Inland Water Monitoring

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• 2014 Volunteer Water Monitoring Conference

  The 2014 Volunteer Water Monitoring Conference was held on July 25, 2014 at Goodwin College in East Hartford, CT. The conference was the first such conference to be organized by the CT DEEP to celebrate volunteer water monitoring in Connecticut. More than 100 individuals attended representing individual volunteers (citizen scientists), watershed group leaders, municipal commissioners, college and university professors, state and federal scientists, students, and representatives from the environmental consulting industry. In total more than 40 volunteer monitoring groups were represented at the conference!

• 2019 CT Volunteer Water Monitoring Conference

  The 2019 Volunteer Water Monitoring Conference was held on April 5, 2019 at Three Rivers Community College in Norwich, CT. The conference was organized by the CT DEEP in collaboration with partners, and marked the 20 year anniversary of the DEEP Volunteer Water Monitoring Program. The event featured five concurrent oral presentation sessions and workshops as well as a student poster session. More than 100 volunteer water monitoring groups from across Connecticut were represented.

• River and Stream Water Monitoring

  DEEP has monitored rivers and streams for water quality since the 1970s. Current annual monitoring efforts include the collection of water chemistry, water temperature, macroinvertebrate community, fish community, periphyton community, and indicator bacteria data from locations throughout the State. This data collected by the Monitoring Program are used to assess the health of individual waterbodies. In addition, the data are used to support a variety of other projects, including evaluation of trends in Connecticut’s water quality in the state, study of the potential impacts of climate change on our waterbodies, and supporting nutrient and temperature criteria development.

• Water Temperature Monitoring Project

  Water temperature is very important to aquatic organisms as it can drive chemical reactions and physiological activity. In addition, water temperature is an important factor in determining which species of aquatic organisms, such as fish, are able to live in a particular section of river or stream. The Water Monitoring Group routinely monitors water temperature at wadeable river and stream locations across Connecticut. Data are collected to complement routine and probabilistic ambient biological monitoring data, to identify high quality watersheds as part of the Group’s Healthy Watersheds Initiative, and to support evaluation of temporal trends, quantification of natural variability, and testing of hypotheses and predictive models related to climate change and water resource management.

• Stream Connectivity Monitoring

• Aquatic Life Impacts of Phosphorus Research

  The CT DEEP Monitoring Group is engaged in several efforts to study the effects of phosphorus in water bodies. This webpage provides information on the monitoring efforts, results and analysis conducted by the Monitoring Program. These efforts include recommendations by the Connecticut Academy of Science and Engineering report ‘Methods to Measure Phosphorus and Make Future Projections’ developed as part of Public Act 12-155, An Act Concerning Phosphorus Reductions in State Waters.

• Riffle Bioassessment by Volunteers (RBV) Program

  The Riffle Bioassessment by Volunteers program (RBV) is a statewide volunteer water quality monitoring program coordinated by the CT DEEP Bureau of Water Protection & Land Reuse. Each fall RBV volunteers participate in a ‘treasure hunt’ to find Connecticut’s healthiest streams. To accomplish this, RBV volunteers are trained to collect ‘macroinvertebrates,’ or ‘river bugs' from their local rivers and streams. Depending on the types of macroinvertebrates that volunteers find in a stream, the CT DEEP can assess it as a healthy stream.