Hackensack Riverkeeper by John Gnesin | Dec 23, 2019 CategoryEnvironmental Organizations CausesCivic Education, Civic Engagement, Clean Water Websitehttps://www.hackensackriverkeeper.org Emailinfo@hackensackriverkeeper.org Mailing AddressHackensack Riverkeeper 231 Main Street Hackensack, NJ. 07601 Phone(201) 968-0808 Social Media Volunteers Needed ForGeneral Volunteering ← Return to Directory