Pretreatment

Rushing WaterWastewater Source Control Program

The Western Riverside County Regional Wastewater Authority's (WRCRWA) Wastewater Source Control Program is a pollution control program federally mandated under the Clean Water Act to regulate the discharges of industrial and commercial facilities to the sanitary sewer system.

Goals of Program

  • Enforce applicable EPA wastewater quality standards
  • Improve the feasibility of recycling and reclaiming the municipal and industrial wastewaters and biosolids
  • Prevent the introduction of pollutants into those plants that will pass through the treatment works and be incompatible with the environment
  • Prevent the introduction of pollutants into wastewater treatment plants that will interfere with treatment operations
  • Reduce the health and environmental risk of pollution caused by wastewater discharges to wastewater treatment plants

The EPA has developed federal wastewater discharge limits for specific categorical processes. WRCRWA has also developed local limitations that generally apply to specific industrial processes.

Permit Recipients

WRCRWA issues industrial wastewater discharge permits to the following classes of industrial users:

  • Categorical Industrial Users (CIUs) - operating federally regulated processes subject to categorical pretreatment standards under Title 40 the Code of Federal regulations
  • Industrial Users (IU) - facilities which have the potential to adversely impact wastewater treatment facilities
  • Significant Industrial Users (SIUs) - operating larger facilities which, among other things, discharge more than 25,000 gallons per day of process wastewater to the sewer