Wastewater Overview

Storm Water General Industrial PermitThe Los Angeles County Sanitation District (LACSD) is composed of more than 20 Sanitation Districts and operates one ocean discharge plant and ten water reclamation plants in order to treat an average of 500,000,000 gallons of wastewater per day.  These eleven wastewater treatment plants receive wastewater from over 5.4 million people and 2,300 diverse industrial users.  Because of this, LACSD had to establish an industrial source control program.  This program enhances the efficacy of treatment plants and ensures they will be able to meet effluent discharge limits, protects the public and the environment from potentially harmful industrial waste, and holds industrial users accountable for their share of wastewater treatment and infrastructure maintenance costs.  Significant industrial users are required to obtain a Wastewater Discharge Permit and then submit quarterly Monitoring Reports and an annual Wastewater Surcharge Statement in addition to maintaining compliance with all permit requirements.

Wastewater Categorization

Pursuant to the Clean Water Act, in 1978 the Environmental Protection Agency (EPA) began developing regulations to govern pretreatment of industrial waste discharged to publically owned treatment works (POTW).  Specific regulations and effluent limits were developed for more than thirty unique industrial categories based on the effluent quality that can be expected using available treatment technology.

In addition to EPA mandated limits, LACSD has their own local limits and requirements which apply to all wastewater dischargers and may not be exceeded.  Stricter and/or additional limits (i.e. ammonia, benzene, oil and grease, total dissolved solids, etc.) may be applied on a case-by-case basis as warranted by the specific discharger.  LACSD also prohibits facilities from discharging certain types of waste, such as flammable, corrosive, foam generating, and hazardous waste.  All limits and restrictions imposed allow LACSD to ensure effluent concentrations are met and to protect infrastructure (i.e., underground pipelines, treatment equipment) from damage and accelerated degradation.

Davenport Engineering has the experience and regulatory relationships to assist facilities with their interaction with wastewater regulators.  We are available to aid facilities with initial feasibility assessments, permit application, renewal and modification, preparation of regulatory reports, negotiation of discharge permit conditions, as well as mediation between the facility and regulating agency with regard to potential non-compliance and corrective actions.  Although Wastewater permitting and reporting needs differ between local Sanitation Districts and/or City Public Works Departments, we are confident that with our experience in Southern California, an area known for having the toughest pollution regulations in the country, we can assist facilities throughout the state of California, Texas and beyond. To learn more, or to request a quote, please contact us today.