6 PM).
  5. Establishes a civil and administrative enforcement structure for ordinance violations.

Resource Library