Addison County River Watch Collaborative

To register for ACRWC’s 2021 virtual and in-person trainings please click here.



To monitor and assess the condition and uses of our local rivers over the long term, raise public awareness of the values and functions of our watersheds, and support stewardship that improves water quality.

New Haven River below Bristol

New Haven River below Bristol. Photo by Matt Witten



Why Sample Water Quality?

2020 Provisional E.coli Sampling Results

The Science of Water Quality

Water Quality Reports


ACRWC History

River Watch Volunteer Taking Water Sample. Photo by Matt Witten

Tribute to Pete Diminico (1949-2020)


(Photos by Matt Witten and Kristen Underwood)

Learn more about these Addison County Watersheds

Otter Creek     New Haven River    Lewis Creek     Little Otter Creek     Lemon Fair River    Middlebury River

Or click the image below for interactive maps and an overview of the watersheds of Addison County!

Lewis Creek AssociationOtter Creek AudubonNew Haven River Anglers – Otter Creek Tactical Basin Plan

Vermont Agency of Natural Resources – Lake Champlain Basin Program – EPA Water Pages


At this time, it is easiest for ACRWC to accept donations through a personal check.  Please mail donations to:

P.O. Box 27

New Haven, VT 05472

Addison County Regional Planning Commission | 14 Seminary Street Middlebury, VT 05753 | 802.388.3141 |

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