River Log

Ecological Restoration

The Case for Dam Removal—Balancing Ecology, Safety, and Economic Viability

February 19, 2025

OARS River Log | By Heather Conkerton, OARS’ Ecological Restoration Coordinator | Published February 19, 2025   At OARS, we advocate for the removal of dams to promote healthier, free-flowing …

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Sustainable Northborough River Health & Dams Walk & Talk with Heather Conkerton

November 01, 2024

OARS River Log | By Heather Conkerton, OARS’ Ecological Restoration Coordinator | Published November 1 2024   On Saturday, October 5th, I (Heather Conkerton), had the pleasure of leading an …

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Exploring the Underwater World of Nashoba Brook: OARS’ Mussel Survey with MassWildlife

November 01, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development | Published November 1 2024   On September 12th, OARS collaborated with MassWildlife to conduct a vital …

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Current Drought Conditions in Massachusetts: What It Means for Our Rivers

October 31, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development | Published October 31 2024   Massachusetts is currently experiencing a Level-1 mild drought, a situation that …

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Making Waves of Change: The 38th Annual SuAsCo Rivers Cleanup Success!

September 30, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development  | Published September 30   September was an inspiring month of action and impact for the OARS …

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Surveying the Streams of Wheeler Pond: Uncovering a Vital Habitat for Brook Trout

September 04, 2024

OARS River Log | By Heather Conkerton, OARS Ecological Restoration Coordinator | Published September 4, 2024     As the Ecological Restoration Coordinator at OARS, I’m passionate about restoring and …

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Mammals of the Assabet River

August 29, 2024

OARS River Log | By Zoe Green, OARS 2024 Ecological Restoration Volunteer | Published August 29, 2024   The Sudbury, Assabet, and Concord rivers are home to many species of animals, …

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Past and Present Geology of the Sudbury, the Assabet, and the Concord Rivers

July 25, 2024

OARS River Log | By Zoe Green, OARS 2024 Ecological Restoration Volunteer | Published July 25, 2024   From Westborough to Newburyport   The Sudbury and Assabet rivers both originate …

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Water Chestnut Invasion

June 26, 2024

OARS River Log | By Zoe Green, OARS 2024 Ecological Restoration Volunteer | Published June 6, 2024   What is water chestnut? Water chestnut, also known as European water chestnut …

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Salmon in Massachusetts

June 26, 2024

OARS River Log | By Nathan Callan, OARS 2024 Environmental Intern | Published June 6, 2024   A little Massachusetts river is swarmed with salmon. Anglers, though outnumbered by the …

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River Science

Have you asked your town about a salt reduction plan?

March 24, 2025

OARS River Log | By Ben Wetherwill, OARS’ Water Quality Scientist | Published March 24, 2025   Lincoln Salt Reduction Plan   OARS has been monitoring chloride (salt) in our …

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Green Acton Chloride Study

March 07, 2025

OARS River Log | By Ben Wetherwill, OARS’ Water Quality Scientist | Published March 7, 2025   OARS has been collaborating with the Green Acton Water Committee over the past …

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Presenting Science in Action: Ben Wetherill Shares Hop Brook Findings at the NAB Conference

February 20, 2025

OARS River Log | By Ben Wetherill, OARS’ Water Quality Scientist | Published February 20, 2025   On February 7th, Ben Wetherill, OARS’ water quality scientist, presented our Sudbury River …

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Sudbury Ashland Bacteria Study

February 18, 2025

OARS River Log | By Ben Wetherill, OARS’ Water Quality Scientist | Published February 18, 2025   During the summer of 2024, with the help of volunteers, OARS conducted a …

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2024 Bacteria Monitoring Success: Swimmable Waters and Areas of Concern

October 31, 2024

OARS River Log | By Ben Wetherill, OARS’ Water Quality Scientist | Published October 31 2024   We had a very successful bacteria monitoring season in 2024.  Fifteen volunteers helped …

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The Salty Truth

August 29, 2024

OARS River Log | By Ben Wetherill, OARS Water Quality Scientist | Published August 29, 2024   Measuring the March 2024 Salt Flow in Our Watershed   How much salt …

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Studying Dissolved Oxygen in the Talbot Impoundment

July 11, 2024

OARS River Log | By Ben Wetherill, Water Quality Scientist, OARS | July 25, 2024   It was lucky that we continued our Talbot Mills impoundment dissolved oxygen study for …

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Hop Brook Water Quality Study

December 12, 2020

OARS River Log | By Ben Wetherill, OARS Water Quality Scientist | Published December 12, 2020   Why does Hop Brook have some of the highest levels of nutrient pollution in …

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Assabet River Nutrient TDML (Total Maximum Daily Load) Study

May 01, 2008

OARS River Log | By Suzanne Flint | Published May, 2008   In July 1999, the Commonwealth of Massachusetts and the US Army Corps of Engineers funded ENSR, a private …

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Outreach Education & Recreation

Reflecting on an Unforgettable Evening: 3 Rivers, Stones, Visions

November 01, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development | Published November 1 2024       OARS would like to extend our heartfelt thanks to …

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Empowering Future Stewards: OARS Expands Water Wise Education with DCU for Kids Grant

November 01, 2024

OARS River Log | Published November 1 2024   OARS is delighted to announce that we were awarded a generous grant from the DCU for Kids Foundation this October to support …

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OARS Launches 3 Rivers Adventures and Celebrates Recovery Month

September 30, 2024

OARS River Log | By Matt Brown, OARS’ Executive Director | Published September 30   OARS is actively building capacity for our river recreation offerings, focusing on equitable access for …

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Paddle Leaders in Training: OARS Prepares for New River Adventures

September 30, 2024

OARS River Log | By Isabel Ryen, OARS’ Community Engagement Coordinator—TerraCorps Service Member & Shelley Zuckerman , OARS’ Youth Education Coordinator—TerraCorps Service Member | Published September 30   On an …

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Keep Warm & Paddle On—Winter Paddling in Massachusetts

February 15, 2023

OARS River Log | By Roger Beatty, OARS Board of Directors | Published February 15, 2023   Not all paddlers think of kayaking as exclusively a warm-weather sport; in fact, …

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A Story of Wildlife, Beauty, and Peace on the Water

July 11, 2022

OARS River Log | By Alison Field-Juma with Julia Khorana | Published month 2022   As I pull into the parking area in early summer, I see people down at …

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Early Fall on the Sudbury, Assabet, and Concord rivers

September 18, 2014

OARS River Log | By Ingeborg Hegemann, OARS Board or Directors President | Published September 18, 2014   It is early autumn, and the river level is low. The water …

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Policy & Advocacy

Massachusetts in Critical Drought: What It Means for Our Rivers and What You Can Do

November 26, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development | Published November 26 2024     As of November 19, 2024, most of Massachusetts is under …

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NEW CLIMATE BILL for Massachusetts!—A Big Win for Our 3 Rivers, Watershed, and Future

November 25, 2024

OARS River Log | By Sarah Kwan, OARS’ Director of Communications & Development | Published November 25 2024   On November 14, 2024, Massachusetts took a landmark step toward a …

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52 Years of the Clean Water Act: Progress, Challenges, and the Path Forward

October 31, 2024

OARS River Log | By Isabel Ryen, OARS’ Community Engagement Coordinator—TerraCorps Service Member | Published October 31 2024     On October 18th, we celebrated 52 years of the Clean …

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Otter News

The latest news, events, and updates from OARS

News & Events

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