LRWP stream monitor Margo Persin tells us how volunteering with the LRWP has been meaningful to her: “Thanks again for sponsoring, being part of this my environmental journey. The beauty of the place has sustained me.”

The Lower Raritan Watershed Partnership (LRWP) is an IRS 501c3 public charity, federal tax ID #473574185: LRWP IRS determination letter

The LRWP formed in 2015 to address legacy and ongoing contamination of the Raritan River and the Lower Raritan Watershed. Current contamination levels in many stream segments are unknown. Ongoing threats to the watershed include combined sewers, an average of 34% impervious surfaces, and significant non-point pollution. We work to protect our watershed from these threats, preserve areas that are not yet degraded, and restore habitat and biodiversity to polluted and damaged landscapes within our Lower Raritan Watershed.

The LRWP got its start as a group of concerned “civic scientists” seeking data on the health and safety of the water in New Jersey’s Raritan River. We found that little data had been collected since the 1970s, and our partnership of citizens, non-profits, government representatives, University researchers, business representatives and others organized to gather data through civic science. We use this information to prioritize stewardship and advocacy so as to improve the quality of the water in the Raritan River and the health of the Lower Raritan Watershed ecosystem.

Our work is driven by a belief that for a healthy and thriving Lower Raritan Watershed, science, community engagement and environmental stewardship must be integral to our collective culture and identity.


Meet Jorge – the LRWP mascot!

Jorge’s design was inspired by turtle gourds made by the Oaxacan community, a community with a significant presence in the LRW, and also references the Lenape legend of the “Great Turtle.” The legend tells of creation of the Lenape homeland by placing earth on the back of a giant turtle. Turtles are known as an indicator species and are a key part of a balanced ecosystem. Jorge is our mascot for use in school and youth outreach, a core focus of our work.

Mission / Goals

The LRWP is a source of information about the health of the Raritan River and her watershed, a source of inspiration for individuals and groups looking to connect with nature through science, recreation and discovery, and a source of community innovation around environmental stewardship and restoration.

The mission of the Lower Raritan Watershed Partnership (LRWP) is to conserve, enhance and restore the natural resources of the New Jersey Watershed Management Area 9, the Lower Raritan Watershed. Read more…


We are built on partnership – with citizens, non-profits, government representatives, University researchers, business representatives and others – through which we work to restore the health of the Lower Raritan Watershed in Central New Jersey. We are driven in our work by opportunities for collaboration. Read more…

Legal Documents

LRWP IRS determination letter 9.23.2015

LRWP – Certificate Of Annual Report 2020

LRWP_- State of NJ_2020 Filing Certificate

LRWP Articles of Incorporation

LRWP 2018 IRS 990-N