Division Articles

5/1/2026

2026 Annual Mussel Quarantine Order by the California Department of Public Health (CDPH)

A quarantine is hereby established on all species of mussels taken for human consumption by recreational sport harvesters from the ocean shore of California. The quarantine area extends from the Oregon border south to the Mexican border, including all bays, inlets, and harbors.

4/27/2026

Notice of Public Comment Period for the Morro Bay Household Hazardous Waste Collection Facility Closure

The County of San Luis Obispo Certified Unified Program Agency (CUPA) approved the closure plan for Morro Bay Permitted Household Hazardous Waste Collection Facility (PHHWCF), submitted by the operator Integrated Waste Management Authority (IWMA).

4/21/2026

Avoid Ocean Water Contact During and After Rainstorms

The County of San Luis Obispo Public Health Department advises the public to avoid ocean water contact during and at least three days following significant rainstorms.

2/6/2026

Interactive Mapping Tools

Environmental Health leverages GIS Apps (geographic information system applications) such as interactive maps and data dashboards to provide timely program-focused data to the public and assist in the permit application process.

12/1/2025

Mosquito Information

Guidance documents and resourceful links on preventative measures to take to prevent the spread of vector borne disease.

12/1/2025

Recent Changes to Cross-Connection Control

A cross-connection is an interconnection between a potable water supply and a non-potable source via any actual or potential connection or structural arrangement between a public water system (PWS) and any source or distribution system containing liquid, gas, or other substances not from an approved water supply.