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Bureau of Pretreatment and Residuals
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Bureau of Pretreatment and Residuals

The Bureau of Pretreatment and Residuals (BPR) is responsible for the following activities:

Pretreatment Programs

The Pretreatment Program is intended to protect local agency sewage treatment plants from non-domestic wastewater which may interfere with treatment processes, contaminate sewage sludge, or pass through sewage treatment plants. Pretreatment Programs are administered by the Department and by Delegated Local Agencies.

Guidance for Pretreatment Programs During Emergency Situations


Delegated Local Agency Service Areas: The Department was delegated the responsibility for the pretreatment program from EPA and has approved several local pretreatment programs. BPR oversees the implementation of pretreatment programs by delegated local agencies which issue SIU Permits to their users. The oversight function includes (i) conducting annual audits of the delegated local agency's pretreatment program, (ii) reviewing federal annual reports and state annual reports submitted by delegated local agencies, and (iii) providing technical assistance to delegated local agencies. The audit and the annual report include information on the local agency's treatment plant operations, NJPDES permit compliance, and sludge quality which allows the bureau to determine the pretreatment program's success.

Non Delegated Areas: BPR itself issues NJPDES/SIU permits for discharges into publicly owned treatment works (POTWs) of local agencies that do not have approved pretreatment programs. This function was delegated to New Jersey by the EPA as a component of the state's pretreatment program. These permits take into consideration plant protection, local agency compliance with NJPDES permit(s), and sludge quality criteria.

Dental Amalgam: The Bureau of Pretreatment and Residuals coordinates the Dental Amalgam Program for indirect dischargers. Dental practices which remove or place amalgam are subject to N.J.A.C. 7:14A-21.12, and are required to obtain NJPDES/SIU permits unless meeting regulatory requirements for exemption.

For more information go to Industrial Discharges to Sewer Plants.


Residual Management

Wastewater treatment plants receive untreated wastewater (influent) from the surrounding community and, through a series of physical, chemical and biological processes, 1) reclaim water for discharge back into surface or ground waters, and 2) generate residual (often called sludge, sewage sludge or, when properly treated, biosolids).

The Bureau of Pretreatment and Residuals is responsible for regulating the residual management activities of domestic and industrial treatment works. The Bureau also regulates certain entities that accept residual from residual generators for the purpose of transportation, storage, transfer processing and/or ultimate management. Bureau responsibilities include oversight of New Jersey's Sludge Quality Assurance Regulations, Standards for the Use or Disposal of Residuals, and the Statewide Sludge Management Plan.

For more information go to Biosolids


Regulatory Citations

The following regulatory citations apply to programs administered by the Bureau of Pretreatment and Residuals:






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Last Updated: March 27, 2019