ENVIRONMENTAL UPDATES
TREES, TREES AND MORE TREES
Treating for Emerald Ash Borer Emerald ash borer or EAB is, unfortunately, well established within Chanhassen. If you have chosen to preserve your tree and treat it, you should plan on scheduling follow-up treatments on a bi-annual basis. Ash trees should be treated when the leaves are on the tree. This is because the insecticide is taken up by the vascular system of the tree and is most quickly taken up when leaves are actively transpiring. If you have ash trees, or any trees, that need to be removed, here are some tips to consider when hiring a tree care professional: » Get multiple quotes to make sure you’re getting the best deal. » Make sure the company you hire has proof of insurance. » Beware of deals that sound too good to be true.
Whose tree is this? If you’re not sure where your property lines are, start by visiting the Carver County GIS website ( gis.carvercountymn.gov/ property/?page=Map ) where you can type in your address and pull up an aerial view of your property lines. Oftentimes, this helps determine tree ownership. If you and your neighbor are still unsure and need precise measurements of the property line to determine ownership, you will need to hire a professional surveyor. The city cannot help with determining tree ownership between neighbors.
Saturday, May 2 | Location TBD Join the City of Chanhassen and the Environmental Commission on May 2 for our annual Arbor Day planting event! The city will supply gloves and shovels but you're welcome to bring your own. We will have refreshments and some activities for all ages. ARBOR DAY March 2026 (Check city website for more information) The residential tree sale is an opportunity for Chanhassen residents to purchase trees in a variety of species through the city. RESIDENTIAL TREE SALE STORMWATER POND MANAGEMENT PLAN & ANNUAL MAINTENANCE PROJECT
For more information about stormwater ponds or the annual maintenance program, please contact: Joe Seidl, Water Resources Engineer Email: JSeidl@chanhassenmn.gov | Phone: (952) 227-1168 These surveys included depth measurements and visual inspections to evaluate the condition of each pond. Since then, staff have conducted follow-up inspections to track changes and update maintenance priorities. The information gathered helps the city determine which ponds need maintenance to continue protecting local water resources and downstream water bodies. Each year, the city completes a Stormwater Pond Improvement Project based on these priorities to keep our stormwater system functioning properly.
The City of Chanhassen owns and maintains nearly 300 public stormwater ponds. These ponds play an important role in managing runoff by providing flood control, reducing peak storm water flows and improving water quality. In 2020, city staff completed detailed surveys of almost all publicly owned ponds.
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CITY OF CHANHASSEN | SPRING 2026
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