Wastewater Permitting

The Central Coast Water Board regulates waste discharges to protect surface water and groundwater using Waste Discharge Requirements permits (WDRs) and National Pollutant Discharge Elimination System (NPDES) permits.

  Announcements

  Permit Application to Discharge Less than 100,000 GPD of Domestic Wastewater (Central Coast Region)

  • Permit Application
  • Application questions (for reference only, updated on 1/10/2022). It is strongly recommended to review the application questions ahead of time.
  • Instructions to apply
    • This permit application must be complete in one sitting (the application cannot be saved) and will take about 30-45 minutes to complete if you have reviewed the questions ahead of time. It is strongly recommended to review the application questions ahead of time.
    • Applicants must begin at the top of this form and complete every question for the form to be considered complete.

  Payments for WDR Application Fee

  1. Make a check, money order, or cashier check payable to the “State Water Resources Control Board.”
  2. Write “WDR App. Fee” on the check, money order, or cashier check.
  3. Attach a copy of the Form 200 or Notice of Intent (NOI) cover page. This will ensure the check is logged for the correct facility.
  4. Payments should be sent to:

Central Coast Regional Water Quality Control Board
Attention: WDR Program (include staff person, if known)
895 Aerovista Suite 101
San Luis Obispo, CA 93401

Note: Your application fee is also your first annual fee.

  Spill and Storm Preparedness Information and Resources

Be ready! Be prepared! In preparation for the upcoming storm season, Central Coast Water Board staff have summarized spill and storm related reporting requirements for Wastewater Treatment Facilities and Sanitary Sewer Collection Systems.

Mutual Aid
CalWARN – Register ASAP The mission of the California Water/Wastewater Agency Response Network (CalWARN) is to support and promote statewide emergency preparedness, disaster response, and mutual assistance processes for public and private water and wastewater utilities. The new CalWARN Web Portal expands Signatory Utility’s (or participating entities) ability to achieve agency, regional and state preparedness by providing new tools and proven practices that can enhance readiness while providing daily value to your organization and customers.

Disaster Mitigation Funding opportunities available:

  GeoTracker

GeoTracker Announcement: All domestic wastewater, industrial wastewater, winery, and fertilizer/pesticide WDR facilities must report to GeoTracker per the following monitoring plan amendment letters:

GeoTracker is the State Board and Regional Water Board’s Internet-accessible database system used to track regulatory compliance data. GeoTracker contains records for the following sites.

All information and records uploaded to GeoTracker are available to the public by accessing the Public GeoTracker Page. For dischargers required to submit Self-Monitoring Reports (SMRs), a login must be created through the GeoTracker Electronic Submittal of Information Page.

For questions pertaining to GeoTracker access and usage, dischargers can consult the State Water Board’s FAQ or contact the GeoTracker HelpDesk at geotracker@waterboards.ca.gov or (866)-480-1028.

Getting Started Links for Responsible Parties (Dischargers):

  Contact Us

Contact WDR staff:

Contact NPDES staff (discharge to surface water):

Email Subscription List

Subscribe directly to the Region 3 Wastewater Permitting Email List to receive notifications and the latest updates.

Check your email account for a confirmation email to complete your subscription.

  Subscribe to our other email lists. See the "General Interestsection.