Water
Page 6 of 12
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Stream Flow Background Documents
Connecticut stream flow standards and regulations data links and background documents
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Stormwater and its effects on water quality.
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CT DEEP TMDL Water Quality Action Plans
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Tips for Conserving Water
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Water Quality Reclassification
Information regarding a request to change the surface or ground water quality classification of a property or area
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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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Inland Wetlands and Watercourses Resources and References
Resources and References for Inland Wetlands & Watercourses
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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.
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State Owned Dams and Flood Control Systems
DEEP Engineering Services for State Owned Dams
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Cyanobacteria, also known as blue-green algae, occur naturally in lakes and ponds throughout Connecticut. These microscopic organisms often go unnoticed and cause no harm. However, excessive nutrient pollution and climate change are causing waterbodies to experience more frequent nuisance cyanobacteria blooms that may produce and release toxins. When cyanobacteria blooms release toxins, people and animals using the water body for recreation can have health effects. It is important to note that not all algal blooms are harmful algae blooms (HABs), however it is not possible to determine the level of toxins in the water without a more detailed evaluation. Out of precaution it is best to avoid direct contact with water experiencing a bloom. When in doubt, stay out!
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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.