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Pretreatment

Publicly owned treatment works (POTWs) collect wastewater from homes, commercial buildings, and industrial facilities and transport it via a series of pipes, known as a collection system, to the treatment plant.  The POTW removes harmful organisms and other contaminants from the sewage so it can be discharged safely into the receiving stream.  Generally, POTWs are designed to treat domestic sewage only.  However, POTWs also receive wastewater from non-domestic (industrial and commercial) users.  The General Pretreatment Regulations establish responsibilities of Federal, State, and local government, industry and the public to implement Pretreatment Standards to control pollutants from the industrial users which may pass through or interfere with POTW treatment processes or which may contaminate sewage sludge.

Within EPA Region 2, the Division of Environmental Planning and Protection (DEPP) and the Division of Enforcement and Compliance Assistance (DECA) carry out the bulk of pretreatment program activities.  The Division of Environmental Science and Assessment (DESA) may at times provide support through sampling, analysis, and quality assurance.  In addition, the Office of Regional Counsel provides support and input on legal and policy issues.

General Pretreatment Regulation Changes

EPA made changes to the General Pretreatment Regulations published in the Federal Register on October 14, 2005.  The regulations provide clarifications to regulations and, under certain specific conditions, allow for:

  • reduced sampling for pollutants not expected to be present in the discharge
  • use of general control mechanisms (e.g., permits)
  • equivalent concentration limits for flow-based standards
  • a change to the definition of significant noncompliance with regard to late reports
  • equivalent mass for concentration limits
  • reduced oversight of categorical industrial users

These changes do not affect the regulated community in New York or Puerto Rico.  New York and Puerto Rico laws have not been changed to allow for the implementation of these provisions.  For information regarding how these changes may affect the regulated community in New Jersey, contact New Jersey Department of Environmental Protection (NJDEP).

New Jersey

NJDEP was authorized to implement the pretreatment program on April 13, 1982. NJDEP implements pretreatment through approval and oversight of publicly owned treatment works (POTW) programs and through direct permitting of significant industrial users/categorical industrial users (SIUs/CIUs) in areas not covered by approved POTW programs. Within the Division of Water Quality, staff in the Bureau of Pretreatment and Residuals (BPR) are responsible for the oversight of the industrial pretreatment program.

New York

New York State is not authorized to implement the pretreatment or sludge National Pollutant Discharge Elimination System (NPDES) program components.  EPA Region 2 implements these two programs and oversees the State NPDES permit program.  In addition, EPA Region 2 is responsible for NPDES permitting on Indian lands.

The pretreatment universe includes 58 approved local industrial pretreatment programs, which regulate over 1,100 significant industrial users (SIUs) and over 40 categorical industrial users (CIUs) which are under direct oversight by EPA Region 2.
 
Approved programs in New York State:

NPDES # SEWAGE TREATMENT PLANT NPDES #
SEWAGE TREATMENT PLANT
NY0026875 ALBANY CO SD NORTH WWTP NY0025950 AMHERST (T) WWTF #16
NY0020290 AMSTERDAM (C) WWTP NY0021903 AUBURN (C) STP
NY0026514 BATAVIA (C) WPCP NY0025976 BEACON (C) WPCP
NY0024414  BINGHAMTON-JOHNSON (C) JNT STP NY0028410 BIRD ISLAND WWTP
NY0025968 CANANDAIGUA (C) WWTF NY0035742  CHEMUNG CO ELMIRA SD STP
NY0027961  DUNKIRK (C) WWTP NY0027669 ENDICOTT (V) WPCP
NY0095401 ERIE CO/SOUTHTOWNS SEW TRT FAC NY0028339 FRANK E VAN LARE WWTP
NY0026301 FULTON (C) WPCP NY0026620 GLEN COVE (C) WTP
NY0029050 GLENS FALLS (C) WWTP NY0026042 GLOVERSVILLE-JOHNSTOWN JOINT WWTP
NY0028533 HAVERSTRAW JOINT REGIONAL STP NY0036528 HERKIMER CO SD WWT FAC
NY0026638  ITHACA AREA WWTF NY0027570 JAMESTOWN (C) WWTP
NY0029351 KINGSTON (C) WWTF NY0027561  LE ROY R SUMMERSON WWTF
NY0022403 LITTLE FALLS (C) WWTP NY0027057 LOCKPORT (C) WWTP
NY0026701 MAMARONECK SANITARY SD WWTP NY0027049 MARSH CREEK WWTP
NY0027081 METROPOLITAN SYRACUSE WWTP NY0022331  MIDDLEPORT (V) WWTF
NY0026450  NCSD#2 - BAY PARK STP NY0022446 NEW WINDSOR (T) STP
NY0029475  NEWARK (V) WWTP NY0026310  NEWBURGH (C) WPCP
NY0027774  NEWFANE (T) WWTP NY0027979  NIAGARA COUNTY SD#1 WWTP
NY0026336  NIAGARA FALLS (C) WWTP NY0026280 NORTH TONAWANDA (C) WWTP
NY0027901 OCSD #1 HARRIMAN STP NY0027162 OLEAN (C) WWTF
NY0029831 OGDENSBURG SECONDARY WWTP NY0026051  ORANGETOWN (T) SD#2 STP
NY0025780 ONEIDA COUNTY WPCP NY0026018 PLATTSBURGH (C) WPCP
NY0029114 OSWEGO (C) EAST SIDE WWTF NY0087971 RENSSELAER COUNTY SD#1 WWTP
NY0026255 POUGHKEEPSIE (C) WPCP NY0030864 ROME MUNICIPAL STP
NY0031895 ROCKLAND COUNTY SD#1 STP NY0020516   SCHENECTADY (C) WPCP
NY0028240 SARATOGA CO SD# 1 WWTP NY0104809 SUFFOLK COUNTY SD#3-SOUTHWEST
NY0022748 SUFFERN (V) STP NY0021610 WALTER W BRADLEY WPCF
NY0026395 TONAWANDA (T) SD#2 WWTP NY0025984  WATERTOWN (C) WPCP
NY0026131 WARD ISLAND WPC    

Puerto Rico

EPA Region 2 implements the NPDES program in Puerto Rico, including oversight of pretreatment program implementation for POTWs in Puerto Rico.  In 1985 EPA approved the pretreatment program for the Puerto Rico Aqueduct and Sewer Authority (PRASA), which operates all POTWs on the island.  This is the only approved pretreatment program in Puerto Rico.  PRASA issues control mechanisms that implement applicable pretreatment standards and requirements to the SIUs in the Commonwealth.

U.S. Virgin Islands

There are no known facilities subject to pretreatment requirements in the U.S. Virgin Islands.  The U.S. Virgin Island Department of Planning and Natural Resources is not delegated to administer the pretreatment program.

Regional Policy

June 9, 1992 memo interpreting the monitoring considerations for the four day average limit in the 40 C.F.R. § 413 Electroplating Point Source Category (PDF, 210K, 4pp)

For questions concerning the pretreatment program in Region 2, please contact Virginia Wong of the Division of Environmental Compliance & Assistance at (212) 637-4241, or Jacqueline Ríos of the Clean Water Division at (212) 637-3859.

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