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Category One Upgrades

In 1985, the Department amended the Surface Water Quality Standards (SWQS) at N.J.A.C. 7:9B-1.15 to upgrade certain surface waters of the State to Category One based on parks, wildlife management areas, and trout production waters. Between 1985 and 2002, the Department designated more surface waters of the State as Category One. These upgrades were based on their value as trout production (FW2-TP) waters.

Since 2002, the Department has promulgated several amendments to the SWQS to upgrade the stream classification and antidegradation designations of additional waters of the State based on exceptional ecological significance or exceptional water supply significance. Links to proposed and adopted rule amendments from 2002 through the present are provided in the table below, along with maps of the stream classifications corresponding to each change to the stream classifications.

Round 1 Category One Proposal November 18, 2002Adobe Acrobat pdf document

Round 1 Category One Adoption
May 19, 2003
 Adobe Acrobat pdf document

View Map

Round 2 Trout Proposal
January 6, 2003
 Adobe Acrobat pdf document

Round 2 Trout Adoption
November 3, 2003
 Adobe Acrobat pdf document

View Map

Round 3 Category One Proposal
November 3, 2003
 Adobe Acrobat pdf document

Round 3 Category One Adoption
July 10, 2004
 Adobe Acrobat pdf document

View Map

Round 4 Category One Proposal
December 20, 2004
 Adobe Acrobat pdf document

Round 4 Category One Adoption
June 20, 2005
 Adobe Acrobat pdf document

View Map

SWQS Proposed Amendments
September 19, 2005
 Adobe Acrobat pdf document

SWQS Adopted Amendments
September 8, 2006
Adobe Acrobat pdf document

View Map

Round 5 Category One Proposal
May 21, 2007
 Adobe Acrobat pdf document

Round 5 Category One Adoption Comment Period Closed August 20, 2007;Adoption anticipated May 2008

View Map

The Department's most recent Category One proposal (May 21, 2007) would upgrade the antidegradation designation of approximately 910 river miles to Category One waters. The antidegradation designation would be upgraded for surface waters in the following watersheds:  Musconetcong River, Wallkill River, Pequest River, Ramapo River, Stony Brook, Lamington River, Salem River, Pompeston Creek, Maurice River, Toms River, Rockaway River and Pequannock River.  In addition, the antidegradation designation for Split Rock Reservoir, Oak Ridge Reservoir, Canister Reservoir, and tributaries to the Swimming River Reservoir and the Wanaque Reservoir are also proposed for upgrade to Category One.

For more information, please contact the Bureau of Water Quality Standards and Assessment at (609) 777-1753.


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Department of Environmental Protection
P. O. Box 402
Trenton, NJ 08625-0402

Last Modified: February 8, 2008

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