Water Quality > Water Quality Program

Water Quality Program

Watersheds sampled by Riverkeeper and our partners.

Watersheds sampled by Riverkeeper and our partners.

Hudson River Estuary

We began sampling the Hudson in 2006, and in 2008 started our full-estuary sampling project, in partnership with CUNY Queens College and Columbia University’s Lamont-Doherty Earth Observatory.


Tributaries and Waterfronts

In partnership with citizen samplers, we test select tributaries of the Hudson for fecal-indicating bacteria and other water quality indicators. These samples are collected from the streambank by Riverkeeper-trained community scientists, and processed in our onboard lab, our lab in Kingston, or one of our partner labs. We encourage communities to use this data to restore and protect their local waterways.


How’s the Water? 2015

Read Riverkeeper’s annual water quality report, with summary data for ongoing projects, information about sources of contamination, a detailed Action Agenda for improving water quality, what you can do, success stories and more.

Other Reports

Find reports on each tributary watershed we sample, and other reports.

Meet our water quality program science partners and supporters

  • What We Are Testing For

  • How We Test

  • Quality Assurance Project Plans (QAPPs)

  • Data Use/Sharing

  • Findings

  • Improving Water Quality – What We’re Doing

  • Sewage Pollution Right to Know Law

  • Other Hudson River Pollutants

  • Additional ResourcesSwimming in the Hudson River During Dredging

2017 Fishermen's Ball
Become a Member