Water
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Connecticut Healthy Waters Initiative
For several decades, the DEEP Monitoring Group has been building multidisciplinary datasets that include water chemistry data, physical habitat assessments, and biological information. The primary purpose for these data is to support water quality assessments. In addition, through multiple partnerships, the Monitoring Group is using these data to improve our understanding of healthy waters in Connecticut
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Understanding Water Quantity in Connecticut is important for assessing, managing and planning to improve the balance of water use for the benefit of people and the environment.
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Inland Wetlands and Watercourses Resources and References
Resources and References for Inland Wetlands & Watercourses
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Proposed Water Quality Standards
Proposed amendments to Connecticut’s Water Quality Standards 2009.
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Triennial Review Process for Water Quality Standards
Explanation of the Triennial Review Process for the Connecticut Water Quality Standards.
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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.
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Water Monitoring Group Reports and Publications
This page provides a list of reports and publications produced by the Water Monitoring Group. The Water Monitoring Program collects and interprets physical, chemical, and biological data from State waters. One of the major functions of this program is to support designated use assessments, as required under the Federal Clean Water Act, and this is communicated through the Integrated Water Quality Report. Another key role is to provide summary information of important program elements for use by DEEP and the public.
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Ambient Benthic Macroinvertebrate Monitoring
The DEEP Water Monitoring Group has used benthic macroinvertebrate communities to help characterize stream and river water quality since the mid-1970s. Benthic macroinvertebrates are animals without backbones, who inhabit the bottom of rivers and streams, as well as many other waterbody types. These organisms are very well studied and have a long history of use as indicators of water quality. Certain types, including mayflies, stoneflies, and caddisflies, can survive only in the cleanest water quality conditions. Other major groups of macroinvertebrates are true flies, beetles, worms, crustaceans, and dragonflies.
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The Connecticut TMDL Program works to develop water quality plans for protection and restoration.