Mercer County Wastewater Management Plan

COUNTY SUMMARY:

County Summary with Appendices A through M and Glossary and Definitions

County Summary Maps:

• Map 1 - Jurisdictional Boundaries
• Map 2 – Existing Wastewater Facilities and Service Areas
• Map 3 – Future Wastewater Service Areas
• Map 5A - Environmental Features, Hydrologic Features
• Map 5B - Environmental Features, Natural Resources

Environmental Analysis and Assessment

Environmental Analysis and Assessment with Appendix B – Letters of Interpretation and Habitat Suitability Determinations

Municipal Chapters:

• Ewing Township
• Hamilton Township
• Hightstown Borough
• Hopewell Borough
• Hopewell Township
• Lawrence Township
• Princeton
• City of Trenton
• West Windsor Township

Municipal Maps as Revised through November, 2020:

• Ewing Township
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Hamilton Township
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Hightstown Borough
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Hopewell Borough
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Hopewell Township
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Lawrence Township
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• Princeton
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• City of Trenton
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area
• West Windsor Township
  • 2M. Existing Wastewater Facilities and Service Area
  • 3M. Future Wastewater Facilities and Service Area

Click here for most current County Sewer Service Area (SSA) map

Click here to return to the Water Resources Planning main page.

The Mercer County Wastewater Management Plan (WMP) was adopted by the New Jersey Department of Environmental Protection (NJDEP) on October 9, 2013. This adopted WMP replaced all previously adopted municipal and municipal utility authority WMPs in Mercer County as well as areas outside of Mercer served by wastewater treatment facilities located within Mercer County which have been included as part of an adopted WMP, with the exception of three municipalities that chose to maintain their own municipal WMPs (East Windsor Township, Pennington Borough, and Robbinsville Township). These three municipal WMPs were included by reference in the 2013 areawide Mercer County WMP.

Click here for a copy of the public notice amending the Mercer County Water Quality Management Plan and adopting the 2013 areawide WMP for Mercer County.

The Mercer County Planning Department submitted an update to the Mercer County WMP, as required by the NJDEP, six years from the date of adoption of the current plan, i.e., October 9, 2019. As part of that process, the three municipalities which had previously been working from their own adopted municipal WMPs joined the county-wide WMP. As such, any site-specific amendments to the county-wide WMP are now processed by the Mercer County Planning Department and the NJDEP.

The county-wide WMP update is currently under review by NJDEP. Until such time as the update is adopted, the 2013 Mercer County WMP and associated Sewer Service Area (SSA) mapping remain in full force and effect. The SSA mapping of the three previously-independent municipal WMPs have been aggregated into the county-wide SSA mapping.

A paper copy of the 2013 Mercer County Wastewater Management Plan is available for review at the Mercer County Planning Department office, 4th Floor, Room 411 of the McDade Administration Building, 640 South Broad St., Trenton, New Jersey. In addition, see below for related downloadable files.

To request information about the WMP update, or the site-specific amendment process, please contact:

Andrew Lloyd, AICP, CFM
Principal Planner
Phone: (609) 281-7197
Fax: (609) 278-8154
Email: alloyd@mercercounty.org

Mercer County Planning Department
McDade Administration Building
640 South Broad Street
P.O. Box 8068
Trenton, NJ 08650-0068

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