For OARS' Water Quality Sampling Volunteers ONLY

Water quality sampling documents for 2022:

WQ Sampling Manual

Bacteria Sampling Manual

Differences between Water Quality and Bacteria sampling

Water sampling training videos

Sampling site descriptions with driving directions by season and section:

  • May and September
    Upper Assabet pdf, (google directions)
    Lower Assabet pdf, (google directions)
    Sudbury pdf, (google directions)
    Concord pdf, (google directions)
  • Summer
    Upper Assabet pdf, (google directions)
    Middle Assabet pdf, (google directions)
    Lower Assabet pdf, (google directions)
    Sudbury pdf, (google directions)
    Concord pdf, (google directions)
  • Winter
    Upper Assabet and Sudbury pdf, (google directions)
    Middle Assabet pdf, (google directions)
    Lower Assabet and Concord pdf, (google directions)
  • BACTERIA
    Assabet, (google directions)
    Sudbury, (google directions)
    Concord, (google directions)
  • Chlorophyll
    Upper Sudbury, (google directions)
    Lower Sudbury, (google directions)
  • Directions to Labs
    Alpha Analytical Inc. 8 Walkup Drive Westborough, MA 01581
    Nashoba Analytical LLC 31A Willow Rd, Ayre, MA, 01432

    • Thank you for contributing your time and expertise to our Citizen Science Water Quality Sampling program!