Environmental Health Division

Advisory:  Visit our new Fire Recovery Information Page for important information related to fire damages and water systems, wells, sewer and septic systems.

For wildfire-related questions regarding Debris Cleanup Options, Well Water Safety or wastewater system impacts, please review the information provided on this site, visit Fire Debris Information page, call (707) 299-1350, or email us at [email protected].

Please visit the virtual Local Assistance Center at ReadyNapaCounty.org for additional information and resources, such as public utilities status, assistance programs, and other services related to the recent wildfires.

Due to COVID-19 social distancing protocols, many services are now being offered electronically. Please use the informational links provided or give us a call if you have questions about Consumer Protection, Well and Onsite Wastewater Treatment, Certified Unified Program Agency (CUPA)/Pollution Prevention, and Solid Waste Programs and Services.


  1. Divisions
  2. Services & Programs
  3. Other Information

Consumer Protection

  • Employee Housing
  • Mobile Home Parks
  • Retail Food Program
  • Public Water Systems
  • Recreational Health

Consumer Protection

Well and Onsite Wastewater Treatment

  • Wastewater Treatment and Disposal
  • Water Wells
  • Wildfire Water Well Safety Information
  • Building Clearances
  • Sewage Complaints
  • Alternative Sewage Treatment System (ASTS) Monitoring
  • Winery Pond Monitoring

Well and Onsite Wastewater System

CUPA/Pollution Prevention

  • Hazardous Waste Generator
  • Underground Storage Tanks
  • Above ground Storage Tanks
  • California Accidental Release Prevention Program
  • Hazardous Materials Business Plan
  • Abandoned Vehicle Abatement
  • Complaint Response
  • Methamphetamine Contaminated Property Cleanup Act of 2005
  • Napa County Area Plan
  • Noise Control
  • Safe Drinking Water and Toxic Enforcement Act of 1986
  • Stormwater Management and Control
  • Technical Reference for Emergency Response

CUPA/Pollution Prevention

Solid Waste

  • Solid Waste Inspection and Permitting
  • Body Art/Tattoo
  • Medical Waste
  • Waste Tire Enforcement
  • Garbage Hauler Vehicles
  • County Solid Waste and Recycling Program Management
  • Closed, Illegal, Abandoned (CIA) Solid Waste Sites

Solid Waste