Water
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Stream Flow Frequently Asked Questions
Frequently Asked Questions Connecticut Stream Flow Standards
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Information on the reporting of water diversions.
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Water Diversion Registrations and Permits
The Registration of water diversions occurred in 1982 and 1983. It was required by the Water Diversion Policy Act, in section 22a-368 of the Connecticut General Statutes.
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Connecticuts rivers and streams
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Stormwater and its effects on water quality.
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Ambient Fish Community Monitoring
Fish are an important component of aquatic life in rivers and streams in Connecticut. The DEEP Water Monitoring group therefore uses fish as one of three biological communities to evaluate the health of waterbodies in Connecticut. (The other two biological communities include benthic macroinvertebrates and diatoms.) Fish have the ability to move within a reach to find better water quality, but they can only do so if there is adequate water present and no barriers to their movement such as dams. Fish are therefore good ‘indicators’ of problems related to water quantity and habitat connectivity. Fish are more sensitive to changes in the amount of water in a stream than other biological communities such as benthic macroinvertebrates, and a fish community with very limited fish can often be a signal of flow-related water quality impairments.
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The CT DEEP Water Monitoring and Assessment Unit conducts weekly bathing water sampling at 22 state-owned and managed swimming areas.
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Connecticut Water Diversion Program Information and Reporting Forms
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Connecticut's Water Resources include ground water, lakes & ponds, coastal/Long Island Sound, rivers & streams and wetlands
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Dams in the Connecticut
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Water Monitoring Data Availability
The DEEP Water Monitoring Group collects a large volume of data, statewide, each year. Data that have gone through the Agency's quality assurance and quality control (QAQC) review process are made publicly available through the following online databases.