Nagog Brook Temperature: Cooler than air in Summer, Warmer than air in Winter

by Kim Kastens & Song Leav The Green Acton Water Committee began monitoring the water temperature of Nagog Brook in the summer of 2017. After more than three years of data collection, we have established that the brook stays warm in winter relative to air temperature, and cool in summer, and rarely exceeds the temperature threshold… Continue reading →

Stream Monitoring at Nagog Brook

This page describes historical and ongoing programs to monitor the stream level and water temperature of Nagog Brook, and provides links to data and observations.

A Heads-Up: Prep Your Questions and Comments for WR Grace Status and Reuse Meeting

The Environmental Protection Agency (EPA) has scheduled a community/stakeholder information session, about the status and future of the WR Grace (WRG) Superfund site, for February 3 at 7pm. This post provides some background and links to further information to help area residents formulate their questions and comments about the status of the clean-up, what zoning… Continue reading →

SJC to Hear Oral Arguments on Nagog Pond Water Rights on Dec. 2

  On December 2, the Massachusetts Supreme Judicial Court (SJC) will hear oral arguments in the lawsuit over which towns (among Concord, Littleton, and Acton) have rights to withdraw water from Nagog Pond. Because of Covid-19 restrictions, oral arguments are being held virtually, so the public can watch the live stream. 

PFAS Panel Discussion Summary

On October 14, 2020, more than 100 people gathered by Zoom to listen as an expert panel discussed PFAS in drinking water and answered questions from residents. This post provides a summary of the speakers’ comments, links to their slides, a link to the video of the event, and answers to audience questions that remained… Continue reading →