I want to tend my wetlands and watercourse responsibly. What should I be doing?

Protecting your wetland and/or watercourse is the first best approach to tending to it responsibly. Keep the use of fertilizers and pesticides to a minimum on the land that drains towards them. Pick up pet waste and discourage geese; both of these are sources of bacteria and nitrogen. Creating or maintaining a good buffer of meadow grasses, shrubs, and the like between your lawn and the resource will help filter out pollutants.


If you wish to manage the vegetation, cutting non-native invasive vines, such as bittersweet, is good for the trees. Selectively removing other non-native invasive plants and replacing or supplementing the wetland and buffer with native plants is also good stewardship. Be certain to check in with the staff before vegetation is removed to be sure you don’t need a permit first. There is an abundance of information online and IWWA staff are also here to help you devise a good management plan.

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1. Contact Us
2. What constitutes a watercourse? If a stream dries up periodically, is it still a regulated watercourse?
3. What is a wetland?
4. How do I know if I have wetlands on my property?
5. Why does Connecticut protect wetlands and watercourses?
6. What role does the Greenwich IWWA play in implementing the statute?
7. I want to tend my wetlands and watercourse responsibly. What should I be doing?
8. I’m in the early planning phase of a project. Can someone at the IWWA give me guidance?
9. Is someone from the town able to come to my property to talk about my wetlands?
10. I want to buy a home which has a “Declaration of Wetlands and Watercourses” filed on the land records. What does that mean?
11. What is a “Regulated Activity”?
12. Why is a there a regulated area “buffer” next to wetlands and watercourses?
13. What can be done with seasonally wet areas on my property?
14. Map of Watersheds