On patrol: A season of sampling is completed on Hudson River’s main stem

Carol Knudson of Columbia University’s Lamont-Doherty Earth Observatory collects the last main stem water quality sample in Waterford, where the Mohawk River meets the Hudson above Troy.

Eight years of data, so far.

(Riverkeeper collects samples at more than 70 locations along the Hudson and tests for the fecal-indicating bacteria enterococcus. See the data and an interactive map. Read a PDF of our 2015 report, “How’s the Water?”)

Sampling continues along the tributaries through October in partnership with community scientists. This Saturday and Sunday we will try a last run west on the Mohawk, a trip that would include water quality sampling with our SUNY Cobleskill partners.