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Source Control Program

sq-source-controlEWA maintains a Source Control Program as required by the Clean Water Act. The purpose of this program is to reduce pollutants coming from industry and other sources in the community. Controlling pollution at the source protects the collection system and treatment plant, helps to guarantee compliance with EWA’s ocean discharge permit, and ensures that solids and treated water can be recycled.

Regulated industries are issued wastewater discharge permits that limit the amount of pollutants they can discharge.  If they cannot meet the discharge standards, they are required to install pretreatment equipment to reduce the level of pollutants.  Source Control Program staff conduct at least annual inspections of each industry and quarterly sampling of their effluent to determine if they are in compliance with their permit.   Enforcement actions are taken in response to noncompliance and may include: issuing a Notice of Violation with fines; requiring the installation of additional pretreatment equipment; increasing the frequency of monitoring; suspending an industry’s discharge permit; and terminating sewer service.

The San Diego Regional Water Quality Control Board conducts annual audits of EWA’s Source Control Program.  Audit findings state that EWA’s Program is “consistent with USEPA regulations and appears to be an effective program.”  This is further demonstrated by the fact that there were no violations of EWA’s ocean discharge permit that were caused by industrial dischargers.

The following Program documents may be accessed by clicking on the links below: 


sq-bottlesSupporting Documents and Report


Class I/II/III Permits


Best Management Practice (BMP) Permits and Requirements

As an environmental leader, EWA provides reliable and fiscally responsible water resource recovery services to the communities of Northwest San Diego County.

Together, we are a model of excellence and innovation.

Contact Us

Encina Wastewater Authority
6200 Avenida Encinas
Carlsbad, CA 92011

  (760) 438-3941
  inquiry@encinajpa.com
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Recognition

  • CWEA San Diego Section - Plant of the Year
  • EPA Green Power Partner
  • NACWA Peak Performance Award
  • Government Financial Officers
         Association CAFR Award

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