Milling and Paving Notice for Elm Ridge Road

On or about Tuesday, September 20, 2016, Mercer County D.O.T. will be milling and resurfacing Elm Ridge Road (County Route 625) between Pennington-Rocky Hill Road and Carter Road in Hopewell Township.

Construction will take place between 9 AM and 3 PM, Monday through Friday. During construction, the road will be closed to traffic.

Mercer County anticipates that this work will take approximately fifteen (15) working days, weather permitting. 

Motorists will be directed to use Pennington-Rocky Hill Road and Carter Road as detour routes. 



Road Construction Notice

Beginning on or about Monday, May 2, 2016, Mercer County DOT will be rehabilitating the stone arch of the Wargo Road Bridge located approximately ½ mile north of Titusmill Road.

This will require a full closure of Wargo Road on a 24/7 basis.

The work is anticipated to be completed sometime in October of 2016.

During construction, a detour will be posted directing motorists to use Pennington-Rocky Hill Road, Darrow Drive, Westcott Boulevard and Bradford Lane.





























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Environmental Commission


The Hopewell Township Environmental Commission was established in 1974. The Environmental Commission has the power to conduct research into the uses of open land areas of the township and may coordinate the activities of official bodies organized for similar purposes. It is charged with keeping an index of all open areas, publicly or privately owned, including open marsh lands, swamps and other wetlands, in order to obtain information on the proper use of such areas. It may recommend to the planning board of the township, plans and programs for inclusion in a municipal master plan and also make recommendations about the development and use of such areas. The Environmental Commission may also, with the approval of the Township Committee acquire property on behalf of the

The Commission consists of seven members who are appointed by the Mayor for three year terms. The Mayor designates one of the members as Chair.

Environmental Commission meetings are held the third Tuesday of each month at 7:30 or 8:00 p.m. (check the Township Calendar) in the Hopewell Township Municipal Building located at 201 Washington Crossing-Pennington Road.

Click here for Agendas and Minutes

Environmental Control ,Tree Removal permit, and
Tree Preservation and Removal Plan Ordinance

"Blue Guide” for Water Conservation

Guide to Fall Leaf Management PDF document

Groundwater Study

Environmental Resource Inventory - May 2010 (16MB) PDF document
Enviironmental Resource Inventory - May 2010 (with maps) (116MB) PDF document
Individual ERI Maps (scroll down to Environmental Section)

Tree Benefit Calculator

Video of EQ Challenge Report

HopewellTownship Environmental Commission Energy Tracker

Search for the Biggest Tree and Big Tree Nomination Form PDF document

Hopewell Valley's Biggest Trees PDF document

Community Forestry Management Plan PDF document
Community Forestry Management Plan Approval Letter PDF document
Community Forestry Management Plan Approval Certificate PDF document

Woodlands of Hopewell Valley, Report  May 1990 PDF document

Sustainability Information

List of Sustainability & Energy Conservation Websites for Hopewell Twp

Living Greener Grant Effort PDF document (8MB)

DEP Revises Idling Regulations (10/15/07) (PDF)

RCGB Living Greener Proposal (9/18/07) (PDF)

Creating Sustainable Communities in NJ (PDF 4.3MB)

Groundwater Report (PDF 2.8MB)

Monitoring Well Data : for the Alliger, Gomez, and Scotch Roads.:



Scotch Rd: 


Environmental Commission 2016

Michael Aucott
1/6/14 - 12/31/16
James Gambino
1/4/16 - 12/31/18
George Kerr
1/12/15 - 12/31/17
Ray Nichols
1/12/15 - 12/31/17
Rex Parker
1/4/16 - 12/31/18
Gloria Rohmann
1/6/14 - 12/31/16
Nora Sirbaugh
1/6/14 - 12/31/16
Alternate No. 1 - Timothy Wilson
1/6/14 - 12/31/17
Alternate No. 2 - William Washburn
1/12/15 - 12/31/16
Vanessa Sandom
Township Committee Liaison
Robert Miller
Administrative Officer



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201 Washington Crossing - Pennington Road  •  Titusville, NJ 08560  •  (609) 737-0605